Beauveria: A mitosporic fungal genus. Teleomorphs are found in the family Clavicipitaceae and include Cordyceps bassiana. The species Beauveria bassiana is a common pathogen of ARTHROPODS and is used in PEST CONTROL.Metarhizium: A mitosporic fungal genus in the family Clavicipitaceae. It has teleomorphs in the family Nectriaceae. Metarhizium anisopliae is used in PESTICIDES.Pest Control, Biological: Use of naturally-occuring or genetically-engineered organisms to reduce or eliminate populations of pests.Hypocreales: An order of fungi in the phylum ASCOMYCOTA that includes a number of species which are parasitic on higher plants, insects, or fungi. Other species are saprotrophic.Cordyceps: A genus of ascomycetous fungi (ASCOMYCOTA), family Clavicipitaceae, order HYPOCREALES, that grows by infecting insect larvae or mature insects with spores that germinate often before the cocoon is formed.Spores, Fungal: Reproductive bodies produced by fungi.Tetrachlorvinphos: An organophosphate cholinesterase inhibitor that is used as an insecticide. It has low mammalian toxicity. (From Merck Index, 11th ed)Mitosporic Fungi: A large and heterogenous group of fungi whose common characteristic is the absence of a sexual state. Many of the pathogenic fungi in humans belong to this group.Rhipicephalus: A genus of TICKS, in the family IXODIDAE, widespread in Africa. Members of the genus include many important vectors of animal and human pathogens.Insects: The class Insecta, in the phylum ARTHROPODA, whose members are characterized by division into three parts: head, thorax, and abdomen. They are the dominant group of animals on earth; several hundred thousand different kinds having been described. Three orders, HEMIPTERA; DIPTERA; and SIPHONAPTERA; are of medical interest in that they cause disease in humans and animals. (From Borror et al., An Introduction to the Study of Insects, 4th ed, p1)Biological Control Agents: Organisms, biological agents, or biologically-derived agents used strategically for their positive or adverse effect on the physiology and/or reproductive health of other organisms.Dichlorvos: An organophosphorus insecticide that inhibits ACETYLCHOLINESTERASE.Mite Infestations: Infestations with arthropods of the subclass ACARI, superorder Acariformes.Depsipeptides: Compounds consisting of chains of AMINO ACIDS alternating with CARBOXYLIC ACIDS via ester and amide linkages. They are commonly cyclized.Paecilomyces: A mitosporic fungal genus occasionally causing human diseases such as pulmonary infections, mycotic keratitis, endocarditis, and opportunistic infections. Its teleomorph is BYSSOCHLAMYS.Wetting Agents: A surfactant that renders a surface wettable by water or enhances the spreading of water over the surface.Caulerpa: A genus of toxic marine GREEN ALGAE found throughout tropical and subtropical seas. One species, Caulerpa taxifolia, is highly invasive and produces the poison caulerpenyne, deadly to marine organisms though not humans.Aphids: A family (Aphididae) of small insects, in the suborder Sternorrhyncha, that suck the juices of plants. Important genera include Schizaphis and Myzus. The latter is known to carry more than 100 virus diseases between plants.Xenopsylla: A genus of fleas in the family Pulicidae which includes the species that serves as the primary vector of BUBONIC PLAGUE, Xenopsylla cheopis.Melia azedarach: A plant species of the genus MELIA, family MELIACEAE, which is toxic to insects. The name is very similar to Melia azadirachta (AZADIRACHTA).Hemiptera: A large order of insects characterized by having the mouth parts adapted to piercing or sucking. It is comprised of four suborders: HETEROPTERA, Auchenorrhyncha, Sternorrhyncha, and Coleorrhyncha.Chrysanthemum cinerariifolium: A plant species of the genus CHRYSANTHEMUM, family ASTERACEAE. The flowers contain PYRETHRINS, cinerolones, and chrysanthemines which are powerful contact insecticides. Most in the old Pyrethrum genus are reclassified to TANACETUM; some to other ASTERACEAE genera.Pyrethrins: The active insecticidal constituent of CHRYSANTHEMUM CINERARIIFOLIUM flowers. Pyrethrin I is the pyretholone ester of chrysanthemummonocarboxylic acid and pyrethrin II is the pyretholone ester of chrysanthemumdicarboxylic acid monomethyl ester.Water Pollution: Contamination of bodies of water (such as LAKES; RIVERS; SEAS; and GROUNDWATER.)Herbicides: Pesticides used to destroy unwanted vegetation, especially various types of weeds, grasses (POACEAE), and woody plants. Some plants develop HERBICIDE RESISTANCE.Pesticides: Chemicals used to destroy pests of any sort. The concept includes fungicides (FUNGICIDES, INDUSTRIAL); INSECTICIDES; RODENTICIDES; etc.BrazilEntomophthorales: An order of fungi comprising mostly insect pathogens, though some infect mammals including humans. Strict host specificity make these fungi a focus of many biological control studies.Phylogeny: The relationships of groups of organisms as reflected by their genetic makeup.Grasshoppers: Plant-eating orthopterans having hindlegs adapted for jumping. There are two main families: Acrididae and Romaleidae. Some of the more common genera are: Melanoplus, the most common grasshopper; Conocephalus, the eastern meadow grasshopper; and Pterophylla, the true katydid.Endophytes: An endosymbiont that is either a bacterium or fungus living part of its life in a plant. Endophytes can benefit host plants by preventing pathogenic organisms from colonizing them.Nymph: The immature stage in the life cycle of those orders of insects characterized by gradual metamorphosis, in which the young resemble the imago in general form of body, including compound eyes and external wings; also the 8-legged stage of mites and ticks that follows the first moult.ArgentinaInsecticides: Pesticides designed to control insects that are harmful to man. The insects may be directly harmful, as those acting as disease vectors, or indirectly harmful, as destroyers of crops, food products, or textile fabrics.Picolines: A group of compounds that are monomethyl derivatives of pyridines. (From Dorland, 28th ed)Hydroxylation: Placing of a hydroxyl group on a compound in a position where one did not exist before. (Stedman, 26th ed)Arthropods: Members of the phylum Arthropoda, composed of organisms having a hard, jointed exoskeleton and paired jointed legs. It includes the class INSECTS and the subclass ARACHNIDA, many species of which are important medically as parasites or as vectors of organisms capable of causing disease in man.Culex: A genus of mosquitoes (CULICIDAE) commonly found in tropical regions. Species of this genus are vectors for ST. LOUIS ENCEPHALITIS as well as many other diseases of man and domestic and wild animals.West Nile virus: A species of FLAVIVIRUS, one of the Japanese encephalitis virus group (ENCEPHALITIS VIRUSES, JAPANESE). It can infect birds and mammals. In humans, it is seen most frequently in Africa, Asia, and Europe presenting as a silent infection or undifferentiated fever (WEST NILE FEVER). The virus appeared in North America for the first time in 1999. It is transmitted mainly by CULEX spp mosquitoes which feed primarily on birds, but it can also be carried by the Asian Tiger mosquito, AEDES albopictus, which feeds mainly on mammals.Insect Vectors: Insects that transmit infective organisms from one host to another or from an inanimate reservoir to an animate host.Aedes: A genus of mosquitoes (CULICIDAE) frequently found in tropical and subtropical regions. YELLOW FEVER and DENGUE are two of the diseases that can be transmitted by species of this genus.West Nile Fever: A mosquito-borne viral illness caused by the WEST NILE VIRUS, a FLAVIVIRUS and endemic to regions of Africa, Asia, and Europe. Common clinical features include HEADACHE; FEVER; maculopapular rash; gastrointestinal symptoms; and lymphadenopathy. MENINGITIS; ENCEPHALITIS; and MYELITIS may also occur. The disease may occasionally be fatal or leave survivors with residual neurologic deficits. (From Joynt, Clinical Neurology, 1996, Ch26, p13; Lancet 1998 Sep 5;352(9130):767-71)Entomology: A discipline or occupation concerned with the study of INSECTS, including the biology and the control of insects.Musa: A plant genus of the family Musaceae, order Zingiberales, subclass Zingiberidae, class Liliopsida.Weevils: BEETLES in the family Curculionidae and the largest family in the order COLEOPTERA. They have a markedly convex shape and many are considered pests.Zingiberales: This plant order includes 8 families, 66 genera, and about 1,800 species. These herbaceous perennials are mainly found in the wet tropics. Members include the banana family (MUSACEAE) and GINGER family (ZINGIBERACEAE).Organothiophosphates: Carbon-containing thiophosphoric acid derivatives. Included under this heading are compounds that have carbon bound to either SULFUR atom, or the OXYGEN atom of the SPO3 core structure.Cucumis melo: A plant species of the family CUCURBITACEAE, order Violales, subclass Dilleniidae known for the melon fruits with reticulated (net) surface including cantaloupes, honeydew, casaba, and Persian melons.Soil: The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants.Fertilizers: Substances or mixtures that are added to the soil to supply nutrients or to make available nutrients already present in the soil, in order to increase plant growth and productivity.Soil Microbiology: The presence of bacteria, viruses, and fungi in the soil. This term is not restricted to pathogenic organisms.Soil Pollutants: Substances which pollute the soil. Use for soil pollutants in general or for which there is no specific heading.Agriculture: The science, art or practice of cultivating soil, producing crops, and raising livestock.Oligochaeta: A class of annelid worms with few setae per segment. It includes the earthworms such as Lumbricus and Eisenia.Manure: Accumulations of solid or liquid animal excreta usually from stables and barnyards with or without litter material. Its chief application is as a fertilizer. (From Webster's 3d ed)

Volatile organic compounds released by the entomopathogenic fungus Beauveria bassiana. (1/123)

The composition of volatile organic compounds (VOC) released by the entomopathogenic fungus Beauveria bassiana (Hyphomycete: Deuteromycotina) utilizing two different carbon sources was investigated. Analyses were performed by solid-phase microextraction (SPME) coupled to capillary gas chromatography (CGC) and CGC-mass spectrometry (MS). Major components in glucose-grown cultures were diisopropyl naphthalenes, ethanol, and sesquiterpenes. Alkane-grown fungal VOC switched to a fingerprint with prevalence of n-decane. This is the first report on the volatiles released by entomopathogenic fungi.  (+info)

A toll receptor and a cytokine, Toll5A and Spz1C, are involved in toll antifungal immune signaling in the mosquito Aedes aegypti. (2/123)

The fungal-specific immune response in the mosquito Aedes aegypti involves the Toll immune pathway transduced through REL1, a homologue of the NF-kappaB transcription factor Drosophila Dorsal. The Toll receptor and its ligand, Spatzle (Spz), link extracellular immune signals to the Toll intracellular transduction pathway. Five homologues to the Drosophila Toll (Toll1) receptor (Toll1A, Toll1B, Toll5A, Toll5B, and Toll4) and three homologues to the Drosophila cytokine Spatzle (Spz1A, 1B, and 1C) were identified from genomic and cDNA sequence data bases. Toll1A, Toll5A, Toll5B, and Spz1A were specifically induced in the mosquito fat body following fungal challenge. This transcriptional up-regulation was mediated by REL1. Spz1C was constitutively expressed in the mosquito fat body, whereas Spz1B and Toll4 were primarily expressed in ovarian tissues of female mosquitoes. The transcripts of Toll1B were only detected in early stages of mosquito embryos. RNA interference knock down of Toll5A and Spz1C resulted in two phenotypes of Aedes Toll/REL1 pathway deficiency: decreased induction of Aedes Serpin-27A following fungal challenge and increased susceptibility to the entomopathogenic fungus Beauveria bassiana. These data suggest that Toll5A and Spz1C function as cytokine receptor systems specific to the Toll receptor-mediated immune response following fungal challenge in the mosquito fat body.  (+info)

Increased insect virulence in Beauveria bassiana strains overexpressing an engineered chitinase. (3/123)

