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 agriculture, they are a particular problem for growers of crucifers, grapes and vegetables that grow on vines. The prime example is Peronospora farinosa featured in NCBI-Taxonomy...
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http://en.wikipedia.org/wiki/Downy_mildew
Plant disease caused by certain members of the Peronosporales. Downy mildews are characterized by the formation of superficial hyphal growth in which, typically, individual spore-bearing structures can be distinguished.
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http://ppathw3.cals.cornell.edu/glossary/Defs_D.htm
disease of plants, especially in cool humid regions, caused by several fungi, including species of Basidiophora, Bremia, Peronospora, Phytophthora, ... [1 related articles]
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http://www.britannica.com/eb/a-z/d/71
A certain kind of mildew caused by a special fungi. Often confused with sooty mildew and powdery mildew. As with all mildews it is a problem in hot and humid weather. And, like many fungi it transports its spores. The plants affected will have fuzzy patches on the leaves.
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A plant disease in which the mycelium and spores of the fungus appear as a downy growth on the host surface; caused by fungi in the family Peronosporacae.
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Fungal disease of grape vines which kills the affected tissue. The disease is native to eastern North America and has spread to Europe and most other regions of the world.
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http://www.nebraskawines.com/wine-glossary/
[
n] - any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons
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http://www.webdictionary.co.uk/definition.php?query=downy%20mildew
false mildew noun any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons
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A fungal disease of grape vines, which kills the affected tissue. The disease is native to eastern North America and has spread to Europe and most other regions of the world. It does not occur in California because of the low humidity and lack of summer rains. Don't get smug, California; you have Powdery mildew. In every variety except Wrotham Pino...
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A vine disease, that if not controlled, adversely affects the quality of grapes. Most commonly occurs in warm, humid climates. Downy mildew infected grapes produce wines with mouldy flavours, poor colour and often with brown oxidised hues.
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Also calledany fungus of the family Peronosporaceae, causing many plant diseases and producing a white, downy mass of conidiophores, usually on the under surface of the leaves of the host plant. · a disease of plants, characterized by mildewed, distorted, and yellowed foliage, caused by any of several fungi of the family Peronosporaceae, as...
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https://www.infoplease.com/dictionary/downy-mildew
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