Oidium


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Related to Oidium: Thamnidium

oidium

[ō′id·ē·əm]
(mycology)
One of the small, thin-walled spores with flat ends produced by autofragmentation of the vegetative hyphae in certain Eumycetes.

Oidium

 

a small cell into which the hypha of the mycelium of certain imperfect and club fungi disintegrates. The oidium functions as a spore for vegetative reproduction. In heterothallic club fungi, the oidium performs the function of a spermatium in diploidization of the mycelium.

References in periodicals archive ?
En el cultivar Hilacha Phyllosticta mangiferae y Oidium mangiferae fueron las especies con mayor frecuencia detectadas en hojas, mientras que Pestalotiopsis mangiferae, C.
Usharani, "Occurrence of powdery mildew on Parthenium caused by Oidium parthenii," Current Science, vol.
Dentre os diferentes tipos de clones de Hevea brasiliensis ha aqueles que sao resistentes ou suscetiveis a Oidium heveae, por isso, o uso de clones resistentes e recomendado como medida de controle a esse patogeno (GASPAROTTO et al.
Como remedio se recomendaba sulfato de hierro y el sistema Rassiguier contra la clorosis y azuframiento contra el oidium.
3]) Sample 1 Duplicate Sample algae - - Alternaria - - ascospores 75 225 basidiospores 633 633 Botrytis - - Cercospora - - Cladosporium 83 142 clear brown - - Curvularia - - Curvularia-Xike - - Dechslera/Bipolaris group - - Epicoccum - - Helicosporium / Helicomyces - - hyphal elements 8 - Monochaetia - - Nigrospora - - Oidium - - Penicillium/Aspergillus 150 83 group Peronospora - - smuts, Periconia, - - myxomycetes Torula - - unknown - - Total 949 1083 Table 6.
Tax, Erysiphe, Microsphaera, Oidium, Phyllactinia, Podosphaera, Sphaerotheca, Uncinula, Al, Ca, Co, Gr, J, Ma).
Ann, Effect of Sunflower Oil on Tomato Powdery Mildew caused by Oidium Neolycopersici.
Golovinomyces cichoracearum presenta micelio septado (fraccionado) y conidioforos del tipo oidium en su estado asexual o anamorfico; los conidioforos sostienen generalmente mas de dos conidios en cadena y presentan una base retractil originada del micelio que se pronuncia en angulo de 90.
Investigations about the genetic resources of grapes with regard to resistance characteristics to powdery mildew, Oidium tuckeri.
The disease is caused by a fungus called Oidium Mangiferae and its germs appears as white powder that can easily be identified by farmers on the leaf, soft branches and flowers.