Entomopathogenic fungi are currently being used for the control of several insect pests as alternatives or supplements to chemical insecticides. Improvements in virulence and speed of kill can be achieved by understanding the mechanisms of fungal pathogenesis and genetically modifying targeted genes, thus improving the commercial efficacy of these biocontrol agents. Entomopathogenic fungi, such as Beauveria bassiana, penetrate the insect cuticle utilizing a plethora of hydrolytic enzymes, including chitinases, which are important virulence factors. Two chitinases (Bbchit1 and Bbchit2) have previously been characterized in B. bassiana, neither of which possesses chitin-binding domains. Here we report the construction and characterization of several B. bassiana hybrid chitinases where the chitinase Bbchit1 was fused to chitin-binding domains derived from plant, bacterial, or insect sources. A hybrid chitinase containing the chitin-binding domain (BmChBD) from the silkworm Bombyx mori chitinase fused to Bbchit1 showed the greatest ability to bind to chitin compared to other hybrid chitinases. This hybrid chitinase gene (Bbchit1-BmChBD) was then placed under the control of a fungal constitutive promoter (gpd-Bbchit1-BmChBD) and transformed into B. bassiana. Insect bioassays showed a 23% reduction in time to death in the transformant compared to the wild-type fungus. This transformant also showed greater virulence than another construct (gpd-Bbchit1) with the same constitutive promoter but lacking the chitin-binding domain. We utilized a strategy where genetic components of the host insect can be incorporated into the fungal pathogen in order to increase host cuticle penetration ability.  (+info)

Clues on the role of Beauveria bassiana catalases in alkane degradation events. (4/123)

Entomopathogenic fungi adapt to growth in a culture medium containing an insect-like hydrocarbon as the sole carbon source inducing the beta-oxidation pathway during the alkane degradation. The effect of two carbon sources on the catalase activity was studied in the entomopathogenic fungus Beauveria bassiana. Catalase activity was detected both in the peroxisomal and cytosolic fraction. A significant increment in the specific activity of the peroxisomal fraction (12.6-fold) was observed when glucose was replaced by an insect-like hydrocarbon, whereas the specific activity in the cytosol diminished more than 1.2-fold in the same culture condition. After purification to homogeneity by gel filtration and strong anion exchange chromatography, an apparent molecular mass of 54.7 and 84.0 kDa per subunit were determined respectively for the peroxisomal and cytosolic catalase. The enzymes showed different biochemical and kinetic characteristics, but both were inhibited by 3-amino-1,2,4 triazole. Peroxisomal catalase was sensitive to pH, heat and high concentration of the hydrogen peroxide substrate. Inversely the cytosolic isoform exhibited a broad range of optimal pH (6.0-10.0), high thermostability (<55 C) and remained fully active at least up to 70 mM hydrogen peroxide. Measurement of catalase activity is a new approach for evaluating fungal ability to degrade hydrocarbons.  (+info)

Dual detection of fungal infections in Drosophila via recognition of glucans and sensing of virulence factors. (5/123)

The Drosophila immune system discriminates between various types of infections and activates appropriate signal transduction pathways to combat the invading microorganisms. The Toll pathway is required for the host response against fungal and most Gram-positive bacterial infections. The sensing of Gram-positive bacteria is mediated by the pattern recognition receptors PGRP-SA and GNBP1 that cooperate to detect the presence of infections in the host. Here, we report that GNBP3 is a pattern recognition receptor that is required for the detection of fungal cell wall components. Strikingly, we find that there is a second, parallel pathway acting jointly with GNBP3. The Drosophila Persephone protease activates the Toll pathway when proteolytically matured by the secreted fungal virulence factor PR1. Thus, the detection of fungal infections in Drosophila relies both on the recognition of invariant microbial patterns and on monitoring the effects of virulence factors on the host.  (+info)

Inbreeding and extreme outbreeding cause sex differences in immune defence and life history traits in Epirrita autumnata. (6/123)

Empirical studies in vertebrates support the hypothesis that inbreeding reduces resistance against parasites and pathogens. However, studies in insects have not found any evidence that inbreeding compromises immune defence. Here we tested whether one generation of brother-sister mating or extreme outbreeding (mating between two populations) have an effect on innate immunity and life history traits in the autumnal moth, Epirrita autumnata. We show that the effect of inbreeding on immune response differed between the sexes: whereas in females, inbreeding significantly reduced encapsulation response against nylon monofilament ability, it did not have a significant effect on male immune response. There were also differences in the correlation of the immune response with other traits: in females increased immune response was positively correlated with large size, whereas in males immune response increased with a reduction in development time. Immune response differed significantly among families in males but not in females, both for the inbreeding and extreme outbreeding experiments. In conjunction with the observed immune responses to inbreeding, these data suggest that in males genetic variation for immune response is largely additive or non-directional with respect to dominance, whereas in females variation is much reduced and consists of directional dominance variance. Further, we show that encapsulation response against nylon monofilament is associated with the resistance against real pathogens suggesting that this widely used method to measure the strength of immune defence in insects is also a biologically relevant method.  (+info)

Drosophila eiger mutants are sensitive to extracellular pathogens. (7/123)

We showed previously that eiger, the Drosophila tumor necrosis factor homolog, contributes to the pathology induced by infection with Salmonella typhimurium. We were curious whether eiger is always detrimental in the context of infection or if it plays a role in fighting some types of microbes. We challenged wild-type and eiger mutant flies with a collection of facultative intracellular and extracellular pathogens, including a fungus and Gram-positive and Gram-negative bacteria. The response of eiger mutants divided these microbes into two groups: eiger mutants are immunocompromised with respect to extracellular pathogens but show no change or reduced sensitivity to facultative intracellular pathogens. Hence, eiger helps fight infections but also can cause pathology. We propose that eiger activates the cellular immune response of the fly to aid clearance of extracellular pathogens. Intracellular pathogens, which can already defeat professional phagocytes, are unaffected by eiger.  (+info)

Cultivation-independent analysis of fungal genotypes in soil by using simple sequence repeat markers. (8/123)

Cultivation-independent analyses of fungi are used for community profiling as well as identification of specific strains in environmental samples. The objective of the present study was to adapt genotyping based on simple sequence repeat (SSR) marker detection for use in cultivation-independent monitoring of fungal species or strains in bulk soil DNA. As a model system, a fungal biocontrol agent (BCA) based on Beauveria brongniartii, for which six SSR markers have been developed, was used. Species specificity of SSR detection was verified with 15 fungal species. Real-time PCR was used to adjust for different detection sensitivities of the six SSR markers as well as for different template quantities. The limit for reliable detection per PCR assay was below 2 pg target DNA, corresponding to an estimated 45 genome copies of B. brongniartii. The cultivation-independent approach was compared to cultivation-dependent SSR analysis with soil samples from a B. brongniartii BCA-treated field plot. Results of the cultivation-independent method were consistent with cultivation-dependent genotyping and allowed for unambiguous identification and differentiation of the applied as well as indigenous strains in the samples. Due to the larger quantities of soil used for cultivation-dependent analysis, its sensitivity was higher, but cultivation-independent SSR genotyping was much faster. Therefore, cultivation-independent monitoring of B. brongniartii based on multiple SSR markers represents a rapid and strain-specific approach. This strategy may also be applicable to other fungal species or strains for which SSR markers have been developed.  (+info)

*Scedosporium prolificans

The fungus, which they named Lomentospora prolificans, was thought incorrectly to be related to the genus Beauveria - a group ... "Beauveria". Centraalbureau voor Schimmelcultures. Retrieved 10 October 2013. Sigler, L. "UAMH Culture Collection Catalogue". ...

*Bombyx mori

Beauveria bassiana, a fungus, destroys the entire silkworm body. This fungus usually appears when silkworms are raised under ... the Beauveria bassiana fungal infection mentioned above. It is believed to dispel flatulence, dissolve phlegm, and relieve ...

*Mole cricket

Beauveria, pp. 401-404. In Capinera, J. L. (ed.). Encyclopedia of Entomology. Springer Science and Business Media. ISBN 978-1- ... The fungus Beauveria bassiana can overwhelm adult mole crickets and several other fungal, microsporidian and viral pathogens ...

*Tolypocladium inflatum

"Beauveria nivea (O. Rostr.) Arx (1986)". MycoBank. International Mycological Association. Retrieved 2016-01-03. Dhillion, ...

*Bed bug control techniques

Preliminary research has shown the fungus Beauveria bassiana, which has been used for years as an outdoor organic pesticide, is ... "A preliminary evaluation of the potential of Beauveria bassiana for bed bug control" (PDF). Journal of Invertebrate Pathology ...

*Codling moth

Beauveria bassiana is a parasite to the caterpillar and pupae of the codling moth. The spores of this snowy white fungus are ...

*Plant use of endophytic fungi in defense

doi:10.1111/j.1469-8137.1994.tb03989.x. Akello, J.; Dubois, T.; Coyne, D.; Kyamanywa, S. (2008). "Endophytic Beauveria bassiana ...

*Syspastospora parasitica

It attacks other fungi, particularly species of Beauveria and Isaria (molds that belong to the family Clavicipitaceae). It ... Markova, G. (1991). "Melanospora parasitica attacking Beauveria bassiana on ash weevil Stereonychus fraxini in Bulgaria". ... als Parasit der insektenpathogenen Beauveria tenella (Delacr.) Siem". Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz. ... a mycoparasite of the fungus Beauveria bassiana attacking the Colorado potato beetle Leptinotarsa decemlineata: A tritrophic ...

*Chagas disease

Promising results were gained with the treatment of vector habitats with the fungus Beauveria bassiana.[32] ... "Activity of oil-formulated Beauveria bassiana against Triatoma sordida in peridomestic areas in Central Brazil". Mem Inst ...

*Chagas disease

Promising results were gained with the treatment of vector habitats with the fungus Beauveria bassiana.[32] ... "Activity of oil-formulated Beauveria bassiana against Triatoma sordida in peridomestic areas in Central Brazil". Mem Inst ...

*Biopesticide

Other microbial control agents include products based on: entomopathogenic fungi (e.g. Beauveria bassiana, Isaria fumosorosea, ...

*Bombyx mori

Beauveria bassiana, a fungus, destroys the entire silkworm body. This fungus usually appears when silkworms are raised under ...

*Entomopathogenic fungus

However, some require extremely complex media; others, like Beauveria bassiana and exploitable species in the genus Metarhizium ... The anamorphic Ascomycota (Metarhizium, Beauveria etc.) are reported as causing epizootics less frequently in nature. Also ... In particular, the asexual phases of Ascomycota (Beauveria spp., Isaria spp., Lecanicillium spp., Metarhizium spp., ... phases Beauveria, Isaria (was Paecilomyces), Hirsutella, Metarhizium, Nomuraea and the sexual (teleomorph) state Cordyceps; ...

*Coffee borer beetle

Beauveria bassiana infection causes high mortality of the insect. Other fungi that attack the insect are: Hirsutella ...

*Curculio elephas

... with the entomopathogens fungus Beauveria bassiana (Balsamo) Vuill.(Deuteromycotina, Hyphomycetes). In: II International ...

*Muscardine

One of the best known forms is white muscardine, which is caused by Beauveria bassiana. When suffering from white muscardine, ... Black muscardine is caused by Beauveria brongniartti and Metarhizium anisopliae. Metarhizium species such as M. anisopliae can ... Mahr, S. Know Your Friends: The Entomopathogen Beauveria bassiana. Midwest Biological Control News October, 1997. Volume IV, ...

*Hyphomycetes

Species of Beauveria and Metarhizium show some promise as biological control agents against pest insects. Tolypocladium ... Well-known entomogenous hyphomycetes are classified in Beauveria, Metarhizium and Tolypocladium; famous anamorphic generic ...

*Anomis sabulifera

The spores of Bacillus thuringiensis and Beauveria bassiana are known to effective. Beauveria bassiana should mix with potato ...

*Curculio nucum

The fungus Beauveria bassiana may also be helpful as a control agent. Research in Italy proved that this fungus, if applied ... Using the Entomopathogenic Fungus Beauveria bassiana (Balsamo) Vuill. (Deuteromycotina, Hyphomycetes). VI International ...

*Alphitobius diaperinus

The fungus Beauveria bassiana is an arthropod pathogen that may prove useful. Some protozoa and spider species are known ...

*Condylorrhiza vestigialis

The effect of Beauveria Bassiana on Brazilian Poplar Moth condylorrhiza vestigalis (Lepidoptera: Crambidae). Journal of Plant ...

*Ostrinia furnacalis

It is also susceptible to the entomopathogenic fungi Beauveria bassiana and Nosema furnacalis. Additionally, the Asian corn ...

