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单词
phloem necrosis
释义
WordReference Random House Unabridged Dictionary of American English © 2024
phlo
′
em necro′sis,
[
Plant Pathol.
]
Plant Diseases
a disease of the American elm caused by a mycoplasmalike organism, characterized by yellowing and necrosis of the foliage and yellowish-brown discoloration of the phloem.
1920–25
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更新时间:2025/12/19 17:51:12