1.tobacco mildew - fungus causing a downy mildew on growing tobaccoPeronospora hyoscyamigenus Peronospora, Peronospora - genus of destructive downy mildewsdowny mildew, false mildew - any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons
tobacco mildew
noun
Synonyms for tobacco mildew
noun fungus causing a downy mildew on growing tobacco