*Otiorhynchus sulcatus

Adults may also be controlled using the fungus Beauveria bassiana, which is a biocontrol. Lixus concavus, the Rhubarb curculio ...

*Microtermes obesi

Temites can control by using natural predators such as Metarhizium anisopliae, and Beauveria bassiana. "An annotated checklist ...

*Myrmecia (ant)

Other parasites include Beauveria bassiana, Paecilomyces lilacinus, Chalcura affinis, Tricoryna wasps, and various mermithid ...

*Tirathaba rufivena

The pathogens such as Beauveria bassiana, and Metarhizium anisopliae are also used in many regions. Agrophylax basifulva, a ...
The potential of a strain of Beauveria bassiana (Ascomycota: Clavicipitaceae) obtained from a naturally infected Rhynchophorus ferrugineus (Coleoptera: Curculionidae) pupa as a biological control agent against this weevil was evaluated both in the laboratory and in semi-field assays. Laboratory results indicate that this strain of B. bassiana can infect eggs, larvae and adults of R. ferrugineus (LC,sub,50,/sub, from 6.3×10,sup,7,/sup, to 3.0×10,sup,9,/sup, conidia per ml). However, mortality was not the only indicator of treatment efficacy because adults of either sex inoculated with the fungus efficiently transmitted the disease to untreated adults of the opposite sex, with male-to-female and female-to-male rates of transmission of 55% and 60%, respectively. In addition, treatment with B. bassiana significantly reduced fecundity (up to 62.6%) and egg hatching (32.8%) in pairing combinations with fungus-challenged males, females or both sexes. Likewise, 30-35% increase in larval mortality was ...
Aims: The genetic diversity of Beauveria bassiana was investigated by comparing isolates of this species to each other (49 from different geographical regions of Brazil and 4 from USA) and to other Beauveria spp. Methods and Results: The isolates were examined by multilocus enzyme electrophoresis (MLEE), amplified fragment length polymorphism (AFLP), and rDNA sequencing. MLEE and AFLP revealed considerable genetic variability among B. bassiana isolates. Several isolates from South and Southeast Brazil had high similarity coefficients, providing evidence of at least one population with clonal structure. There were clear genomic differences between most Brazilian and USA B. bassiana isolates. A Mantel test using data generated by AFLP provided evidence that greater geographical distances were associated with higher genetic distances. AFLP and rDNA sequencing demonstrated notable genotypic variation between B. bassiana and other Beauveria spp. Conclusion: Geographical distance between populations
ABSTRACTAphids are regarded as one of the most important pest problems of vegetable crops worldwide. Most vegetable growers in sub-Saharan Africa heavily rely on chemical insecticides for control of aphids. However, the synthetic insecticided have detrimental effects on users, consumers and the environment. Fungal-based biopesticides are being considered as alternatives to synthetic chemical insecticides. This study evaluated the virulence of five isolates of Metarhizium anisopliae (Metsch.) Sorok. and three of Beauveria bassiana (Bals.) Vuill. against apterous adults of Brevicoryne brassicae (L.), Lipaphis pseudobrassicae (Davis) and Aphis gossypii (Glover). The thermotolerance and conidial yield of the isolates were also evaluated as a prerequisite for strain selection. Three isolates of M. anisopliae ICIPE 30, ICIPE 62 and ICIPE 69 outperformed the other fungal isolates, causing mortality of 85-98%, 83-97%, and 73-77%, in B. brassicae, L. pseudobrassicae and A. gossypii, respectively, 7 d ...
Investigated the bioconversion of 2-ethylpyridine by the fungus Beauveria bassiana ATCC 7159. In the result of researches was obtained the hydroxylated derivative of the initial substrate. The yield of the product was observed as 60 %.
Heat and cold are environmental abiotic factors that restrict the use of entomopathogenic fungi as agents for biological control of insects. The thermotolerance and cold activity of 60 entomopathogenic fungal isolates, including five species of Beauveria and one isolate of Engyodontium albus (=Beauveria alba) were examined as to tolerance of temperatures that might be encountered during field use. In addition, cold activity of eight Metarhizium spp. isolates was evaluated. The isolates were from various geographic regions, arthropod hosts or substrates. High variability in conidial thermotolerance was found among the Beauveria spp. isolates after exposure to 45 degrees C for 2 h, as evidenced by low (0-20%), medium (20-60%), or high germination (60-80%). The thermal death point (0% germination) for three rather thermotolerant B. bassiana isolates (CG 138, GHA and ARSEF 252) was 46 degrees C for 6 h. At low temperatures (5 degrees C), with few exceptions (e.g. CG 66, UFPE 479, CG 227, CG 02), most of the
In Argentina, where several outbreaks of D. maculipennis wreaked losses on ranches and farms between 2008 and 2011, a research team led by Sebastian Pelizza of CEPAVE (Central de Estudios Parasitologicos y de Vectores, or Center for Parasitological and Vector Studies, part of the National University of La Plate), looked at the possibility of using the soil fungus Beauveria bassiana to combat D. maculipennis swarms and outbreaks. His study was published on line in April in the open-access Journal of Insect Science.. B. bassiana is an endophyte: It takes up residence in a host plant and thrives without harming the plant. It also is known to be parasitic to insects. Its often used for biological control of insect pests of agricultural plants, but Pelizzas study is the first to look at B. bassianas ability to resist D. maculipennis in corn. D. maculipennis is one of 18 species of grasshopper pests found in Argentina but is considered one of the most significant pests, especially in the grassland ...
Beauveria bassiana Bio-Insek is a biological insecticide. Spores of the fungus, when landing on insects, parasitizes the body and if present in the soil, will parasitize
Get rid of foliar and soil-dwelling pests now! BotaniGard Maxx combines Beauveria bassiana with pyrethrins to knockdown and kill target pests including aphids, caterpillars, russet mites, psyllids and other soft-bodied insects. Can be used for knockdown or prolonged control.
یکی از عوامل بیمارگر شپشه دندانه‌دار (Oryzaephilus surinamensis L.) قارچ Beauveria bassiana (Balsamo) می‌باشد.در این تحقیق اثر غلظت‌های زیر کشنده عامل بیمارگر بر باروری، میزان تخم‌گذاری و درصد تفریخ تخم شپشه دندانه‌دار در شرایط تغذیه از سه رقم خرمای سایر، زاهدی و دیری در شرایط آزمایشگاهی بررسی گردید. حشرات کامل با 5 غلظت زیر-کشنده شامل 102،2 10×5، 103، 103×5،104 اسپور در میلی-لیتر تیمار و سپس با شاهد مقایسه شد. غلظت‌های زیر کشنده کاهش دهنده پتانسیل تولید مثل با استفاده از روش لگاریتم- پروبیت در هر رقم مشخص گردید. غلظت‌های مورد آزمایش عامل بیماری دارای اثرات کاهش دهنده در شاخص باروری بود.
Beauveria bassiana is a fungal entomopathogen with the ability to colonize plants endophytically. As an endophyte, B. bassiana may play a role in protecting plants from herbivory and disease. This protocol demonstrates two inoculation methods to establish B. bassiana endophytically in the common bean (Phaseolus vulgaris), in preparation for subsequent evaluations of endophytic biological control. Plants are grown from surface-sterilized seeds for two weeks before receiving a B. bassiana treatment of 108 conidia/ml (or water) applied either as a foliar spray or a soil drench. Two weeks later, the plants are harvested and their leaves, stems and roots are sampled to evaluate endophytic fungal colonization. For this, samples are individually surface sterilized, cut into multiple sections, and incubated in potato dextrose agar media for 20 days. The media is inspected every 2-3 days to observe fungal growth associated with plant sections and record the occurrence of B. bassiana to estimate the ...
Temperature is a critical determinant of the development of malaria parasites in mosquitoes, and hence the geographic distribution of malaria risk, but little is known about the thermal preferences of Anopheles. A number of other insects modify their thermal behaviour in response to infection. These alterations can be beneficial for the insect or for the infectious agent. Given current interest in developing fungal biopesticides for control of mosquitoes, Anopheles stephensi were examined to test whether mosquitoes showed thermally-mediated behaviour in response to infection with fungal entomopathogens and the rodent malaria, Plasmodium yoelii. Over two experiments, groups of An. stephensi were infected with one of three entomopathogenic fungi, and/or P. yoelii. Infected and uninfected mosquitoes were released on to a thermal gradient (14 - 38°C) for snapshot assessments of thermal preference during the first five days post-infection. Mosquito survival was monitored for eight days and, where
Two exotic fungal isolates, one of Beauveria bassiana (268-86) and another of Metarhizium anisopliae (100-82), three local isolates of B. bassiana (isolates I, II, III) and one of the entomogenous bacteria Serratia marcescens, were tested for pathogenicity against the banana weevil Cosmopolites sordidus. All four isolates of B. bassiana and the one of M. anisopliae were found to be pathogenic to third-instar larvae of C. sordidus, causing mortalities of 98-100% by 9 days post-exposure to dry fungal spores. M. anisopliae was the least pathogenic to larvae with LT50 of 4.2 days, compared to 3.5, 3.3, 3.6 and 4.0 respectively for isolates I, II, III and 268-86. B. bassiana was also pathogenic to adult C. sordidus, causing mortalities varying from 63-97% by 35 days post-exposure depending on isolate. As for larvae M. anisopliae exhibited low pathogenicity for the adult C. sordidus. In general, all the fungi tested were less pathogenic to adult weevils (LT50 = 17.5; 12.5; 8.0 and 22.0 days) for ...
sixty two] Boric acid, from time to time utilized as a secure indoor insecticide, is just not effective against mattress bugs because they dont groom.[sixty three][doubtful - focus on] The fungus Beauveria bassiana is currently being researched as of 2012[update] for its capability to control mattress bugs.[sixty four] As bed bugs continue to adapt pesticide resistance, scientists have examined the insects genome to check out how its adaptations establish and to search for potential vulnerabilities which might be exploited in its expansion and enhancement phases.[65 ...
Sean is a PhD student in the Department of Plant Biology. He graduated from Lake Superior State University in 2011 with a Bachelors in Biology, and received a Masters of Environmental Science from Texas A&M University - Corpus Christi in 2014. Sean joined the Department of Plant Biology in the fall of 2014 and is co-advised by Dr. H. Corby Kistler and Dr. Kathryn Bushley. Currently, Sean is investigating the role of cellular membrane-bound transporters in the transport and efflux of the Fusarium graminearum mycotoxin deoxynivalenol, commonly referred to as vomitoxin. His work will also seek to verify recent findings which suggest the widely used bio-control fungus Beauveria bassiana has the potential to produce deoxynivalenol. Sean joined the Mycology Club in 2015 and holds the position of Communications Director.. Email: [email protected] ...
Buy The Ecology of Fungal Entomopathogens (9789400791411) (9789048139651): NHBS - Helen E Roy, Fernando E Vega, Dave Chandler, Mark S Goettel, Judith K Pell, Éric Wajnberg, Springer-Verlag
Rehner, Stephen A. , Marilena Aquino de Muro & Joseph W. Bischoff. Description and phylogenetic placement of Beauveria malawiensis sp. nov. (Clavicipitaceae, Hypocreales). Mycotaxon 98: 137 - 145. 2006.. ABSTRACT: A new entomopathogenic species, Beauveria malawiensis, is described. Beauveria malawiensis was isolated from a cadaver of Phoracantha semipunctata (Coleoptera: Cerambycidae) collected in Zomba, Malawi. Morphologically, B. malawiensis is distinguished by its pink colony color, the terminal and intercalary clusters of inflated conidiophores that each gives rise to multiple rachiform conidiogenous cells, and holoblastic cylindrical conidia. Phylogenetic analysis of nuclear ribosomal internal transcribed spacer and translation elongation factor-1 alpha sequences place B. malawiensis apart from other species in the genus that also produce cylindrical conidia, supporting its proposed species status. KEYWORDS: Cordyceps, fungal entomopathogen, new species, taxonomy. ...
Roy, H.E.; Brodie, E.L.; Chandler, D.; Goettel, M.S.; Pell, J.K.; Wajnberg, E.; Vega, F.E.. 2010 Entomopathogenic fungi and insect behaviour: unsuspecting hosts to targeted vectors. In: Roy, Helen E.; Vega, Fernando E.; Chandler, Dave; Goettel, Mark S.; Pell, Judith K.; Wajnberg, E., (eds.) The ecology of fungal entomopathogens. Dordrecht, Springer, 1-6. Full text not available from this repository ...
Natural control. CLHB larvae are most susceptible to natural enemies in the early larval instar stage, or approximately the first two months of development. In China, predation by the weaver/red ants, Oecophylla smaragdina (Fab.) prevented the need for chemical control (Lieu 1945, Yang 1984). Sanitation. Field sanitation including cutting and burning/chipping of infested plant parts can eliminate immature stages. Mechanical exclusion. Since eggs are laid under the bark at the base of the trunk, wire nettings or spiral guards at the trunk base can serve as physical barrier for female oviposition. Biological control. The pathogenic fungi Beauveria brongniartii (Sacc.) is known to cause high adult mortality. In Japan, studies demonstrated adult mortality of 46 to 100% when sheets of polyurethane forms impregnated with Beauveria brongniartii were wrapped around the lower portion of the trunk or hung from the crotch (CABI 2004). Chemical control. Systemic insecticides are injected into base of a tree ...
Two exotic fungal isolates, one of Beauveria bassiana (268-86) and another of Metarhizium anisopliae (100-82), three local isolates of B. bassiana (isolates I, II, III) and one of the entomogenous bacteria Serratia marcescens, were tested for pathogenicity against the banana weevil Cosmopolites sordidus. All four isolates of B. bassiana and the one of M. anisopliae were found to be pathogenic to third-instar larvae of C. sordidus, causing mortalities of 98-100% by 9 days post-exposure to dry fungal spores. M. anisopliae was the least pathogenic to larvae with LT50 of 4.2 days, compared to 3.5, 3.3, 3.6 and 4.0 respectively for isolates I, II, III and 268-86. B. bassiana was also pathogenic to adult C. sordidus, causing mortalities varying from 63-97% by 35 days post-exposure depending on isolate. As for larvae M. anisopliae exhibited low pathogenicity for the adult C. sordidus. In general, all the fungi tested were less pathogenic to adult weevils (LT50 = 17.5; 12.5; 8.0 and 22.0 days) for ...
