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downy mildew

/ˈdaʊni ˈmɪldjuː/

翻译: 由卵菌引起的一类植物病害,特征为叶片背面出现白色或灰白色霉状物,常危害农作物和观赏植物。

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phrase

/ˈdaʊni ˈmɪldjuː/C1formalscientific
  • zh由卵菌引起的一类植物病害,特征为叶片背面出现白色或灰白色霉状物,常危害农作物和观赏植物。

A type of fungal-like plant disease caused by oomycetes, characterized by white or grayish downy growth on the undersides of leaves, often affecting crops and ornamental plants.

  1. Plant diseaseC1formal

    A type of fungal-like disease affecting plants, caused by oomycetes, characterized by a white or grayish downy growth on leaves.

    zh霜霉病

    • The farmer noticed downy mildew on his grapevines.
    • Downy mildew can severely damage cucumber crops.
    • Proper ventilation helps prevent downy mildew in greenhouses.