powdery mildew

pow·der·y mil·dew

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Definitions of powdery mildew words

noun powdery mildew any of various parasitic fungi of the ascomycete order Erysiphales, which produce a powderlike film of mycelium on the surface of host plants. 1
noun powdery mildew Plant Pathology. a disease caused by powdery mildew, characterized by yellowing and death of the foliage and a white mealy growth of fungus on the surface of above-ground parts. 1
noun powdery mildew fungal disease affecting plants 1
noun powdery mildew a plant disease characterized by a superficial white powdery growth on stems and leaves, caused by parasitic ascomycetous fungi of the family Erysiphaceae: affects the rose, aster, apple, vine, oak, etc 0
noun powdery mildew any of the fungi causing this disease 0
noun powdery mildew any of an order (Erysiphales) of ascomycetous fungi that are parasites on the surfaces of higher plants and produce closed fruiting bodies in a powdery mass 0

before 1885

One of the 21% newest English words

An Americanism dating back to 1885-90

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This term is known only to a narrow circle of people with rare knowledge. Only 3% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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