From: Department for International Development Document Type: Research Paper Theme: Agriculture Authors: Ellis, R.H. Moore, D. Hong, T.D. Gunn, J. Jenkins, N.E. ...
Data on 6,500 pesticides, insecticides and herbicides including toxicity, water pollution, ecological toxicity, uses and regulatory status.
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Virulence is often under selection during host-parasite coevolution. In order to increase fitness, parasites are predicted to circumvent and overcome host immunity. A particular challenge for pathogens are external immune systems, chemical defence systems comprised of potent antimicrobial compounds released by prospective hosts into the environment. We carried out an evolution experiment, allowing for coevolution to occur, with the entomopathogenic fungus, Beauveria bassiana, and the red flour beetle, Tribolium castaneum, which has a well-documented external immune system with strong inhibitory effects against B. bassiana. After just seven transfers of experimental evolution we saw a significant increase in parasite induced host mortality, a proxy for virulence, in all B. bassiana lines. This apparent virulence increase was mainly the result of the B. bassiana lines evolving resistance to the beetles external immune defences, not due to increased production of toxins or other harmful ...
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Krs is a class II lysyl-tRNA synthetase (KRS) that is involved in cytosolic protein synthesis in budding yeast but functionally has not been explored in filamentous fungi. Previous transcriptomic analysis has revealed that a Krs-coding gene is likely involved in pathogenesis of Beauveria bassiana, a classic insect pathogen as a global source of fungal insecticides. Here, we show that Krs is localized in the cytoplasm of hyphal cells and acts as a substantial virulence factor in B. bassiana. Deletion of krs resulted in 10-h delayed germination, decreased (15 %) thermotolerance, and lowered (46 %) UV-B resistance of aerial conidia despite limited impact on conidiation capacity and slight or inconspicuous influence on radial growth on rich and minimal media with different carbon (10 sugars/polyols) and nitrogen (17 amino acids) sources ...
Este trabalho teve o objetivo de avaliar, em condições de laboratório, a influência da temperatura e do tempo de exposição na viabilidade e virulência dos fungos Beauveria bassiana e Metarhizium anisopliae...
Citation: Meikle, W.G., Bon, M., Cook, S.C., Gracia, C.G., Jaronski, S. 2013. Two strains of Pseudomonas fluorscens bacteria differentially affect survivorship of waxworm (Galleria mellonella) larvae exposed to an arthropod fungal pathogen, Beauveria bassiana. Biocontrol Science and Technology. 23(2): 220-233. Interpretive Summary: In a field experiment by the same senior author (Meikle), biopesticide (which is like a pesticide but instead of chemicals it uses live fungal spores to attack pests) that had been commercially produced had very little effect on the bee mites (Varroa) that the product was trying to treat, and a negative effect on the nontarget insects, the bees themselves. This result was very different from previous field trials. The biopesticide was found to be contaminated by two strains of a bacteria that are often found in spoiled food and unclean water. The question was whether the bacteria may have interfered with the fungal spores and their ability to kill the mites. The ...
Ormond, E.L., Thomas, A.P., Pugh, P.J., Pell, J.K. and Roy, H.E. (2010) A Fungal Pathogen in Time and Space The Population Dynamics of Beauveria bassiana in a Conifer Forest. FEMS Microbiology Ecology, 74, 146-154.
Catching Endophytic Fungi. Comparison of Histochemical and Immunological Methods Beauveria bassiana on a Brassica napus leaf: Immunofluorescence labelling with rabbit primary polyclonal and FITC
The OBS was baited with a synthetic mosquito lure, a blend consisting of carboxylic acids, ammonia and carbon dioxide. This lure was recently developed at Ifakara Health Institute [6, 8]. To reduce costs and ensure ease of handling, one constituent of the synthetic lure, industrial CO2 gas was replaced with organic CO2, made from a cocktail of bakers yeast and sugar [9, 10]. The mixture was prepared at least one hour before commencing the experiment to ensure that the yeast-sugar digestion process was already ongoing when the experiment started. The CO2 apparatus consisted of two separate plastic pots each having 500 grams of sugar and 3 litres water. Each pot contained a different amount of bakers yeast i.e. 80 g and 150 g of respectively. The yeast-sugar suspension inside both pots was adequately stirred before the pots were placed inside the OBS. This two-pot system, initially described by Saito et al [9] ensures a continuous supply of sufficient CO2 gas throughout the night. For the ...
Rehner, S.A., Minnis, A.M., Sung, G.H., Luangsa-ard, J.J., Devotto, L. and Humber, R.A. (2011) Phylogeny and Systematics of the Anamorphic, Entomopathogenic Genus Beauveria. Mycologia, 103, 1055-1073.
Two compounds made from a fungus could help researchers develop new drugs for treating atherosclerosis. When researchers tested them in mice, they appeared to prevent the accumulation of lipids in the cells where hardening of the arteries starts. (In the beginning stages of atherosclerosis, cells called macrophages store cholesterol and fatty acids.) In the study, Japanese researchers isolated the compounds from Beauveria fungus and called them beauveriolides.They tested the compounds macrophage cells and learned that the compounds prevent the formation of droplets and the activity of an enzyme called acyl-CoA: cholesterol acyltransferase. Thus they prevent the string of events that eventually lead to hardening the arteries. In mice bred to develop atherosclerosis, these compounds lowered atherosclerotic lesion formation by about 50% in treated animals, compared with controls. Also, no side effects such as damage to adrenal tissue were noted. The researchers reported their findings in the ...
Sigma-Aldrich offers abstracts and full-text articles by [Diana C Garcia-Ramon, Maria Jose Luque-Navas, C Alfonso Molina, Coral Del Val, Antonio Osuna, Susana Vilchez].
... : Living organisms which are neither animals nor plants; the singular is virus. There are large numbers of species. Some viruses are entomopathogens.. ...
Managing Western Flower Thrips (Thysanoptera: Thripidae) on Lettuce and Green Peach Aphid and Cabbage Aphid (Hemiptera: Aphididae) on Broccoli with Chemical Insecticides and the Entomopathogenic Fungus Beauveria bassiana (Hypocreales: Clavicipitaceae)
Managing Western Flower Thrips (Thysanoptera: Thripidae) on Lettuce and Green Peach Aphid and Cabbage Aphid (Hemiptera: Aphididae) on Broccoli with Chemical Insecticides and the Entomopathogenic Fungus Beauveria bassiana (Hypocreales: Clavicipitaceae).
The effect of endophytic Beauveria bassiana in banana (Musa spp.) plants against the banana weevil Cosmopolites sordidus was examined in a screenhouse study in Uganda. Tissue-cultured banana plants (cv. Kibuzi, genome group EA-AAA) were inoculated by dipping roots in a B. bassiana suspension of 1.5 x 107 conidia/ml for 2 h. C. sordidus larvae were introduced 2 months later. Two weeks after larval infestation, endophytic B. bassiana significantly reduced larval survivorship (23.5[long dash]88.9% mycosis), resulting in 42.0[long dash]86.7% reduction of plant damage. This study has demonstrated for the first time that endophytic B. bassiana can be used to target the cryptic and damaging stage of C. sordidus, and offers an alternative, effective delivery mechanism for this biological control agent.. ...
The capability of Beauveria bassiana fungus to kill mosquito larvae was challenged with Aedes aegypti and Culex pipiens quinquefasciatus in a study conducted at the entomology laboratory of the Hea...
Coptotermes formosanus Shiraki is the most invasive termite species and has the largest economic impact of all the subterranean termites in the US. Although a lot of work has been done on the determination of chemical composition of frontal gland secretion from different families of termites, the protein component of those secretions was relatively overlooked. This study started with the observation that proteins are present in the frontal gland secretion of Coptotermes formosanus Shiraki soldiers. The goal was to characterize one of these proteins by identifying its DNA sequence which would lead to protein sequence, function, structure and role it plays in the defense of Coptotermes formosanus Shiraki. The protein cloned named TFP4 and analysis of its sequence revealed a molecular weight of 6853 Daltons. The sequence was compared with those of known proteins in NCBIs data base and similarities with other proteins analyzed. Two functions were assigned to TFP4, lysozyme and serine protease inhibitor.
Brad Coates, Department of Entomology, Iowa State University. MS dissertation seminar Genetic Variation among Isolates of the Entomopathogenic Fungus, Beauveria bassiana (Bals.) Vuill. (Ascomycota:Hypocreales): Use of rRNA Internal Transcribed Spacers and Group I Introns for the Identification of Strains ...
Biopesticides are the fastest-growing crop protection market sector increasing at twice the compound annual growth rate of the crop protection market as a whole. In 2013, biopesticides represented 3% of the global crop protection market and are expected to grow to nearly 5% by 2015. Microbial biopesticides represent the largest product type in the biopesticide market, occupying close to 70% of the total market. Bioinsecticides are the largest use segment, occupying 50% of the total market. Several factors have prompted the biopesticide market expansion, but the needs of growers and manufacturers have been the primary driving forces of growth. These needs include a reduction in chemical and pesticide residues, stricter import and supermarket standards, a shorter pre-harvest interval, a push for sustainability, and additional modes of action for managing resistance. Browse the slideshow below for a visual presentation of more impressive biopesticide stats. ...
The lethal qualities that made Bassis fungus the bane of silk producers have proven a boon for agriculture and public health. Named Beauveria bassiana after its discoverer, it is a potent biological control agent against a host of harmful insects, including grasshoppers, locusts, bed bugs, and house flies. When the fungus contacts its host, spores germinate, enter the body, and grow internally, killing the insect within a few days. New spores arise from a white mold that covers the dead insect like the wrappings of a mummy, contributing to the infections name of white muscardine disease.. Given the virulence of this fungus, pest control managers have considered whether it might also be effective against one of the most damaging cattle pests, the horn fly (Haematobia irritans), but research recently published in the open-access Journal of Insect Science suggests that, while it "holds promise," lots of work remains to be done. The fungus samples tested in the research had stopping power but did ...
The team used Formica fusca, an ant species that can form thousand-strong colonies. This common black ant eats other insects, and also aphid honeydew. It often nests in tree stumps or under rocks and foraging workers can sometimes be spotted climbing trees.. Some ants were infected with Beauveria bassiana, a fungus. Infected ants chose food laced with toxic hydrogen peroxide, whereas healthy ants avoided it. Hydrogen peroxide reduced infected ant fatalities by 15%, and the ants varied their intake depending upon how high the peroxide concentration was.. In the wild, Formica fusca can encounter similar chemicals in aphids and dead ants. The Independent reported self-medicating ants a first among insects.. Bos obtained his doctorate from the University of Copenhagen. He began postdoctoral research at Helsinki in 2012. He also runs the AntyScience blog. The blog aims to help address "a gap between scientists and the general public." The name is a pun referencing ants, its primary topic, science, ...
Click here for basidiomycetes fungi pictures! You can also find pictures of aureobasidium fungi, beauveria fungi, benzoinum fungi.
Biopesticides centered on micro-organisms being always get a handle on plant conditions, nematodes, insects, and weeds. Bacteria can be found in all soils consequently they are probably the most abundant...
Biopesticides generally pose fewer risks than their chemical counterparts , making them a viable alternative for conventional and organic programs.
Biopesticides Market Was Valued At US$ 3.47 Bn In 2016, And Is Expected To Reach US$ 12.23 Bn By 2025, Expanding At A CAGR Of 14.8% From 2017 To 2025
PDF. Laboratory evaluation on the potential of entomopathogenic fungi, Nomuraea rileyi against tobacco caterpillar, Spodoptera litura Fabricius (Noctuidae: Lepidoptera) and its safety to Trichogramma sp. - S. P. Shanthakumar, P. D. Murali, S. Malarvannan, V. R. Prabavathy and Sudha Nair ...
Biological control, Ecology, Entomopathogens, Acarology, Medical entomology, Malaria, Vector-borne diseases, Virus-host interactions, Insect ...
EPA acknowledges that lethal activity of bacteria grown in sludge biosolids is twice that of bacteria grown with commercial medium for food.
Includes cutting-edge methods and protocols Provides step-by-step detail essential for reproducible results Contains key notes and implementation advice
Tents are one of the most basic pieces of equipment that anyone who loves the outdoors should have on hand at all times. If you dont have one or are in the market for a new one, read on for some reviews of different kinds of tents that are available.
Chitinase is an enzyme having the ability to degrade chitin to a low molecular weight chitooligomers which have a wide range of applications. In the present study, chitinase was produced from the entomopathogenic fungi such as Pochonia chlamydosporia, Beauveria bassiana, Metarhizium anisopliae and Trichoderma harzianum using chitin as a carbon source. The enzyme was partially purified by ammonium sulphate precipitation and the activity was detected using colorimetric method. The enzyme showed the maximum activity in Trichoderma harzianum among the four fungal species at 40°C and pH 6.5. This enzyme could be used directly to control of pathogenic fungi and various pests in the egg stage itself. ...
