V2EX chlorosis

Chlorosis

释义 Definition

(尤指植物的)失绿症,黄化病:由于叶绿素不足,叶片出现发黄(常与缺铁等营养失衡、土壤条件或病害相关)。在医学语境中也可指一种与贫血相关的“萎黄病”(较旧用法)。

发音 Pronunciation (IPA)

/klross/

例句 Examples

Many houseplants develop chlorosis if they don’t get enough iron.
如果缺铁,许多室内植物会出现失绿症。

Persistent chlorosis in the young leaves can indicate high soil pH that blocks iron uptake, even when iron is present.
幼叶长期黄化可能提示土壤酸碱度偏高,阻碍植物吸收铁元素,即使土壤里并不缺铁。

词源 Etymology

来自希腊语 khlōrós(“淡绿、黄绿色”)+ -osis(表示“状态/病症”),原意指“变成黄绿色的状态”,后来用于描述叶片因缺乏叶绿素而发黄的现象。

相关词 Related Words

文学与著作 Literary Works

  • The Plant Disease Reporter(多篇关于植物营养失衡与“chlorosis/黄化”的研究与报告中频繁出现)
  • Journal of the Royal Horticultural Society(园艺实践与土壤管理相关文章中常见该词)
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