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单词 self-incompatible
释义

Definition of self-incompatible in English:

self-incompatible

adjective
Botany
  • (of a plant or species) unable to be fertilized by its own pollen.

    〔植〕(植物,物种)不能自花授粉的,自交不亲和的

    Example sentencesExamples
    • However, there are a significant number of exceptions to the UI ‘rule’ that pistils of self-incompatible taxa inhibit pollen from self-compatible taxa.
    • Many plant species are capable of self-fertilization and even highly self-incompatible species may show varying levels of self-fertility.
    • In particular, seed and fruit production of self-incompatible species rely on flowering times of compatible genotypes overlapping, with important economic consequences for agriculture.
    • Clusters of genetically identical plants, for example, limit the number of mates available to self-incompatible species with limited pollen dispersal.
    • Ideally seed orchards should contain only self-incompatible trees to eliminate production of selfed seed.

Derivatives

  • self-incompatibility

  • noun
    Botany
    • They may also have roles in pollen tube self-incompatibility and in plant defence responses.
      Example sentencesExamples
      • On the other hand, recent studies have pointed out the existence of late-acting self-incompatibility, in which self-pollen rejection occurs after the pollen tubes enter the ovary.
      • Gametophytic self-incompatibility is a widespread mechanism in flowering plants that prevents self-fertilization and promotes out-crossing.
      • This cryptic self-incompatibility may effectively reduce geitonogamous self-fertilization, because stigmas probably receive outcross and geitonogamous pollen simultaneously.
      • It is reasonable to conclude that there are at least three separate origins of gametophytic self-incompatibility in angiosperms.

Definition of self-incompatible in US English:

self-incompatible

adjective
Botany
  • (of a plant or species) unable to be fertilized by its own pollen.

    〔植〕(植物,物种)不能自花授粉的,自交不亲和的

    Example sentencesExamples
    • However, there are a significant number of exceptions to the UI ‘rule’ that pistils of self-incompatible taxa inhibit pollen from self-compatible taxa.
    • Clusters of genetically identical plants, for example, limit the number of mates available to self-incompatible species with limited pollen dispersal.
    • Ideally seed orchards should contain only self-incompatible trees to eliminate production of selfed seed.
    • In particular, seed and fruit production of self-incompatible species rely on flowering times of compatible genotypes overlapping, with important economic consequences for agriculture.
    • Many plant species are capable of self-fertilization and even highly self-incompatible species may show varying levels of self-fertility.
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更新时间:2025/1/14 6:49:16