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*  Pythium blight - Center for Turfgrass Science - Penn State University
Disease development from the first infection centers occurs by growth of fungal mycelium and movement of spores from plant to ... Pythium fungi may survive for long periods in the soil. In turf with a history of Pythium blight, infected plant debris from ... Under conditions favorable for disease development, Pythium blight can spread very rapidly. ... Dense mycelium of Pythium aphanidermatum on tall fescue. lawn.. Pythium blight first appears as small, irregularly shaped spots ...
  http://plantscience.psu.edu/research/centers/turf/extension/factsheets/managing-diseases/pythium
*  Purpose and Background Information
Under favorable conditions, the fungal spores germinate (FIGURE 8). Unlike most fungal parasites that invade plant tissues, ... most powdery mildew fungi grow superficially on top of the leaf surface (FIGURE 9). Fine, thread-like infection pegs penetrate ... The combination of the mycelium, conidia and conidiophores gives the leaf surface a powdery appearance from which the name ... Powdery mildew fungi are ideal for use in a laboratory exercise on fungal classification, fungal spore types, host-parasite ...
  http://www.apsnet.org/edcenter/K-12/TeachersGuide/PowderyMildew/Pages/Background.aspx
*  Peach scab - Wikipedia
As a part of asexual fungi group Fungi imperfecti, Cladosporium carpophilum does not produce sexual spores but produce conidia ... Infection is most severe during spring and winter because further spread of fungi is favored by wet and warm environment. The ... Like most fungal diseases, peach scab thrives in warm and moist conditions. As a fungus, adequate shade plays an important role ... Conidia produced under the favorable conditions are spread from primary source by wind or rain to infect developing young ...
  https://en.wikipedia.org/wiki/Peach_scab
*  Eyespot | Wheat & Small Grains | Washington State University
When conditions are favorable, these fungi produce literally millions of spores on infested plant debris in soil. Splashing ... The eyespot fungi persist between crops only in the stubble of previously infected plants. Infection is favored by cool, 45 to ... Note the elliptical shape, yellow-brown color that is darker near the edge with dark-colored fungal material in the center. ... During colonization, the fungus forms masses of mycelium (scurf) on the leaf surface and between leaf sheaths giving the ...
  http://smallgrains.wsu.edu/disease-resources/soilborne-fungal-diseases/eyespot/
*  Sclerotium - Wikipedia
The fungal spores germinate at the anthesis and grow down the pollen tube without branching any hyphae outward. When the fungus ... In some higher fungi such as ergot, sclerotia become detached and remain dormant until favorable growth conditions return. ... Approximately seven days into the infection, the mycelium produces conidia. The conidia are then secreted out of the plant in a ... A sclerotium (/skləˈroʊʃəm/), plural sclerotia (/skləˈroʊʃə/), is a compact mass of hardened fungal mycelium containing food ...
  https://en.wikipedia.org/wiki/Sclerotium
*  Stem rust - Wikipedia
Spores overwinter or oversummer in another region and then recolonise when conditions are favorable. A number of stem rust ... Once inside the leaf the mycelium produces specialised infection structures called pycnia. The pycnia produce two types of ... Puccinia graminis produces all five of the spore types that are known for rust fungi. Spores are typically deposited close to ... which are produced by fungal mycelia on the cereal host 1-2 weeks after infection. The urediniospores are dikaryotic (contain ...
  https://en.wikipedia.org/wiki/Stem_rust
*  Toxins | Free Full-Text | Current Understanding on Aflatoxin Biosynthesis and Future Perspective in Reducing Aflatoxin...
The fungus overwinters either as spores, sclerotia, or as mycelium in debris. When conditions become favorable, the sclerotia ... reducing and eliminating aflatocin contamination is to breed commercial crop varieties that show resistance to fungal infection ... This gene is well conserved in fungi as shown by its presence in the genomes of all fungi so far sequenced. LaeA is a nuclear ... thus providing entry opportunities for fungal invasion; and (c) more fungal spores dispersed into the air under dry climate. ...
  http://www.mdpi.com/2072-6651/4/11/1024/htm
*  Cercospora beticola - Wikipedia
... mycelium is not necessary and conidia produce their own conidia at each new infection (microcycle). There have been no direct ... Under favorable wet conditions conidia are rain splashed and insect carried to new hosts where under humid and wet conditions ... Cercospora beticola is a fungal plant pathogen which typically infects plants of the genus Beta, within the family of ... C. beticola is a necrotrophic fungi that uses phytotoxins specifically Cercospora beticola toxin (CBT) to kill infected plants ...
