Meaning | Any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons. |
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Synonym | false mildew |
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Member of | Peronosporaceae, family Peronosporaceae | Parasitic fungi |
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Narrower | blue mold fungus, Peronospora tabacina | fungus causing a serious disease in tobacco plants characterized by bluish-grey mildew on undersides of leaves |
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onion mildew, Peronospora destructor | fungus causing a downy mildew on onions |
tobacco mildew, Peronospora hyoscyami | fungus causing a downy mildew on growing tobacco |
Broader | mildew | A fungus that produces a superficial (usually white) growth on organic matter |
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