self-sterility

常見例句

• Selfing is inhibited by genetic self incompatibility and also by the fact that within a single flower the stigma is receptive before the anthesis are ready to shed pollen.
  由于遺傳上的自交不親和性以及花中柱頭只能在花粉準(zhǔn)備撒粉以前接受花粉，因而防止了自交。
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