自交不亲和的 
self-sterile
self-incompatible
- 许多植物是雌雄同体的,但它们存在自交不亲和的机制,从而促进异花受精。
Most plants are hermaphrodite, but have mechanisms such as self-INCOMPATIBILITY that promote allogamy. - 异宗配合:指在某些藻类和真菌中,进行有性生殖时,同一个种的个体(菌系)是自交不亲和的,只能在异宗的个体之间才能完成交配。
Heterothallism A condition found in algae and fungi in which sexual reproduction occurs only between genetically different self-incompatible mating types (strains) of the same species.