  https://en.wikipedia.org/wiki/Cercospora_beticola
*  PP-232/PG133: 2013 Florida Plant Disease Management Guide: Guava (Psidiumguajava)
Conidia (asexual spores) are the fungal structures responsible for anthracnose infection. Conidia are produced on dead twigs, ... Under favorable conditions, the pathogen may produce a thin grayish or tannish-white hymenial layer consisting of mycelium, ... The fungi can infect fruit and cause lesions and fruit cracking which may lead to secondary infections of other opportunistic ... Quadriflagellate spores have not yet been identified as infection sources.. Management. Algal leaf spot can be reduced by ...
  http://edis.ifas.ufl.edu/pg133
*  Corn grey leaf spot - Wikipedia
Once infection occurs, the conidia are produced in these lower leaf regions. Assuming favorable weather conditions (see ... The fungus overwinters as stromata (mixture of plant tissues and fungal mycelium) in leaf debris, which give rise to conidia ... though unnecessary for infection, cercosporin increases the virulence of Cercospora fungi. Cercospora zeae-maydis survives only ... the characteristic grey color that follows is due to the production of grey fungal spores (conidia) on the lesion surface. ...
  https://en.wikipedia.org/wiki/Corn_grey_leaf_spot
*  Moniliophthora perniciosa - Wikipedia
Favorable conditions for the disease to spread are humid, warm tropical weather. The spores of this fungus are spread by wind, ... After 1-2 months post infection, necrosis of infected tissues occurs distal to the original infection site, forming a structure ... Among the endophytic fungi associated with cacao are many species of Trichoderma. Several species of Trichoderma have been ... One of the isolates, T. stromaticum, parasitizes the saprotrophic mycelium and basidiocarps of M. perniciosa, which reduces the ...
  https://en.wikipedia.org/wiki/Moniliophthora_perniciosa
*  Guide to Wheat Diseases and Pests
hyphae) mycelium. Immune Not affected by pathogens. Inoculum Spores or other diseased material that may cause infection. Lesion ... Fungal Diseases. Fungi differ from other plants in that they have no chlorophyll and thus lack photosynthetic capability. ... Importance: If infection occurs early in the crop cycle and conditions remain favorable for development, complete defoliation ... grayish fungal tissue Scab (Head Blight) *Superficial dark fungal tissue Spot Blotch Black Point Black Molds *Dark fungal ...
  https://wheat.pw.usda.gov/ggpages/wheatpests
*  Common spot of strawberry - Wikipedia
The disease cycle starts when the pathogen overwinters as mycelium or fruiting structures in leaf debris and spores are spread ... The fungal pathogen favors 12 or more hours of leaf wetness for infection. New, young foliage has been found to be more ... Under favorable conditions, dispersal of this disease will continue by splashing water or machinery. High rainfall and warm ... Fungi portal List of strawberry diseases Heidenreich, Cathy; Bill Turechek. "Strawberry Leaf Spot" (PDF). Canadian Journal of ...
  https://en.wikipedia.org/wiki/Common_spot_of_strawberry
*  Gibberella zeae - Wikipedia
The infection occurs by colonizing corn silk and symptoms first occur at the ear's apex. The white mycelium turns from pink to ... The primary inocula are the ascospores, sexual spores which are produced in the perithecia. Spores are forcibly discharged and ... Stem nodes begin to rot and wilt, eventually causing them to turn black and disintegrate when they are infected by the fungal ... Fusarium refers to a large genius of soil fungi that are economically important due to the profound effects they have on crops ...
  https://en.wikipedia.org/wiki/Gibberella_zeae
*  Albugo - Wikipedia
Favorable conditions for the dispersal and consequent infection of white rust from diseased to healthy plants are most common ... The Albuginaceae reproduce by producing both sexual spores (called oospores) and asexual spores (called sporangia) in a many- ... Those are not true fungi (Eumycota), although many discussions of this organism still treat it as a fungus. The taxonomy of ... The thick-walled oospores are the main overwintering structures, but the mycelium can also survive in conditions where all the ...
  https://en.wikipedia.org/wiki/Albugo
*  Ergot of rye
As the hyphae grow longer and more numerous, they are called a mycelium. Fungal mycelium produces numerous asexual conidia ( ... If the flower stays open for long without pollination, it is susceptible to ergot infection by spores of the fungus for a ... Ergot is a fungal disease caused by fungi of the genus Claviceps. Species in this genus are unique in that they only infect ... Sclerotia germinate under favorable conditions and produce ascospores that are carried by air currents and infect stigmas of ...
  https://www.apsnet.org/edcenter/intropp/lessons/fungi/ascomycetes/Pages/Ergot.aspx
*  Black Mold Test Inspection Mold Inspector Testing Spore Damage Problem
... www.emlab.com/app/fungi/Fungi.po , 'An Index of Some Commonly Encountered Fungal Genera', provided by Environmental ... Infection may have multiple sites.. mycelium. A mass of interwoven hyphae (a hypha is a filamentous part of a fungus that ... Molds reproduce by making spores. Mold spores waft through the indoor and outdoor air continually. When mold spores land on a ... Myxomycetes display characteristics of fungi and protozoans. In favorable (wet) conditions they exhibit motile, amoeba-like ...
