Influence of plant architecture on tritrophic interactions between winter canola (Brassicae napus), Aphids (Hemiptera:...
Winter canola production in the south-central US is commonly threatened by a complex of aphid species that can cause up to 70% ... Aphid species vary in their life-history traits, performance (sequestration/excretion of secondary compounds; glucosinolates), ... Colonizing behavior of these aphids may be affected by intrinsic characteristics of the host plant (bottom-up effects), such as ... The goal of my research project is to understand aphid population dynamics in different canola plant structures, assess whether ...http://krex.k-state.edu/dspace/handle/2097/16875
Genome sequence of the pea aphid Acyrthosiphon pisum
The inventory of metabolic genes in the pea aphid genome suggests that there is extensive metabolite exchange between the aphid ... The inventory of metabolic genes in the pea aphid genome suggests that there is extensive metabolite exchange between the aphid ... Genome sequence of the pea aphid Acyrthosiphon pisum. Stephen Richards, Richard A Gibbs, Nicole M Gerardo, Nancy Moran, Atsushi ... The pea aphid genome reveals that only a limited number of genes have been acquired from bacteria; thus the reduced gene count ...https://biblio.ugent.be/publication/931223
Diversity of bacteria associated with natural aphid populations - White Rose Research Online
Both the transmission patterns of the accessory bacteria between individual aphids and their impact on aphid fitness are ... in each aphid. The prevalence of accessory bacterial taxa varied significantly among aphid species but not with the sampling ... Complementary analysis of aphids from natural populations of four aphid species (A. pisum [n 74], Amphorophora rubi [n 109], ... 5 more authors) (2003) Diversity of bacteria associated with natural aphid populations. Applied and Environmental Microbiology ...http://eprints.whiterose.ac.uk/329/
Pest status of bean stem maggot (Ophiomyia spp.) and black bean aphid (Aphis fabae) in Taita District, Kenya
OCHILO, Willis N. and NYAMASYO, Gideon H. Pest status of bean stem maggot (Ophiomyia spp.) and black bean aphid (Aphis fabae) ... Keywords : Black bean aphid (Aphis fabae); Bean stem maggot (Ophiomyia spp); Soil fertility management practices. ... The incidence of bean stem maggot and black bean aphid were significantly higher in the on-farm plots than in the on-station ... and black bean aphid (BBA) (Aphis fabae) incidence. These studies aimed at gathering information useful in the development of ...http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S1870-04622011000400014&lng=en&nrm=iso&tlng=en
Host-associated differentiation and evidence for sexual reproduction in Iranian populations of the cotton aphid, Aphis gossypii...
We sampled aphids from five host plant species in Iran and detected strong population subdivision, with an overall multilocus ... We sampled aphids from five host plant species in Iran and detected strong population subdivision, with an overall multilocus ... This adds to the growing body of evidence that many seemingly generalist aphids are in fact an assemblage of host-specialized ... This adds to the growing body of evidence that many seemingly generalist aphids are in fact an assemblage of host-specialized ...http://www.zora.uzh.ch/id/eprint/27604/
Bacillus subtilis und seine Stoffwechselprodukte als Agenzien zur Resistenzinduktion gegen Blattläuse auf Ackerbohne (Vicia...
The tested aphids presented longer development and pre-reproduction time; conversely a lower relative growth rate and intrinsic ... The performance of Aphis fabae and Rhopalosiphum padi was evaluated using life table tests where the aphids'' development time ... which was interpreted as the major reason for the observed antibiosis effect on the tested aphids.. ...https://edoc.hu-berlin.de/handle/18452/16221?C=N
Candidate genes for resistance and susceptibility to the bird cherry-oat aphid (Rhopalosiphum padi L.) in barley (Hordeum...
Bird cherry-oat aphid (Rhopalosiphum padi L.) is an important pest on spring-sown cereals. The aphid reduces yield and can act ... 3. An aphid-induced proteinase inhibitor from barley affects aphid performance in transgenic Arabidopsis. Open this publication ... Aphids such as the bird cherry-oat aphid (Rhopalosiphum padi L.) are serious pests in agriculture worldwide. Partially ... 2. The constitutive expression and induction of three β-1,3-glucanases by bird cherry-oat aphid in relation to aphid resistance ...http://su.diva-portal.org/smash/record.jsf?pid=diva2:902847
Genetic variation and covariation of susceptibility to parasitoids in the aphid Myzus persicae: no evidence for trade-offs |...
