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⇱ downy mildew - WordReference.com Dictionary of English


WordReference Random House Unabridged Dictionary of American English © 2026
down′y mil′dew, 
    1. FungiAlso called false mildew. any fungus of the family Peronosporaceae, causing many plant diseases and producing a white, downy mass of conidiophores, usually on the under surface of the leaves of the host plant.
    2. Plant Diseasesa disease of plants, characterized by mildewed, distorted, and yellowed foliage, caused by any of several fungi of the family Peronosporaceae, as of the genera Peronospora and Phytophthora.
    • 1885–90

'downy mildew' also found in these entries (note: many are not synonyms or translations):

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