cucumber mildew


Definition of cucumber mildew

  1. 1 :  either of two fungi destructive to cucumbers and melons: a :  a downy mildew (Peronoplasmopara cubensis) b :  a powdery mildew (Erysiphe cichoracearum)

  2. 2 :  a disease caused by cucumber mildew

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a rounded knoll or a ridge of ice

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