onion mildew

onion mildew
noun
fungus causing a downy mildew on onions
Hypernyms: ↑downy mildew, ↑false mildew
Member Holonyms: ↑Peronospora, ↑genus Peronospora

* * *

noun
1. : a downy mildew of the onion
2. : a fungus (Peronospora destructor) that causes onion mildew

Useful english dictionary. 2012.

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  • false mildew — noun any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons • Syn: ↑downy mildew • Hypernyms: ↑mildew • Hyponyms: ↑blue mold fungus, ↑Peronospora tabacina, ↑onion mildew, ↑ …   Useful english dictionary

  • downy mildew — noun any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons • Syn: ↑false mildew • Hypernyms: ↑mildew • Hyponyms: ↑blue mold fungus, ↑Peronospora tabacina, ↑onion mildew, ↑ …   Useful english dictionary

  • ЛОЖНАЯ МУЧНИСТАЯ РОСА ЛУКА, ЧЕСНОКА; ПЕРОНОСПОРОЗ ЛУКА, ЧЕСНОКА — англ.downy mildew of onion; mildew of onion нем.Mehltau, Zwiebel; Zwiebelmehtlau франц.mildiou de l oignon et de l ail возбудитель:Peronospora destructor (Berk.) Casp.; Peronospora schleidenii Unger см …   Фитопатологический словарь-справочник

  • Peronospora destructor — noun fungus causing a downy mildew on onions • Syn: ↑onion mildew • Hypernyms: ↑downy mildew, ↑false mildew • Member Holonyms: ↑Peronospora, ↑genus Peronospora …   Useful english dictionary

  • genus Peronospora — noun genus of destructive downy mildews • Syn: ↑Peronospora • Hypernyms: ↑fungus genus • Member Holonyms: ↑Peronosporaceae, ↑family Peronosporaceae • Member Meronyms: ↑ …   Useful english dictionary

  • Peronospora — noun genus of destructive downy mildews • Syn: ↑genus Peronospora • Hypernyms: ↑fungus genus • Member Holonyms: ↑Peronosporaceae, ↑family Peronosporaceae • Member Meronyms: ↑ …   Useful english dictionary

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  • fungus — fungic /fun jik/, adj. funguslike, adj. /fung geuhs/, n., pl. fungi /fun juy, fung guy/, funguses, adj. n. 1. any of a diverse group of eukaryotic single celled or multinucleate organisms that live by decomposing and absorbing the organic… …   Universalium

  • plant disease — ▪ plant pathology Introduction       an impairment of the normal state of a plant that interrupts or modifies its vital functions.       All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …   Universalium

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