powdery mildew

powdery mildew

n.

1. Any of various fungi, especially of the family Erysiphaceae, that produce powdery conidia on the host surface.

2. A plant disease caused by any of these fungi.

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powdery mildew

n

1. (Life Sciences & Allied Applications / Plant Pathology) 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.

2. (Life Sciences & Allied Applications / Plant Pathology) any of the fungi causing this disease Compare downy mildew

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powdery mildew  (poud-r)

Any of various important plant diseases caused by fungi, especially those of the family Erysiphaceae, which produce powdery conidia on the surface of the hosts leaves and stems.

Thesaurus

Noun

1.

powdery mildew - any of various fungi of the genus Erysiphe producing powdery conidia on the host surface Erysiphe, genus Erysiphe - genus of powdery mildews mildew - a fungus that produces a superficial (usually white) growth on organic matter