self-sterility

常见例句

• 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.
  由於遺傳上的自交不親和性以及花中柱頭衹能在花粉準備撒粉以前接受花粉，因而防止了自交。
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