blue mold fungus

Từ điển WordNet v3.1 - WordNet Dictionary

noun

fungus causing a serious disease in tobacco plants characterized by bluish-grey mildew on undersides of leaves
• Syn:
Peronospora tabacina
• Hypernyms:
downy mildew, false mildew
• Member Holonyms:
Peronospora, genus Peronospora