V2EX drought tolerance

Drought Tolerance

Definition / 定义

drought tolerance抗旱性;耐旱性。指植物(尤其是作物)在干旱或缺水条件下,仍能维持一定的生长、产量与生理功能的能力;也可泛指某个系统/材料对干旱环境的承受能力。

Pronunciation / 发音

/drat tlrns/(美)
/drat tlrns/(英)

Examples / 例句

This crop has good drought tolerance.
这种作物耐旱性很好。

Breeding programs aim to improve drought tolerance by selecting varieties that maintain yield under water stress.
育种项目旨在通过筛选能在水分胁迫下保持产量的品种来提高抗旱性。

Etymology / 词源

drought 源自古英语 drūgath,与“干燥(dry)”相关,表示“长期缺雨导致的干旱”。tolerance 源自拉丁语 tolerare(“承受、忍受”)。合在一起,字面意思就是“对干旱的承受能力”,在农学与生态学中常用来描述植物对缺水环境的适应与维持能力。

Related Words / 相关词

Literary Works / 文学与著作例证

  • Plant Physiology and Development(Taiz 等):在植物生理章节中讨论干旱胁迫与drought tolerance相关机制。
  • Physiological Ecology of Plants(Lambers 等):从生态生理角度讲解植物在缺水环境下的适应与耐受。
  • Guns, Germs, and Steel(Jared Diamond,《枪炮、病菌与钢铁》):在农业扩散与作物适应性的叙述中涉及耐旱作物与相关概念。
  • The Botany of Desire(Michael Pollan,《欲望植物学》):以通俗叙事方式谈到植物性状与人类选择压力,包含对抗逆/适应性(含耐旱)的讨论语境。
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