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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

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.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
[...] desde 1845, epoca en que fue por primera vez reconocido el Oidium en Inglaterra, las crisis que han experimentado la viticultura y las vicisitudes a que ha estado sometida, no tienen ejemplo en la historia de las demas plantas cultivadas.
2008), powdery mildew (Oidium neolycopersici) (Kiss), late blight (Phytophthora infestans) [Mont.
The resistance of the variety to mildew, oidium and frost is still being studied.
Prodiplosis longifila (liendrilla) y Oidium lycopersicum (oidio) no estuvieron presentes en S.
syringae and Oidium. lycopersicum, in which it increased significantly with increasing N concentration, but in case of B.
Satyaprasad and Usharani [57] reported powdery mildew causing Oidium parthenii on parthenium at Hyderabad.
It has been reported that the aqueous extracts of Coptis chinensis (goldthread), Polygonum cuspidatum (Japanese knotweed), Cinnamomum cassia (cinnamon), Rheum officinale (Chinese rhubarb), Polygonum multiflorum, and Eugenia caryophyllata (clove) showed inhibitory effects on conidial germination of Oidium murrayae [3].