V2EX de-etiolation

De-etiolation

Definition / 释义

de-etiolation(去黄化;去徒长):指植物从黑暗或弱光环境转到有光环境后,逐步恢复正常形态与生理状态的过程,例如叶片转绿(叶绿素形成)、茎变粗变短、叶片展开、光合作用能力增强等。(相关概念:etiolation 黄化/徒长

Pronunciation / 发音

/diitilen/

Examples / 例句

The seedlings began de-etiolation after a day in the sun.
这些幼苗在阳光下放了一天后开始去黄化。

When transferred from darkness to blue-rich light, the plants underwent rapid de-etiolation, showing shorter stems and increased chlorophyll production as photosynthesis switched on.
当从黑暗环境转移到富含蓝光的光照下,植物会快速去黄化:茎变短、叶绿素合成增加,光合作用随之启动。

Etymology / 词源

由前缀 de-(表示“去除、逆转”)+ etiolation(“黄化、徒长”)构成。etiolation 源自法语 étioler,与“使变得苍白/失绿”的含义相关;因此 de-etiolation字面意思是“解除黄化状态”,在植物生理学中专指“见光后恢复正常生长”的过程。

Related Words / 相关词

Literary Works / 文学与名著例证

  • Plant Physiology(Taiz & Zeiger 等,经典植物生理学教材;常在“光形态建成/去黄化”章节出现该词)
  • Biochemistry & Molecular Biology of Plants(Buchanan 等,植物分子与生化经典参考书;在光信号与叶绿体发育相关内容中出现)
  • The Arabidopsis Book(美国植物生物学家协会相关专著/综述体系;在拟南芥光信号与去黄化研究中常见该词)
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