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单词 powdery scab
释义

powdery scab

noun

: a disease of potato tubers caused by a fungus (Spongospora subterranea) and characterized by nodular discolored lesions which at maturity burst to expose a powdery mass of spores in circular pits surrounded by the lighter colored frayed remnants of the skin of the tuber

called also pock scab

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更新时间:2024/11/13 10:05:29