The purpose of this project was to evaluate dif1ubenzuron ovicidal effects on adult female alfalfa weevils Hypera postica in the laboratory. There was little relationship of weevil mortality to dosage or length of exposure of the adult to the chemical. An indirect result of dif1ubenzuron was an increase in muscardine fungus (Beauveria Sp.). Other effects of the chemical on the adults were yellow deposits and tissue extending from the tip of the abdomen. The main effect of di1fubenzuron when fed to female alfalfa weevils was on the eggs. The effects were dosage related, especially on eggs viability. The viability was dropped from 99% in the control to 38.9% on the treated insects in ten days using the highest dosage. Another effect of diflubenzuron on alfalfa weevil eggs was on the shape of the eggs. The treated insects laid longer and lighter color eggs.
In this study, cost simulation was made to produce Bacillus thuriengiensis based biopesticide formulation using starch industry wastewater (SIW) as substrate. The results obtained at pilot plant (2000L capacity fermenter) were used for cost simulation of the process. The unit production cost for annual production of 5 million L of formulated biopesticide (20.2 Billion International Units (BIU)/L) was estimated to be $ 2.54/L, which is competitive to chemical pesticides. The techno-economic evaluation revealed that the profitability of the biopesticide manufacturing process was sensitive to the plant capacity and selling price of the biopesticide. The manufacturer should target 5 million L annual plant capacity and selling price of $ 15/L for payback period to be less than 5 years. The process serves many advantages (1) alternate disposal or bio-valorisation of industry wastewater and (2) use of industry wastewater as inexpensive carbon source reducing cost of raw materials for ...
In this study, we investigated whether a synthetic ligand of cell-surface nucleolin known as N6L could exert antitumor activity. Two brands of monitor, CoaguChek Mini and the TAS PT-NC were tested. Therefore, we compared behavioral changes in the subterranean termite viagra without doctor prescription Coptotermes formosanus following contact with entomopathogenic fungi with different levels of virulence. Effects of 25 pharmaceutical compounds to Lemna gibba using a seven-day static-renewal test.. The exposed collagen of the meniscal tear provides an ideal surface for a relatively tenacious clot attachment. Integrin signaling plays a critical role in many aspects of normal growth, differentiation, and injury response. MEK-ERK1/2-dependent FLNA overexpression promotes viagra without doctor prescription abnormal dendritic patterning in tuberous sclerosis independent of mTOR. Peak mass lists were examined using the Mass-Up software for the detection of potential biomarkers, similarity and cluster ...
A regioselective synthesis of N-carbomethoxy-2,3,5-tribromoindole (6) via a sequential one-pot bromination?aromatization?bromination of N-carbomethoxyindoline (2) is described. The process for the transformation of 2 into 6 permitted the isolation of stable reaction intermediates N-carbomethoxy-5-bromoindoline (3), N-carbomethoxy-5-bromoindole (4), and N-carbomethoxy-3,5-dibromoindole (5). Compound 6 was used to complete the total synthesis of the natural products 1b and 1c. In addition, bromination of N-carbomethoxyindole (11) afforded N-carbomethoxy-2,3,6-tribromoindole (13), from which the natural product 1a was synthesized. ...
Applications of Metarhizium brunneum Petch (Ascomycota: Hypocreales: Clavicipitaceae) isolate LRC112 conidia caused high mortality to Agriotes obscurus L. (Coleoptera: Elateridae) click beetles in field trials. Banded conidiated rice (4.4 × 1014 conidia ha−1) and conidia dust (5.0 × 1013 conidia ha−1) resulted in 93.3 % ± 7.3 and 91.3 % ± 3.0 mortality after 18 days, while aqueous conidia suspension spray (5.0 × 1013 conidia ha−1) with and without 80 g ha−1 spinosad resulted in 68.2 % ± 17.7 and 52.6 % ± 17.4 mortality. Differences in results between 2012 and 2013 were attributed to rainfall, with pronounced effects in 2012 (rain beginning 35 h post treatment) and minimal effects in 2013 (rain beginning at 4 h). In another field experiment, beetles dosed with 1.49 × 107 ± 5.08 × 106 conidia per beetle retained 4.6 % of conidia after seven days while conidia viability on beetle bodies remained unchanged. The results inferred opportunities for controlling click beetles using ...
beauvericin D: 18-membered cyclodepsipeptide; potentiates miconazole activity; isolated from Beauveria; structure in first source
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Coloured scanning electron micrograph (SEM) of Formosan (subterranean) soldier termite (Coptotermes formosanus). The Formosan subterranean termite (Coptotermes formosanus) is a subterranean termite in the family Rhinotermitidae. It is an invasive species of termite and has been distributed worldwide from its native range in southern China to Japan. The Formosan subterranean termite (FST) is know as the super-termite because of its destructive habits. It produces large sized colonies, and the termites can consume wood at a very rapid rate. A single colony may contain several million individuals that forage up to 300 yards in soil. Due to its population size and foraging range the presence of a colony poses serious threats to nearby structures. Magnification: x5. 5 when shortest axis printed at 25 millimetres. - Stock Image C032/3876
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Although the vast majority of biological control agents is generally regarded as safe for humans and environment, the increased exposure of agriculture workers, and consumer population to fungal substances may affect the immune system. Those compounds may be associated with both intense stimulation, resulting in IgE-mediated allergy and immune downmodulation induced by molecules such as cyclosporin A and mycotoxins. This review discusses the potential effects of biocontrol fungal components on human immune responses, possibly associated to infectious, inflammatory diseases and defective defenses.
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If you associate biopesticides with organic farming, it might surprise you to find out that more are used in conventional fields than in organic fields. They are a great fit in many pest-management programs.
... is a genus of ascomycete fungi (sac fungi) that includes about 400 species. Most Cordyceps species are endoparasitoids , parasitic mainly on insects and other arthropods (they are thus entomopathogenic fungi ); a few are parasitic on other fungi. The generic name Cordyceps is derived from the Greek word κορδύλη kordýlē, meaning
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Isolation and characterization of plant secondary metabolites and marker compounds to understand the plant -insect interaction, chemical defense and other biological activities for development of kairomones, biopesticides, and herbal products, and synthesis of cellulosics. ...
A new research programme has been launched to develop the next generation of biopesticides to meet global demand for chemical residue-free produce and sustainable production systems. ​The research will be undertaken by a multi-disciplinary team of researchers from AgResearch, Lincoln University and Plant & Food Research, working together in the Bio-Protection Research Centre, based at […]. ...
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Infections and mortalities induced by Metarhizium anisopliae in various developmental stages of the red-legged tick Rhipicephalus evertsi evertsi using 2 ...
We have studied the regulation of the extracellular chymoelastase protease (Pr1) of Metarhizium anisopliae, an enzyme involved in the penetration of insect cuticle by Metarhizium and other entomopathogenic fungi. We report here the isolation and characterization of a Pr1 cDNA clone with a full length insert. Pr1 is synthesized as a large precursor (40.3 kDa) containing a signal peptide and a propeptide and the mature protein is predicted to have a relative molecular mass of 28.6 kDa. The primary structure of Pr1 shares extensive homology (30-60%) with enzymes of the subtilisin subclass of the serine endopeptidases and the serine, histidine and aspartyl components of the active site in subtilisins are preserved. The genes coding for chymoelastase or slightly altered versions thereof, can be used to transform various organisms (i.e. fungi, viruses, plants, bacteria, etc.) such that the transformed organisms are capable of producing chymoelastase in recoverable quantities. Fragments and derviatives ...
There are various methods to manage root weevils by using biological control. Check the beneficial nematode link for more information on the use of entomopathogenic nematodes for various soil pests including root weevils. One of the biological control methods is the use of the entomopathogenic fungus, Metarhizium anisopliae. This fungus is available as a commercial product for use in nurseries, Met 52 (Novozymes Biologicals). There are several important factors to of relevance regarding this fungal product.. Link to Met 52 label. This product has a Caution label based on an oral and dermal LD50 ,5000 mg/kg. The re-entry interval (REI) is 4 hours for this product. According to the label, there is no REI for uses that are incorporated. The product is composed of the fungal spores on a grain matrix. Once the product is incorporated into the growing medium, insects may come into contact with infective spores, which adhere to surface of insect, germinate, and cause an infection of the insect and ...
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Our survival experiment indicated differences in killing M. pallidipennis, with M. anisopliae with a higher virulence than I. fumosorosea. As a matter of fact, the former fungus killed all animals at day 8 while the latter took longer than 30 days. These differences in the action of both fungi are likely due to a stronger effect of M. anisopliae when compared to I. fumosorosea. For example, M. anisopliae produces immunosuppressor toxins like destruxin [48] that may lead to damage hemocytes [49] and cause insect paralysis (via an increased calcium level in Malpighian tubules) [50]. These effects take place possibly due to the ability of M. anisopliae to produce a collagenous coat of hyphal bodies that mask the recognition of β-1,3-glucans by the insect immune system [51]. In contrast, little is known in regards to the effect of I. fumosorosea. It is clear that this fungus takes longer to sporulate than M. anisopliae, possibly due to a more paused beauvericine production [52] and hyphal growth ...
Holden will also share research he has done on some commercial biopesticides, such as MeloCon WG Biological Nematicide from Certis, which has a pretty broad registration across multiple crops. MeloCon WG contains a naturally occurring fungus, Paecilomyces lilacinus, that is a highly effective parasite of all stages of development of common plant-infecting nematodes, especially the eggs and infectious juveniles. "Most of my research on this product has been in citrus, and I researched it for four years prior to its commercial release," he says. "We saw bigger increases in trees, and definitely increased production in terms of fruit size development. The nematodes had been sucking the strength out of the trees." Another product he will discuss is TerraClean 5.0 from Biosafe Systems. Holden used it on a big problem for California strawberry growers, Macrophomina phaseolina, or Charcoal Rot, that has become devastating since the loss of methyl bromide. TerraClean 5.0, which has organic registration, ...
Several natural products derived from entomopathogenic fungi have been shown to initiate neuronal differentiation in the rat pheochromocytoma PC12 cell line. After the successful completion of the total synthesis program, the reduction of structural complexity while retaining biological activity was targeted. In this study, farinosone C served as a lead structure and inspired the preparation of small molecules with reduced complexity, of which several were able to induce neurite outgrowth. This allowed for the elaboration of a detailed structure-activity relationship. Investigations on the mode of action utilizing a computational similarity ensemble approach suggested the involvement of the endocannabinoid system as potential target for our analogs and also led to the discovery of four potent new endocannabinoid transport inhibitors. Burch, Patrick; Chicca, Andrea; Gertsch, Juerg; Gademann, Karl
Tinzaara, W.; Gold, C.S.; Dicke, M.; Van Huis A.; Ragama, P.E. Factors influencing pheromone trap effectiveness in attracting the banana weevil,Cosmopolites sordidus. International Journal of Pest Management (2005) 51 (4) 281-288. [DOI: 10.1080/09670870500337759]. ...
Bryocentria is a genus of fungi in the family Bionectriaceae. The genus was described in 2004 by mycologist Peter Döbbeler. Species in the genus have small orange fruit bodies and excipular cells with pitted walls. They have numerous asci containing two-celled ascospores. Species grow parasitically on bryophytes. The genus originally contained three species: B. cyanodesma, B. metzgeriae, and the type species B. brongniartii;[1] an additional four species were described in 2010.[2]. ...
Bos Indicus, Brachiaria, Cattle, Environments, Fungus, Grass, Immersion, Knowledge, Laboratory, Larvae, Metarhizium, Metarhizium Anisopliae, Rain, Rhipicephalus, Soil, Stem, Strains, Sun, Suspensions, Tick
Many commensal microorganisms (microorganisms that live on or in other organisms causing no direct benefit or harm) that occur on plant roots and leaves can passively protect plants against microbial pests by competitive exclusion (that is, simply crowding them out). Bacillus cereus has been used as an inoculumon soybean seeds to prevent infection by fungal pathogens in the genus Cercospora ...
Books and CD-Roms from Throughout the world, we provide scientific and professional communities with superior specialist information - produced by authors and colleagues across cultures in a nurtured col
