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单词 leaf blotch
释义

leaf blotch in American English

noun Plant Pathology
1. 
a symptom or phase of certain esp. fungal diseases of plants, characterized by necrotic discoloration of the leaves
2. 
any disease so characterized
Word origin
[1905–10]

Examples of 'leaf blotch' in a sentence
leaf blotch

Two other diseases are also hitting horse chestnuts - leaf blotch and branch dieback.Bleeding canker, leaf blotch and a 'leaf-mining' moth are attacking horse chestnut trees and could devastate the conker crop.Carefully crush the grubs within the leaf blotches or pick off badly damaged leaves.
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更新时间:2025/1/9 4:00:01