oidium


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Related to oidium: Thamnidium

o·id·i·um

, pl.

o·id·i·a

(ō-id'ē-ŭm, ō-id'ē-ă),
Formerly used term for arthroconidium.
[Mod. L. dim. of G. ōon, egg]

oidium

(ō-ĭd′ē-əm)
n. pl. oid·ia (-ē-ə)
1. A thin-walled spore produced asexually by fragmentation in certain filamentous fungi.
2. Any of various fungi that cause powdery mildew.

oidium

Uncertain;an obsolete genus of pathogenic fungi that have been reclassified under various other genera.
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References in periodicals archive ?
Tal es el caso del Oidium turckeri (FI), Uncinula necator (FP) u oidio de la vid, que es un hongo que desarrolla sintomas en hojas, brotes, racimos florales y bayas verdes.
It has been shown that increasing the nitrogen content of tomato causes increased severity of infection by Oidium lycopersicum, but has no effect on Fusarium wilt caused by Fusarium oxysporum, while it decreases susceptibility to B.
Usharani, "Occurrence of powdery mildew on Parthenium caused by Oidium parthenii," Current Science, vol.
Ko, "Effect of Chinese herb extracts on spore germination of Oidium murrayae and nature of inhibitory substance from Chinese rhubarb," Plant Disease, vol.
Because phylloxera is native American, as are downy mildew and powdery mildew (Oidium).
Arg.], especie arborea que possui a maior capacidade produtiva de latex, ao compara-la com outras especies do mesmo genero, pode ser afetada pelo fungo fitopatogenico Oidium heveae Steinm., uma das mais importantes doencas da seringueira, o qual ocorre com maior intensidade nos paises asiaticos; porem, no Brasil, tem sido relatados surtos da doenca, principalmente no Estado de Sao Paulo (FURTADO; SILVEIRA, 1993).
Non-Viable Fungi (Spore) Air Sampling Results Spore Identifier Plenum Concentration (Spores/[m.sup.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.