Last Updated
：2025/11/29
black canker
Noun
countable
uncountable
Japanese Meaning
1. 複数の植物病のうち、植物に黒い壊死性病斑（かんかく）を形成させる病気。 / 2. ターンリップソーフライ（Athalia rosae）の幼虫。農作物に被害を与え、見た目が黒い毛虫に似ている。
（ plural ）
Quizzes for review
Any of several plant diseases causing the formation of dark cankers. / The larva of the turnip sawfly (Athalia rosae), an agricultural pest having the appearance of a black caterpillar.
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black canker
After several rainy seasons, the orchard's pear trees were weakened by black canker, which left sunken, dark lesions on their bark.
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After several rainy seasons, the orchard's pear trees were weakened by black canker, which left sunken, dark lesions on their bark.
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