selfing

Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem.

大多数关于种子园理论，是以假定能发生随机交配和花精而不会成严重问题依据。

Homosporous ferns produce sporophytes by intra gametophytic selfing, inter gametophytic mating, or apogamy.Gametangium ontogeny, genetic load, and ploidy affect the mating system of each species.

摘要同型孢子蕨类孢子可经由同配子交、异配子交配两类配育系统或以无配生式产生，异配子交配又可分异配子交和异配子异交两种式。