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单词 powdery mildew
释义

powdery mildew

noun [mass noun]
Mildew on a plant which is marked by a white floury covering consisting of conidia. Compare with downy mildew.
  • Family Erysiphaceae, subdivision Ascomycotina.
The most common viticultural problems are downy mildew, powdery mildew, botrytis bunch rot, soil erosion, and occasional spring frost in the east of the country....
  • Both powdery mildew and downy mildew often infect squash plants as autumn nights grow cooler and dew keeps the foliage moist through the night.
  • The more common ones are powdery mildew, blackspot, downy mildew and rust.
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更新时间:2024/11/14 4:07:04