gray mold

noun
variants: less commonly

gray mold rot

Definition of gray mold

  1. 1a :  any of various fungal diseases of fruits, vegetables, or herbaceous plants characterized by a grayish color of the affected surfaces b :  a fungus causing such a disease (as members of the genera Botrytis and Cercospora)

  2. 2 :  downy mildew of the grape

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