Self-incompatibility (SI) is a general name for any genetic mechanism that prevents self-fertilization in fertile hermaphroditic organisms, and thus encourages outcrossing and allogamy. It is contrasted with separation of sexes among individuals (dioecy), and their various modes of spatial (herkogamy) and temporal (dichogamy) separation.
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自交不親和性（Self-incompatibility），係植物的花的柱頭排斥傳至其上的同花或同株的花粉粒的現象。 不同植物實現自交不親和性的分子機制不同，植物的自交不親和性主要分爲孢子體自交不親和性和配子體自交不親和性兩大類，此外，還有一些特殊的機制，但這些特殊機制迄今鮮有科學家對其進行研究。自交不親和性在植物界中分佈廣泛，超過60%的被子植物都具有這種特性。
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).