Time proven and tough, this oil-based formulation represent the ultimate in durability. Easy to apply with a standard or gravity feed applicator Marathane 350 levels to a consistent smooth shine and enhances the natural beauty of the wood. Marathane 350 is 350 VOC compliant.. ...
The teaching and learning methods will include: Lectures: overview of strategies, organisms involved, history of biocontrol, methodologies. Theoretical exercises involving: discussion of orginal scientific literature with emphasis on conceptual elements, biology of involved organisms and case studies of practical application. Practicals: limited experimental work in teams, by selecting from a set of options. The experiments should be performed by setting up hypothesis for discussion. The options include for example: Interaction between predator and prey, natural occurence of insect pathogenic fungi and nematodes, bio-assays using microorganisms, characterization of biocontrol organisms, bioimaging of infection processes. Colloquia: The participants decide with the main teacher about content and form of colloquia. Supervision: each team in the laboratory will be supervised concerning methodology, data collection and treatment and discussion. Preparation: for theoretical excercises, colloquia and ...
Significant progress in the application of viral vectors for gene delivery into mammalian cells and the use of viruses as biopesticides requires downstream processing that can satisfy application-specific demands on ...
Metarhizium anisopliae is a fungus that grows naturally in soils throughout the world and causes disease in various insects by acting as a parasite. It is considered to be a soil-borne insect pathogen.. Todds current research is focusing on the effect of Metarhizium anisopliae seed treatment to increase the yield of field corn. Research to date has shown consistent increases in yield as high as 20%. For example, without Metarhizium seed treatment, there was a 60% yield on a field infected with wireworm; with Metarhizium seed treatment, there was a 80% yield. The Metarhizium seed treatment performed as well as Poncho - a currently used chemical seed treatment.. The reason for this increase in yield is likely due to the Metarhizium fungus acting as a repellant to wireworms, although this is still under investigation. The next step in this research is to carry out experiments in the lab to determine if the Metarhizium fungus was actually acting as a wireworm repellant. If not, then other factors ...
An Assignment of Agri Input Marketing Submitted to: Dr. P. Venugopal XLRI, Jamshedpur Submitted by: Amit Bishnoi(107) Kamlesh Yadav(127) Nirupama Lakra(136) Rahul Kumar(148) Shalini Mishra(155) Varun Chaudhary(164) Control of white fly on cotton by neem products. viruses.in/taxproj. and tomato by Bacillus thuringiensis. Most of the biopesticides find use in public health.Biopesticides Biopesticides are naturally occurring substances that control pests (biochemical pesticides). i) transgenic plants and ii) beneficial organisms called bio-agents: are used for pest management in India.org. pigeon-pea. Some success stories about successful utilization of biopesticides and bio-control agents in Indian agriculture include (Kalra & Khanuja. 2007): · · · · · · · Control of diamondback moths by Bacillus thuringiensis. and pesticidal substances produced by plants containing added genetic material (plant-incorporated protectants) also know as PIPs Biopesticides.V. 1968 (www.P. Neem based pesticides. ...
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Transgenerational immune priming occurs when an adult is exposed to a parasite or other pathogen and then transmits information to its offspring through protective phenotypes to cope with the same pathogen (Moret, 2006). There has been evidence for transgenerational immune priming in various invertebrates (Tidbury et al. 2011). Here we tested for the presence of transgenerational immune priming in the Biomphalaria glabrata snails when challenged by exposure to the Schistosoma mansoni parasite. The experimental parent generation was challenged with a parasitic environment, while the control parent generation was not. The results were then determined based on the resistance or susceptibility of the F1 offspring generation. We found that parental challenge did not enhance offspring immunity through transgenerational immune priming ...
Hydrophobins are small, cysteine-rich, secreted proteins, ubiquitously produced by filamentous fungi, and that are speculated to function in fungal growth, cell surface properties, and development, although this has been rigorously tested for only a few species. We identified three hydrophobin genes from the entomopathogenic fungus, Metarhizium brunneum and provided functional characterization of strains lacking these genes. One gene (HYD1/ssgA) encodes a Class I hydrophobin identified previously. Two new genes, HYD3 and HYD2, encode a Class-I and Class-II hydrophobin, respectively. To examine function, we deleted all three, separately, from the M. brunneum strain KTU-60 genome using Agrobacterium tumefaciens-mediated transformation. Deletion strains were screened for alterations in developmental phenotypes including growth, sporulation, pigmentation, colony surface properties, and virulence to insects. All deletion strains were reduced in their ability to sporulate and showed alterations in ...
The present study was conducted to investigate the pathogenicity of entomophathogenic fungi and bacteria against aphid and jassid at Youngwala, Entomological Research Area, University of Agriculture Faisalabad, Pakistan.
PCR-based subtractive hybridization was used to isolate genes preferentially expressed in a termite (Mastotermes darwiniensis) following exposure to an entomopathogenic fungus. The subtraction procedure yielded a cDNA clone encoding a putative transferrin that, when sequenced to its ends, is the largest (728 amino acids) for any insect transferrin characterized to date. Cysteines and residues comprising putative iron-binding sites are conserved in both N- and C-terminal lobes, suggesting structural and functional similarity to diferric vertebrate transferrins. A quantitative PCR assay confirmed a significant increase in transferrin expression following infection, suggesting its up-regulation is part of the innate immune response. However, codon-based tests for selection among known insect transferrins revealed only a small proportion of codon-sites positively selected. Thus, unlike certain vertebrate transferrin lineages, no widespread evidence for pathogen-mediated positive selection was ...
Termites (order Isoptera) comprise over 2,700 species and are of global importance as decomposers of lignocellulose material (Kambhampati and Eggleton, 2000; König et al ., 2006) . Over 80% of the approximately 183 economically important termite species are subterranean termites, with the genus Coptotermes accounting for the largest number (28) of pest species (Su and Scheffrahn, 1998). In the United States, the need for control of the native Eastern subterranean termite (Reticulitermes flavipes) and the invasive Formosan subterranean termite (Coptotermes formosanus) supports a multimillion-dollar pest control industry (Su and Scheffrahn, 1998) The cost of control and repairs due to subterranean termite damage is estimated at over $2 billion per year in the United States alone (Culliney and Grace, 2000) .. Subterranean termites rely on beneficial symbioses with a diverse microbial flora in their guts to aid in digestion of lignocellulosic compounds in wood, which are their sole source of ...
The report firstly introduced the Biopesticide basics: definitions, classifications, applications and industry chain overview; industry policies and plans; product specifications; manufacturing processes; cost structures and so on. Then it analyzed the worlds main region market conditions, including the product price, profit, capacity, production, capacity utilization, supply, demand and industry growth rate etc. In the end, the report introduced new project SWOT analysis, investment feasibility analysis, and investment return analysis ...
The Asian and Australasian market for microbial- and nematode-based pesticides is estimated to be worth approximately $132.5 million per annum at user-level
This book provides a review of biocontrol agents. Chapter One discusses the biological control of bacterial pathogens in horticultural systems. Chapter Two focuses on the modes of action and applicability of the most used biological fungicides in vegetables and field crops. Chapter Three studies the biological control of fungal diseases of edible mushrooms. Chapter Four identifies different classes of biopesticides and more particularly, examines plant-based products/chemicals, discussing their integration in pest/vectors management programs. Chapter Five reviews the potential of phytoinsecticides, their action mechanisms, and their relative importance to integrated management strategies. (Imprint: Nova). ...
RNA interference is under study for possible use as a spray-on insecticide by multiple companies, including Monsanto, Syngenta, and Bayer. Such sprays do not modify the genome of the target plant. The RNA could be modified to maintain its effectiveness as target species evolve tolerance to the original. RNA is a relatively fragile molecule that generally degrades within days or weeks of application. Monsanto estimated costs to be on the order of $5/acre.[10]. RNAi has been used to target weeds that tolerate Monsantos Roundup herbicide. RNAi mixed with a silicone surfactant that let the RNA molecules enter air-exchange holes in the plants surface that disrupted the gene for tolerance, affecting it long enough to let the herbicide work. This strategy would allow the continued use of glyphosate-based herbicides, but would not per se assist a herbicide rotation strategy that relied on alternating Roundup with others.[10]. They can be made with enough precision to kill some insect species, while ...
The synergistic effect between the entomopathogenic fungus Metarhizium robertsii and a sublethal dose of the bacterium Bacillus thuringiensis ssp. morrisoni var. tenebrionis was studied in terms of immune defense reactions and detoxification system activity of the Colorado potato beetle, Leptinotarsa decemlineata, fourth instar larvae. Bacterial infection led to more rapid germination of fungal conidia on integuments. We found a significant decrease of cellular immunity parameters, including total hemocyte count and encapsulation response, under the influence of bacteria. Phenoloxidase activity in integuments was increased under bacteriosis, mycosis and combined infection compared to controls. However, phenoloxidase activity in the hemolymph was enhanced under bacteriosis alone, and it was decreased under combined infection. Activation of both nonspecific esterases and glutathione-S-transferases in the hemolymph was shown at the first day of mycosis and third day of bacteriosis. However, ...
INTRODUCTION. In Brazil, sugarcane monoculture forms the basis of the sugar export and biofuel industries (Alves et al., 2008). The root spittlebug Mahanarva fimbriolata (Stal) (Hemiptera: Cercopidae) causes serious economic damage to this crop in regions where harvesting is mechanized, especially in the Southeast and in some states of the Midwest and Northeast (Dinardo-Miranda et al., 2006). This necessitates to develop the efficient ways to control this pest. Biological control of the spittlebug using the fungus Metarhizium anisopliae (Metschnikoff) Sorokin may provide an alternative to the use of chemical insecticides. Additional benefits of using this particular pathogen are that it is also active against the borer Diatraea saccharalis (Fabricius) but does not affect some of the natural enemies of the spittlebug such as the wasp Salpingogaster nigra (Schiner) and predator ant Pheidole genalis (Borgmeier) (Mendonça and Mendonça, 2005).. Several studies have been conducted that focus on the ...
0048]In a preferred embodiment the esterase is a lipolytic enzyme, more preferably, a lipase. As used herein, "lipolytic enzymes" refers to lipases and phospholipases (including lyso-phospholipases). The lipolytic enzyme is preferably of microbial origin, in particular of bacterial, fungal or yeast origin. The lipolytic enzyme used may be derived from any source, including, for example, a strain of Absidia, in particular Absidia blakesleena and Absidia corymbifera, a strain of Achromobacter, in particular Achromobacter iophagus, a strain of Aeromonas, a strain of Alternaria, in particular Alternaria brassiciola, a strain of Aspergillus, in particular Aspergillus niger and Aspergillus flavus, a strain of Achromobacter, in particular Achromobacter iophagus, a strain of Aureobasidium, in particular Aureobasidium puliulans, a strain of Bacillus, in particular Bacillus pumilus, Bacillus strearothermophilus and Bacillus subtilis, a strain of Beauveria, a strain of Brochothtix, in particular ...
The susceptibility of field collected Aedes aegypti larvae was evaluated in terms of median lethal time (LT50) and final mortality, when treated with temephos, Bacillus thuringiensis var israelensis as well as mixtures of these two agents. Third instar larvae were shown to be more susceptible than early and late fourth instar ones to the entomopathogen. Survival of some individuals when exposed to temephos suggest possible resistance. Temporal synergism in early fourth instar larvae was detected when they were exposed to mixtures of Bti-temephos. The possibility of this integrated treatment is commented on ...
Paring and hot-water treatment of banana suckers have been recommended to prevent the spread of banana weevil, Cosmopolites sordidus Germar, into new banana plantations. Mortality of banana weevil eggs and larvae were recorded after immersion of infested banana suckers in four hot-water regimes: 43C for 2 hours, 43 C for 3 hours, 54 C for 20 minutes and 60 C for 15 minutes. Paring removed 90 % of banana weevil eggs, while all hot-water treatments resulted in 100 % mortality of eggs. However, only hot-water baths of 43C for 3 h resulted in high mortality (94 %) of weevil larvae. Larval mortality in other treatments ranged from 26-32 %. It is unlikely that Ugandan farmers will implement three-hour hot-water baths for banana weevil control. Also, the hot-water treatment that is most effective for nematode control (54 C for 20 min) provided limited control of banana weevil The data suggest that paring alone may be the most appropriate measure for resource-poor farmers to eliminate banana weevil from

Potential of an indigenous strain of the entomopathogenic fungus Beauveria bassiana as a biological control agent against the...Potential of an indigenous strain of the entomopathogenic fungus Beauveria bassiana as a biological control agent against the...

Beauveria bassiana , Curculionidae , Efficacy , Entomopathogenic fungi , Horizontal transmission , Hypocreales , Palmae , ... Potential of an indigenous strain of the entomopathogenic fungus Beauveria bassiana as a biological control agent against the ... Potential of an indigenous strain of the entomopathogenic fungus Beauveria bassiana as a biological control agent against the ... The potential of a strain of Beauveria bassiana (Ascomycota: Clavicipitaceae) obtained from a naturally infected Rhynchophorus ...
more infohttp://repositori.uji.es/xmlui/handle/10234/49505

Red Palm Weevil - Cultivos PIMA Jardineria y ServiciosRed Palm Weevil - Cultivos PIMA Jardineria y Servicios

... in controlling this pest by using innocuous biological agents to the environment through the use of the fungus Beauveria ...
more infohttp://www.cultivospima.com/glosario/6/rhynchophorus-ferrugineus/

Beauveria - WikipediaBeauveria - Wikipedia

Beauveria alba Beauveria amorpha Beauveria arenaria Beauveria asiatica Beauveria australis Beauveria bassiana Beauveria ... Beauveria densa Beauveria dependens Beauveria doryphorae Beauveria effusa Beauveria epigaea Beauveria felina Beauveria geodes ... Beauveria globulifera Beauveria heimii Beauveria hoplocheli Beauveria kipukae Beauveria laxa Beauveria malawiensis Beauveria ... Beauveria nubicola Beauveria oryzae Beauveria paradoxa Beauveria paranensis Beauveria parasitica Beauveria petelotii Beauveria ...
more infohttps://en.wikipedia.org/wiki/Beauveria

Beauveria bassiana - WikipediaBeauveria bassiana - Wikipedia

Beauveria bassiana is a fungus that grows naturally in soils throughout the world and acts as a parasite on various arthropod ... Beauveria bassiana can be used as a biological insecticide to control a number of pests such as termites, whiteflies, and many ... Beauveria bassiana parasitizing the Colorado potato beetle has been reported to be, in turn, the host of a mycoparasitic fungus ... As a species, Beauveria bassiana parasitizes a very wide range of arthropod hosts. However, different strains vary in their ...
more infohttps://en.wikipedia.org/wiki/Beauveria_bassiana

Beauveria bassiana - VikipeediaBeauveria bassiana - Vikipeedia

Beauveria bassiana. (Bals.-Criv.) Vuill.. Beauveria bassiana on helekottseenelaadsete seltsi kedristõlvikuliste sugukonda ... Beauveria bassiana on kosmopoliitse (ülemaailmse) levikuga. Seosed teiste seentega[muuda , muuda lähteteksti]. Beauveria ... Lisaks on Beauveria bassianat lihtne mullast erinevate antibiootikumidega isoleerida ja kasvatada. Beauveria bassiana kasvab ... Beauveria bassianat kasutatakse bioloogilise pestitsiidina mitmete kahjurite tõrjeks. Taimi piserdatakse Beauveria bassiana ...
more infohttps://et.wikipedia.org/wiki/Beauveria_bassiana

BotaniGard ES | Beauveria bassianaBotaniGard ES | Beauveria bassiana

Beauveria bassiana Strain GHA. Mycoinsecticide in a Liquid Emulsifiable Suspension - Controls a wide variety of soft-bodied ... BotaniGard ES uses Beauveria bassiana, a beneficial fungus, to target and control a wide variety of soft-bodied insects in ... For control of tomato pest insects using Beauveria bassiana, apply BotaniGard 22WP instead. ...
more infohttps://www.arbico-organics.com/product/botanigard-es-beauveria-bassiana-mycoinsecticide/pest-solver-guide-grubs-beetles

BotaniGard MAXX - Beauveria bassiana + Pyrethrins MycoinsecticideBotaniGard MAXX - Beauveria bassiana + Pyrethrins Mycoinsecticide

BotaniGard Maxx combines Beauveria bassiana with pyrethrins to knockdown and kill target pests including aphids, caterpillars, ... 0.06%.....Beauveria bassiana Strain GHA*. 99.19%...Other Ingredients**. 100%......Total. Contains 0.055 lbs of pyrethrins per ... BotaniGard Maxx is a powerful combination of pyrethrins and live spores of Beauveria bassiana Strain GHA. These active ...
more infohttps://www.arbico-organics.com/product/botanigard-maxx/lepidoptera-borer-moth-control

Beauveria bassiana (Bb) | University of Maryland ExtensionBeauveria bassiana (Bb) | University of Maryland Extension

February 2011 Summary: Previous work by the PI has shown that if combined with the fungus Beauveria bassiana (Bb), diatomaceous ...
more infohttp://extension.umd.edu/tags/beauveria-bassiana-bb

Virulence of Aerial Conidia of Beauveria bassiana Produced under LED Light to Ctenocephalides felis (Cat Flea)Virulence of Aerial Conidia of Beauveria bassiana Produced under LED Light to Ctenocephalides felis (Cat Flea)

... Sarayut ... The current study verified the in vitro virulence of conidia of the entomopathogenic fungus Beauveria bassiana produced under ... K. K. Fernandes, G. L. Da Costa, F. B. Scott, and V. R. E. P. Bittencourt, "Virulence of Metarhizium anisopliae and Beauveria ... Beauveria bassiana (Balsamo) Vuillemin (Hypocreales: Clavicipitaceae) is one of the most important biological control agents ...
more infohttps://www.hindawi.com/journals/jpath/2018/1806830/

Molecular Cloning, Bioinformatic Analysis, and Expression of Bombyx mori Lebocin 5 Gene Related to Beauveria bassiana InfectionMolecular Cloning, Bioinformatic Analysis, and Expression of Bombyx mori Lebocin 5 Gene Related to Beauveria bassiana Infection

Silkworm white muscardine is not caused by artificial release or natural epizootic of Beauveria bassiana in China," Journal of ... D. Lu, M. Pava-Ripoll, Z. Li, and C. Wang, "Insecticidal evaluation of Beauveria bassiana engineered to express a scorpion ... C. Hou, G. Qin, T. Liu et al., "Transcriptome analysis of silkworm, Bombyx mori, during early response to Beauveria bassiana ... injected with the fungus Beauveria bassiana," Journal of Insect Science, vol. 13, article 138, 14 pages, 2013. View at ...
more infohttps://www.hindawi.com/journals/bmri/2017/9390803/ref/

Comparative Analysis of the Biological Activity and Chromatographic Profiles of the Extracts of Beauveria bassiana and B....Comparative Analysis of the Biological Activity and Chromatographic Profiles of the Extracts of Beauveria bassiana and B....

Beauveria bassiana Beauveria pseudobassiana extracts toxicology HPLC TLC chemotaxonomy Original Russian Text © A.O. ... Zimmermann, G., Review on safety of the entomopathogenic fungi Beauveria bassiana and Beauveria brongniartii, Biocontrol Sci. ... Mugnai, L., Bridge, P.D., and Evans, H.C., A chemotaxonomic evaluation of the genus Beauveria, Mycol. Res., 1989, vol. 92, pp. ... Griffiths, D.A. and Jezequel, S.G., Metabolism of xenobiotics by Beauveria bassiana, Xenobiotica, 1993, vol. 23, pp. 1085-1100. ...
more infohttps://link.springer.com/article/10.1134/S0026261718020030

Beauveria bassiana (K4B1) - toxicity, ecological toxicity and regulatory informationBeauveria bassiana (K4B1) - toxicity, ecological toxicity and regulatory information

Beauveria bassiana HF 23. View. View. View. Insecticide. Yes. Not Listed. Related. 9. Beauveria bassiana strain 447. View. View ... Beauveria bassiana strain GHA. View. View. View. Insecticide. Yes. Not Listed. Related. 9. Beauveria bassiana (K4B1). View. ... Beauveria bassiana ATCC 74040. View. View. View. Insecticide. Yes. Not Listed. Related. 9. Beauveria bassiana bassiana. View. ... Beauveria bassiana (K4B1) Beauveria bassiana strain GHA PAN Bad Actors. PAN Dirty Dozen list. Not Listed. Not Listed. Not ...
more infohttp://www.pesticideinfo.org/Detail_Chemical.jsp?Rec_Id=PC43614

Insects | Free Full-Text | Label-Free Differential Proteomics and Quantification of Exoenzymes from Isolates of the...Insects | Free Full-Text | Label-Free Differential Proteomics and Quantification of Exoenzymes from Isolates of the...

Beauveria bassiana is an entomopathogenic fungus that grows both in vivo and in vitro. In vivo it can colonize live insect ... Beauveria bassiana is an entomopathogenic fungus that grows both in vivo and in vitro. In vivo it can colonize live insect ... Keywords: Beauveria bassiana; differential proteomics; Progenesis QI for proteomics; exoenzymes; subtilisin protease; ... Label-Free Differential Proteomics and Quantification of Exoenzymes from Isolates of the Entomopathogenic Fungus Beauveria ...
more infohttps://www.mdpi.com/2075-4450/7/4/54

Nussenbaum, A.L. and Lecuona, R.E. (2012) Selection of Beauveria bassiana sensu lato and Metarhizium anisopliae sensu lato...Nussenbaum, A.L. and Lecuona, R.E. (2012) Selection of Beauveria bassiana sensu lato and Metarhizium anisopliae sensu lato...

