(iii)Identifying desired plants in subsequent generations through biparental mating and selfing.
(3)兄妹交和自交选择获得预期株系。
(iii)Identifying desired plants in subsequent generations through biparental mating and selfing.
(3)兄妹交和自交选择获得预期株系。
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,是能发生随机交配和自花受而不会成为严重问题为依。
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.
要同型孢子蕨类孢子体可经由同配子体自交、异配子体交配两类配育系统或无配生殖方式产生,异配子体交配又可分为异配子体自交和异配子体异交两种方式。
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