Vi fant 1 definisjoner av onion mildew på engelsk.
Noun |
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| onion mildew - fungus causing a downy mildew on onions | ||
| Peronospora destructor | ||
| downy mildew, false mildew any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons | ||