| 释义 |
powdery mildew
noun[ U ]
uk /ˌpaʊ.dər.i ˈmɪl.djuː/ us /ˌpaʊ.dɚ.i ˈmɪl.duː/
a plant disease in which the leaves and stems are covered in a white powder-like substance caused by a fungus(= organism that gets its food from decaying material or other living things):
This crop is more resistant than wheat to powdery mildew and other fungal infections.
If the plants are too close together, they may succumb to diseases such as powdery mildew.
The crops are treated with fungicides to control powdery mildew.
The imported vines brought with them diseases such as powdery mildew.
These strawberries are resistant to powdery mildew, a common problem with many summer-fruiting varieties.
An outbreak of powdery mildew destroyed their first crop.
SMART Vocabulary: related words and phrases
Plant pathology
anthracnose
antifungal
apple scab
ash dieback
auxin
canker
downy mildew
dry rot
Dutch elm disease
etiolated
excrescence
fungicidal
leaf rust
leaf scorch
leaf spot
nodal
organophosphate
pesticide
scald
sterility
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downy mildew
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