| 单词 | powdery mildew |
| 释义 | powdery mildew 1. any of various parasitic fungi of the ascomycete order Erysiphales, which produce a powderlike film of mycelium on the surface of host plants. 2. Plant Pathol. 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. [1885-90, Amer.] |
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