false mildew

Synonyms:

downy mildew

Types:

Peronospora tabacina, blue mold fungus

fungus causing a serious disease in tobacco plants characterized by bluish-grey mildew on undersides of leaves

Peronospora destructor, onion mildew

fungus causing a downy mildew on onions

Peronospora hyoscyami, tobacco mildew

fungus causing a downy mildew on growing tobacco

Type of:

mildew

a fungus that produces a superficial (usually white) growth on organic matter