Selection of Beauveria bassiana sensu lato and Metarhizium anisopliae sensu lato Isolates as Microbial Control Agents against ... Effect of Ultraviolet Radiation on Fungi Beauveria bassiana and Metarhizium anisopliae, Pure and Encapsulated, and Bio- ... Nussenbaum, A.L. and Lecuona, R.E. (2012) Selection of Beauveria bassiana sensu lato and Metarhizium anisopliae sensu lato ... Our aim was to evaluate the entomopathogenicity of indigenous Beauveria bassiana and Metarhizium anisopliae obtained in Gaza ...
more infohttps://www.scirp.org/reference/ReferencesPapers.aspx?ReferenceID=1959817

Identification of up-regulated genes of the hyphomycete, Beauveria bassiana, during infection of Leptinotarsa decemlineata  -...Identification of up-regulated genes of the hyphomycete, Beauveria bassiana, during infection of Leptinotarsa decemlineata -...

Identification of up-regulated genes of the hyphomycete, Beauveria bassiana, during infection of Leptinotarsa decemlineata ... German Title: Identifizierung von hoch regulierten Genen des hyphomyceten Pilzes, Beauveria bassiana, während der Infektion von ...
more infohttp://archiv.ub.uni-heidelberg.de/volltextserver/3712/index.html

Genetic diversity among brazilian isolates of beauveria bassiana: comparisons with non-brazilian isolates and other beauveria...Genetic diversity among brazilian isolates of beauveria bassiana: comparisons with non-brazilian isolates and other beauveria...

AFLP and rDNA sequencing demonstrated notable genotypic variation between B. bassiana and other Beauveria spp. Conclusion: ... and to other Beauveria spp. Methods and Results: The isolates were examined by multilocus enzyme electrophoresis (MLEE), ... The genetic diversity of Beauveria bassiana was investigated by comparing isolates of this species to each other (49 from ... Genetic diversity among brazilian isolates of beauveria bassiana: comparisons with non-brazilian isolates and other beauveria ...
more infohttps://pubs.er.usgs.gov/publication/70036755

Selection, assessment of virulence to Alphitobius diaperinus, and Pr1 enzyme production of Beauveria bassiana (Bals.) Vuill....Selection, assessment of virulence to Alphitobius diaperinus, and Pr1 enzyme production of Beauveria bassiana (Bals.) Vuill....

... and Pr1 enzyme production of Beauveria bassiana (Bals.) Vuill. isolates cultured at stress temperatures ... The entomopathogenic fungus Beauveria bassiana is a promising agent for use in insect control. Its pathogenic activity, as well ... Selection, assessment of virulence to Alphitobius diaperinus, and Pr1 enzyme production of Beauveria bassiana (Bals.) Vuill. ...
more infohttp://www.uel.br/revistas/uel/index.php/semagrarias/article/view/17889

The entomopathogenic fungus Beauveria bassiana reduces instantaneous blood feeding in wild multi-insecticide-resistant Culex
  ...The entomopathogenic fungus Beauveria bassiana reduces instantaneous blood feeding in wild multi-insecticide-resistant Culex ...

Beauveria bassiana did not repel blood foraging mosquitoes either in the laboratory or field. Conclusions: This is the first ... The entomopathogenic fungus Beauveria bassiana reduces instantaneous blood feeding in wild multi-insecticide-resistant Culex ... The entomopathogenic fungi Metarhizium anisopliae and Beauveria bassiana were separately applied to white polyester window ...
more infohttp://dare.uva.nl/search?metis.record.id=340238

Entomopathogenic Effect of Beauveria bassiana (Bals.) and Metarrhizium
anisopliae (Metschn.) on Tuta absoluta (Meyrick) ...Entomopathogenic Effect of Beauveria bassiana (Bals.) and Metarrhizium anisopliae (Metschn.) on Tuta absoluta (Meyrick) ...

Isolates of Beauveria bassiana (PPRC-56) and Metarhizium anisopliae (PPRC-2) were obtained from Ambo Plant protectionresearch ... Beauveria bassiana; Metarhizium anisopliae; Efficacy; Conidia concentrations; Larval mortality; Virulence; Chemical ... Khalid AH, Mohamed AAA, Ahmed YA, Saad SE (2012) Pathogenicity of Beauveria bassiana and Metarhizium anisopliae against ... Neves PJ, Alves SB (2000) Selection of Beauveria bassiana (Bals.) Vuill. and Metarhizium anisopliae (Metsch.) Sorok. Strains ...
more infohttps://www.omicsonline.org/open-access/entomopathogenic-effect-of-beauveria-bassiana-bals-and-metarrhiziumanisopliae-metschn-on-tuta-absoluta-meyrick-lepidoptera-gelechi-2157-7471-1000411.php?aid=89828

All About Beauveria Bassiana: Can This Spray-On Fungus Kill Bed Bugs?All About Beauveria Bassiana: Can This Spray-On Fungus Kill Bed Bugs?

... MM Novato News A bed bug killed by Beauveria bassiana. ... All About Beauveria Bassiana: Can This Spray-On Fungus Kill Bed Bugs?. A bed bug killed by Beauveria bassiana. Source: Penn ... Beauveria Bassiana in a Bed Bug Treatment. Bed bugs infected with Beauveria bassiana. Source: Inside Science. Because it hasnt ... Beauveria Bassiana in a Bed Bug Treatment. Bed bugs infected with Beauveria bassiana. Source: Inside Science. Because it hasnt ...
more infohttps://www.bedbugsupply.com/blog/news/beauveria-bassiana/

Efficacy of some local isolates of the fungus Beauveria bassiana (Balsamo) Vuillemin on the alfalfa weevil Hypera postica ...Efficacy of some local isolates of the fungus Beauveria bassiana (Balsamo) Vuillemin on the alfalfa weevil Hypera postica ...

Control potential of 10 Beauveria bassiana isolates, isolated from Hypera postica (Gyllenhal) (Coleoptera: Curculionidae) and ... 2016). Species of the genera Beauveria, Metarhizium, Lecanicillium and Isaria are commercially produced (Vega et al. 2009). B. ... Güven Ö, Çayır D, Baydar R, Karaca I (2015) The effects of entomopathogenic fungus Beauveria bassiana (Bals.) Vuill isolates on ... Efficacy of some local isolates of the fungus Beauveria bassiana (Balsamo) Vuillemin on the alfalfa weevil Hypera postica ( ...
more infohttps://rd.springer.com/article/10.1186%2Fs41938-018-0067-7

A constitutively expressed antifungal peptide protects  Tenebrio molitor  during a natural infection by the entomopathogenic...A constitutively expressed antifungal peptide protects Tenebrio molitor during a natural infection by the entomopathogenic...

... during a natural infection with the entomopathogenic fungus Beauveria bassiana. We monitored the effect of the expression of ... expressed antifungal peptide protectsTenebrio molitorduring a natural infection by the entomopathogenic fungusBeauveria ...
more infohttps://insights.ovid.com/devcmi/201809000/00114477-201809000-00004

Bioinsecticides Market by Type (Bacteria Thuringiensis, Beauveria Bassiana, Verticillium Lecanii & Others), Mode of Action ...Bioinsecticides Market by Type (Bacteria Thuringiensis, Beauveria Bassiana, Verticillium Lecanii & Others), Mode of Action ...

197 Pages Report] Check for Discount on Bioinsecticides Market by Type (Bacteria Thuringiensis, Beauveria Bassiana, ... Table 4 Beauveria Bassiana Market Size, By Region, 2014-2021 (USD Million). Table 5 Verticillium Lecanii Market Size, By Region ... 7.3 Beauveria Bassiana. 7.4 Verticillium Lecanii. 7.5 Metarhizium Anisopliae. 8 Bioinsecticides Market, By Crop Type. 8.1 ... Bioinsecticides Market by Type (Bacteria Thuringiensis, Beauveria Bassiana, Verticillium Lecanii & Others), Mode of Action ( ...
more infohttp://www.reportsnreports.com/reports/606487-bioinsecticides-market-by-type-bacteria-thuringiensis-beauveria-bassiana-verticillium-lecanii-others-mode-of-action-predators-parasites-pathogens-bio-rationals-mode-of-application-formulation-crop-type-by-region-global-trends-forecast-to-2021.html

Native strains of Beauveria bassiana for the control of Rhipicephalus sanguineus sensu lato | Parasites & Vectors | Full TextNative strains of Beauveria bassiana for the control of Rhipicephalus sanguineus sensu lato | Parasites & Vectors | Full Text

Beauveria bassiana conidial infection suspension. The fungi were maintained on potato dextrose agar (PDA) and kept at 4°C. The ... Phylogeny and systematics of the anamorphic, entomopathogenic genus Beauveria. Mycologia. 2011;103:1055-73.View ArticlePubMed ... The four Beauveria isolates were morphologically identified as B. bassiana. Sequencing of PCR amplicons (530 bp) from ... Virulence of Beauveria bassiana, Metarhizium anisopliae and Paecilomyces lilacinus to the engorged female Hyalomma anatolicum ...
more infohttps://parasitesandvectors.biomedcentral.com/articles/10.1186/s13071-015-0693-9
  • Soil, enodphytic, and insect-pathogenic micromycetes of the genus Beauveria are widespread in nature and are important producers on mycoinsecticides, enzymes, and pharmacologically usable and toxic compounds. (springer.com)
  • Evans, H. C: 1989, A chemolaxonomic evaluation of the genus Beauveria. (mesbahrc.ir)
  • In this sense, phylogenetic studies based on nuclear ITS and elongation factor 1-alpha (EF1-α) sequences have demonstrated the monophyly of Beauveria and the existence of at least two lineages within B. bassiana s.l . ( sensu lato ), and also that EF1-α sequences provide adequate information for the inference of relationships in this genus [ 8 ]. (biomedcentral.com)
  • Fifty-seven Beauveria bassiana isolates -53 from Spain- were characterized, integrating group I intron insertion patterns at the 3'-end of the nuclear large subunit ribosomal gene (LSU rDNA) and elongation factor 1-alpha (EF1-α) phylogenetic information, in order to assess the genetic structure and diversity of this Spanish collection of B. bassiana . (biomedcentral.com)
  • 1973) harvested Beauveria brongniartii by centrifugation before mixing with silica powder, osmotically active materials (such as sucrose and sodium glutamate), anti-oxidizing agents (sodium ascorbate) and a mixture of liquid paraffin-polyoxyethylene glycerin oleate. (fao.org)
  • Beauveria bassiana chitinases are involved in degrading the chitin in insects' exoskeletons and internal structures, and thus are important virulence factors as they participate in initial to final steps of infection. (urosario.edu.co)
  • Silkworm white muscardine is not caused by artificial release or natural epizootic of Beauveria bassiana in China," Journal of Invertebrate Pathology , vol. 125, pp. 16-22, 2015. (hindawi.com)
  • Belova (1978) dried Beauveria bassiana product in five different ways: vacuum, freeze, spray-drying, drying by mixing with an inert filler, and in a fluidized bed with an inlet temperature of 40 o C and an outlet of 30 o C. The virulence of the fluidized bed-dried material is enhanced and the process accelerated by precipitation using a calcium carbonate, surfactant, silica gel mixture. (fao.org)
  • Description and phylogenetic placement of Beauveria hoplocheli sp. (wikipedia.org)
  • در این پژوهش، تاثیر دو جدایه از قارچ بیمارگر Beauveria bassiana Boisduval بر سامانه ایمنی افراد بالغ سن شکارگر Andrallus spinidens Fabricius (Hemiptera: Pentatomidae) مورد بررسی قرار گرفت. (ac.ir)
  • Akello J, Dubois T, Coyne D, Kyamanywa S (2008a) Effect of endophytic Beauveria bassiana on populations of the banana weevil, Cosmopolites sordidus , and their damage in tissue-cultured banana plants. (springerprofessional.de)
  • High variability in conidial thermotolerance was found among the Beauveria spp. (usu.edu)