genus peronospora
English Thesaurus
1. genus of destructive downy mildews (noun.plant)
| hypernym | : | fungus genus, |
| definition | : | includes lichen genera (noun.plant) |
| member holonym | : | blue mold fungus, peronospora tabacina, |
| definition | : | fungus causing a serious disease in tobacco plants characterized by bluish-grey mildew on undersides of leaves (noun.plant) |
| member holonym | : | onion mildew, peronospora destructor, |
| definition | : | fungus causing a downy mildew on onions (noun.plant) |
| member holonym | : | peronospora hyoscyami, tobacco mildew, |
| definition | : | fungus causing a downy mildew on growing tobacco (noun.plant) |
| member meronym | : | family peronosporaceae, peronosporaceae, |
| definition | : | parasitic fungi: downy mildews (noun.plant) |
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