  http://byebyemold.com/mold_glossary.php
*  Cercospora arachidicola - Wikipedia
C. arachidicola (the anamorph stage) survives as stroma or mycelium in crop residue. Primary infection usually occurs after a ... Index Fungorum USDA ARS Fungal Database Smith, Donald H. "Management of Peanut Foliar Dis". Plant Disease. 64 (4). doi:10.1094/ ... Check date values in: ,access-date= (help) Nutter, FW Jr (1995). "Management of foliar diseases caused by fungi". Peanut health ... Olatinwo, Rabiu O.; Prabha, Thara V.; Paz, Joel O.; Hoogenboom, Gerrit (2011-04-16). "Predicting favorable conditions for early ...
  https://en.wikipedia.org/wiki/Cercospora_arachidicola
*  Zoophthora - Wikipedia
... placed in conditions favorable for fungal growth, and monitored for the emergence of fungal propagules from host parts. In some ... Fungi in this taxon also use the host's body as a substrate on which to reproduce. During this process of infection, digestion ... Once these conidia contact a suitable substrate, they can then either germinate into vegetative tissue (i.e., mycelium) or ... Conidiophores Primary conidia Secondary conidia Resting spores Hyphal bodies Rhizoids Nuclei With the advent of the use of ...
  https://en.wikipedia.org/wiki/Zoophthora
*  Peronospora manshurica - Wikipedia
In order to initiate infection of its host, the pathogenic conidial spores are dispersed by wind, rain-splash, and run-off. The ... The fungi is commonly referred to as downy mildew, "leafspot", or "leaf-spot". The most visible symptoms of P. manshurica are ... Oospores, and sometimes even mycelium, surviving on plant material can also serve as the primary inoculum. After the first ... the emergence of a particularly destructive race could be detrimental to a susceptible host population under favorable ...
  https://en.wikipedia.org/wiki/Peronospora_manshurica
*  Soybean cultivar 04RM822242 - Patent # 7728205 - PatentGenius
Frog Eye Leaf Spot (FELSR) This is caused by the fungal pathogen Cercospora sojina. The fungus survives as mycelium in infected ... Infection results in less seed formed in odd shapedpods. The virus is vectored by aphids.. Bean Pod Mottle Virus (virus): The ... To test varieties for Frog Eye Leaf Spot a disease nursery is artificially inoculated with spores. The ratings are done when ... The disease is a late-season, cool-temperature, soil borne fungus which in appropriate favorable weather can cause up to 30 ...
  http://www.patentgenius.com/patent/7728205.html
*  Sclerotinia sclerotiorum - Wikipedia
Next, white fungal mycelium covers the fruit and it decays. This can occur when the fruit is in the field or when in storage. ... These sclerotia give rise to a fruiting body in the spring that produces spores in a sac which is why fungi in this class are ... The ascospores will then germinate on the host and begin to invade the host's tissues via mycelium, causing infection. S. ... When S. sclerotiorum is onset in the field by favorable environmental conditions, losses can be great and control measures ...
  https://en.wikipedia.org/wiki/Sclerotinia_sclerotiorum
*  Cranberries: The Most Intriguing Native North American Fruit
There is overlap among the fungi that cause field and storage fruit rots. However, there are also fungal species unique to each ... Protectant type fungicides applied when spores are present protect buds on new upright growth from infection and reduce the ... Disease incidence varies from year to year and is very dependent on favorable weather condition for infection. ... It was suspected that the fungus produced a mat of mycelium around the fine roots of the cranberry plant that limited the water ...
  http://www.apsnet.org/publications/apsnetfeatures/Pages/Cranberries.aspx
*  Mycosphaerella coffeicola - Wikipedia
There is conflicting information if fungal strains on berries can infect leaves and vice versa. Fungi portal List of ... After the spores land on the plant surface, one to several germ tubes are produced. The germ tubes aggregate and penetrate the ... Favorable environmental conditions around the equator are warm and humid wet seasons followed by a warm and dry season. The ... The fungus can survive 36 days as conidia and 218 days as mycelium, which suggests that M. coffeicola overwinters in lesions. ...
  https://en.wikipedia.org/wiki/Mycosphaerella_coffeicola
*  Spruce broom rust - Wikipedia
As the infection continues to grow and more sections of the tree die, new entrance ways open up for wood decaying fungi, such ... Spruce broom rust or yellow witches' broom rust is a fungal plant disease caused by the basidiomycete fungus known as ... Assuming favorable, moist environmental conditions upon the secondary host, these aeciospores germinate and the bearberry's ... forming dikaryotic mycelium and in turn dikaryotic aeciospores. From here the disease cycle repeats, and symptoms similar to ...
  https://en.wikipedia.org/wiki/Spruce_broom_rust