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词汇 parthenocarpy
释义

Definition of parthenocarpy in English:

parthenocarpy

noun ˈpɑːθɪnə(ʊ)ˌkɑːpiˈpärTHənōˌkärpē
mass nounBotany
  • The development of a fruit without prior fertilization.

    〔植〕单性结实

    Example sentencesExamples
    • Fertile plants produce >90% viable pollen and produce normal seed-bearing pods with no evidence of parthenocarpy.
    • I turned to the contribution from Koltunow, Vivian-Smith, Tucker and Paech on apomixis and parthenocarpy with a sense of anticipation, this being a former interest with which I had rather lost touch.
    • This not only provides an effective solution to the ovary abortion, but also provides an experimental system for studying fruit development, in particular, the mechanism of chemical-induced parthenocarpy.
    • Occasionally, however, a mutation occurs that allows fruit to develop from unfertilized female flowers, a process known as parthenocarpy.

Derivatives

  • parthenocarpic

  • adjective
    Botany
    • When MdPI expression is removed flowers lack both petals and stamens and parthenocarpic fruits develop.
      Example sentencesExamples
      • Sterile plants produce microspores aborted in tetrads, no visible pollen shed, and parthenocarpic pods bearing no seeds.
      • Except in parthenocarpic berries, poor pollination and fertilization of the ovules, or non-functional ovules which preclude the development of seeds, lead to poor fruit set, or coulure.
      • The closed-eye figs we grow here produce parthenocarpic fruit (produced without pollination) that is stress-sensitive. Overproduction can cause stress that triggers fruit drop.
      • The total number of pistils, parthenocarpic and seed containing siliques, and the mean number of seeds per silique were recorded.

Origin

Early 20th century: from German Parthenocarpie, from Greek parthenos 'virgin' + karpos 'fruit'.

Definition of parthenocarpy in US English:

parthenocarpy

nounˈpärTHənōˌkärpē
Botany
  • The development of a fruit without prior fertilization.

    〔植〕单性结实

    Example sentencesExamples
    • Occasionally, however, a mutation occurs that allows fruit to develop from unfertilized female flowers, a process known as parthenocarpy.
    • I turned to the contribution from Koltunow, Vivian-Smith, Tucker and Paech on apomixis and parthenocarpy with a sense of anticipation, this being a former interest with which I had rather lost touch.
    • This not only provides an effective solution to the ovary abortion, but also provides an experimental system for studying fruit development, in particular, the mechanism of chemical-induced parthenocarpy.
    • Fertile plants produce >90% viable pollen and produce normal seed-bearing pods with no evidence of parthenocarpy.

Origin

Early 20th century: from German Parthenocarpie, from Greek parthenos ‘virgin’ + karpos ‘fruit’.

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