有些植物演化出了自花不亲和（self-incompatibility）的系统来阻止自我受粉的可能，但其中的机制一直是个谜。现在科学家终于搞懂了其中一些奥妙。
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不亲和性 [农学] incompatibility ; sporophytic incompatibility ; gametophytic self-incompatibility ; sporophytic self -incompatibility
自交不亲和性 [植] self-incompatibility ; self incompatibity ; autoincompatibility ; gametophytic self-incompatibility
不亲和的 incompatible
核质不亲和性 [遗] nucleo-cytoplasmic incompatibility
异态不亲和 heteromorphic incompatibility
单倍体不亲和性 haploid incompatibility
嫁接不亲和性 graft incompatibility ; graft
配子体不亲和性 gametophytic incompatibility
二倍体不亲和性 diploid incompatibility
试验结果表明多数自交系为自交不亲和。
Results showed that most of the inbred lines were self-incompatible.
因此，自交不亲和的分子机理和遗传规律都非常复杂。
Therefore, to understand the complex molecular mechanism and genetic is very important and interesting.
在禾本科的自交不亲和系统中，糖蛋白抑制细胞壁的形成。
In the grass system, wall formation is inhibited by glycoproteins.
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