Noun false mildew has 1 sense
  1. downy mildew, false mildew - any of various fungi of the family Peronosporaceae parasitic on e.g. grapes and potatoes and melons
    --1 is a kind of mildew
    --1 is a member of Peronosporaceae, family Peronosporaceae
    --1 has particulars:
     blue mold fungus, Peronospora tabacina; onion mildew, Peronospora destructor; tobacco mildew, Peronospora hyoscyami
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