Here, we address potential costs of resistance in another pest aphid, the peach potato aphid, Myzus persicae, using a set of 17 ... Females oviposit a single egg into aphid nymphs. The larva develops inside the still-growing aphid until the last larval instar ... Following Henter & Via (1995), the basic assay to estimate aphid susceptibility to parasitoids was to expose groups of aphid ... Studies on pea aphids have also revealed that much of the ecologically relevant variation among clones may in fact be due to ...http://rspb.royalsocietypublishing.org/content/275/1638/1089
Acyrthosiphon pisum - Wikipedia
Pea aphids are not known to be farmed by ants that feed on honeydews. More than 20 legume genera are known to host pea aphids, ... Therefore, the pea aphid is more accurately described as a species complex. The pea aphid is thought to be of Palearctic origin ... The aphid genome is 464MB with aphid-specific orphan genes making up 20% of the genome and gene duplication present in more ... Winged aphids can then colonize other host plants. Pea aphids also show hereditary body color variations of green or red/pink. ...https://en.wikipedia.org/wiki/Acyrthosiphon_pisum
Mitochondrial Genetic Diversity in the Bird Cherry-Oat Aphid Rhopalosiphum padi (L.) in China
... we found that the population and evolutionary biology of aphids including R. padi, could not be elucidated by analyzing mtDNA ... to overcome the low genetic information provided by mtDNA in evolutionary studies on aphid populations. ... reviewing the recent literatures on mitochondrial diversity in aphid species, ... Aphids as Crop Pests. CABI Publishing, London.. 52. Wang, J. F., Jiang, L. Y. and Qiao, G. X. 2011. Use of a Mitochondrial COI ...http://jast.modares.ac.ir/article_17710.html
Functional bases of host acceptance behaviour in the aphid parasitoid Aphidius ervi (Hymenoptera: Braconidae) | IRIS Università...
Parasitoid females lay few eggs in aphid dummies filled with host haemolymph. A significant increase in the number of both ... Parasitoid females lay few eggs in aphid dummies filled with host haemolymph. A significant increase in the number of both ... However, this enhancement is not observed when the aphid dummies contain distilled water. Thus, the host acceptance behaviour ... However, this enhancement is not observed when the aphid dummies contain distilled water. Thus, the host acceptance behaviour ...https://research.unipg.it/handle/11391/123927
DIGITAL.CSIC: Intracellular Salivation Is the Mechanism Involved in the Inoculation of Cauliflower Mosaic Virus by Its Major...
Inoculation rate of CaMV by B. brassicae was the highest after a 3-h inoculation access period, regardless of whether aphids ... In the present work, we used the electrical penetration graph technique to study the specific aphid stylet activities and ... Consistent interspecific differences also were found in the ability of both aphid vectors to retain CaMV. B. brassicae could ... Cauliflower mosaic virus (CaMV) is transmitted to crucifers in a noncirculative manner by several aphid species. CaMV is ...https://digital.csic.es/handle/10261/11269
Two developmental switch points for the wing polymorphisms in the pea aphid Acyrthosiphon pisum
The pea aphid ,i,Acyrthosiphon pisum,/i, exhibits various morphs with or without wings associated with their complex life cycle ... The pea aphid Acyrthosiphon pisum exhibits various morphs with or without wings associated with their complex life cycle ... Two developmental switch points for the wing polymorphisms in the pea aphid Acyrthosiphon pisum ...https://www.infona.pl/resource/bwmeta1.element.springer-doi-10_1186-2041-9139-4-30
The Affect of Host Plant on Aphid Population Growth
Different aphids are said to cause different colorations when damaging the plants. The comparison of aphid performance on a set ... Will one aphid species have an exceptionally higher rate of reproduction on a specific plant? Is aphid population growth ... The Affect of Host Plant on Aphid Population Growth. K-REx Repository. Search K-REx. This Collection. ... Damage from aphids to wheat plants is noticeable from a distance and can result in water stress, reduced plant growth and ...http://krex.k-state.edu/dspace/handle/2097/35257
Pea Aphids - Acyrthosiphon pisum | Delta Valley Farm
There are over 4,400 species of Aphids worldwide, and are affectionately termed 'plant lice'. Pea Aphids attack forage crops ... Anyone who has grown anything has at one time or another come in contact with some type of Aphid. ... Pea Aphids on Whistler Peas 03/24/2017). Life Cycle:. Pea Aphids start out the season from over-wintered fertilized eggs. These ... 1.Diapause in the pea aphid (Acyrthosiphon pisum) is a slowing but not a cessation of development. Diapause in the pea aphid ( ...https://deltavalley.blog/2017/03/26/pea-aphids-acyrthosiphon-pisum/
