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nounUseful english dictionary. 2012.
Mildew — Example of downy mildew (left) along with powdery mildew on a grape leaf … Wikipedia
tobacco — tobaccoless, adj. /teuh bak oh/, n., pl. tobaccos, tobaccoes. 1. any of several plants belonging to the genus Nicotiana, of the nightshade family, esp. one of those species, as N. tabacum, whose leaves are prepared for smoking or chewing or as… … Universalium
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
Downy mildew — Example of Downy mildew (left) along with powdery mildew on a grape leaf Downy mildew refers to any of several types of oomycete microbes that are obligate parasites of plants. Downy mildews exclusively belong to Peronosporaceae. In commercial… … Wikipedia
Peronospora hyoscyami — noun fungus causing a downy mildew on growing tobacco • Syn: ↑tobacco 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
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
List of grape diseases — This article is a list of diseases of grapes (Vitis spp.). Contents 1 Bacterial diseases 2 Fungal diseases 3 Miscellaneous diseases and disorders 4 Nematodes, pa … Wikipedia
