| NOUN | plant | downy mildew, false mildew | any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons |
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| 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 | |
| Member of | Peronosporaceae, family Peronosporaceae | Parasitic fungi |
| Narrower | blue mold fungus, Peronospora tabacina | fungus causing a serious disease in tobacco plants characterized by bluish-grey mildew on undersides of leaves |
| 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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