Prairie Pest Monitoring Network Blog: Insect of the Week (June 26) - Cereal Aphids
These aphids include the corn leaf aphid, the English grain aphid, the oat-birdcherry aphid and the Russian wheat aphid. They ... corn leaf aphid, English grain aphid, Field Guide, Insect of the Week, oat-birdcherry aphid, Russian wheat aphid ... This week's Insect of the Week is the group of aphids known as cereal aphids. ... English grain aphid - adult, nymph (Tyler Wist, AAFC). 👉Be sure to check out our new Cutworm Manual, available on the Cutworm ...http://prairiepestmonitoring.blogspot.com/2017/06/insect-of-week-june-26-cereal-aphids.html
Cucumber mosaic virus and its 2b RNA silencing suppressor modify plant-aphid interactions in tobacco
We found that infection of tobacco with a 2b gene deletion mutant (CMVD2b) induced strong resistance to aphids (Myzus persicae ... This indicates that while CMV infection or certain viral gene products might elicit aphid resistance, the 2b protein normally ... Using electrical penetration graph methodology we found that higher proportions of aphids showed sustained phloem ingestion on ... Cucumber mosaic virus and its 2b RNA silencing suppressor modify plant-aphid interactions in tobacco. ...https://www.stir.ac.uk/research/hub/publication/5459
Use of cereal border crops in management of aphid-transmitted viral diseases during seed potato (Solanum tuberosum) production
The border crops reduced aphid population on leaves compared to non-bordered potato plots. More alate aphids were caught on ... Aphid population was monitored on leaves and on yellow sticky traps. Other data collected included viral disease incidence and ... was conducted over two cropping seasons to investigate the effectiveness of cereal border crops in managing potato aphids and ...http://erepository.uonbi.ac.ke:8080/xmlui/handle/11295/33862
But scientists have discovered that an animal may actually be able to do it: The biology of aphids is bizarre: they can be born ... The biology of aphids is bizarre: they can be born pregnant and males sometimes lack mouths, causing them to die not long after ... Aphids are unique among animals in their ability to synthesize pigments called carotenoids. Many creatures rely on these ... in aphids, these pigments can absorb energy from the Sun and transfer it to the cellular machinery involved in energy ...http://www.neatorama.com/2012/08/18/Photosynthetic-Aphids/
Notes on Aphids
G. O. Shinji, "Notes on Aphids," Psyche, vol. 24, no. 3, pp. 84-86, 1917. doi:10.1155/1917/60759 ...https://www.hindawi.com/journals/psyche/1917/060759/cta/
A Flurry of Soybean Aphids - Myrmecos
it's raining aphids! hallelujah it's raining aphids! This aphid is actually a huge problem, and the sheer biomass only 10 (or ... I hear that aphids are attracted to liberals, to scourge them for all the wrong they have done over the years. I know that the ... It's been snowing aphids the past few days here in Champaign-Urbana. Trillions of them are drifting across town, settling out ... this explains the larger number of aphids in the urbana area. i think we should oust the liberals from urbana to make these ...http://scienceblogs.com/myrmecos/2009/09/20/a-flurry-of-soybean-aphids/
CodePlex - Aphid
Aphids - Knowledgebase Question - Garden.org
The sooty mold is caused by the aphid feeding so controlling the insects will stop the honeydew which causes the sooty mold. ... Insecticidal soap will control the aphids but you may need to make several applications. Just keep at it and eventually you?ll ... How do I get rid of the aphids and the black soot on my Gardenias?. ...https://garden.org/frogs/view/101375/
Rose aphids - MYRMECOS
Macrosiphum rosae - rose aphids, on a yellow rose in Tucson Arizona. The rose aphid, Macrosiphum rosae, dates its taxonomic ... Of course, the aphids don't pay much attention. They're just happy to tap into rose phloem. ... update: Cameron Brumley informs me these may actually be Rhodobium porosum, another rose-feeding aphid. Am checking into it. ...http://www.myrmecos.net/2011/10/13/rose-aphids/
Aphids as Crop Pests
The book remains a comprehensive and up-to-date reference work on the biology of aphids, the various methods of controlling ... He has researched on aphids for over 50 years and has wide international experience, including in the tropics.Richard ... the shift from control of aphids with insecticides to a more integrated approach imposed by increasing resistance in the aphids ... Aphids are among the major global pest groups, causing serious economic damage to many food and commodity crops in most parts ...https://www.cabi.org/bookshop/book/9781780647098