数字农科院2.0

Analysis of SSRs Uncovers Hierarchical Structure and Genetic Diversity in Chinese Soybean Landraces

文献类型： 外文期刊

作者： Li Ying-hui;Chang Ru-zhen;Qiu Li-juan;Smulders, Marinus J. M.

作者机构：

关键词： soybean;landrace;hierarchical structure;diversity

期刊名称： AGRICULTURAL SCIENCES IN CHINA

ISSN： 1671-2927

年卷期： 2010 年 9 卷 12 期

页码：

收录情况： SCI

摘要： For clarifying the hierarchical patterns of population structure of soybean landraces in China, the seven clusters previously identified using Bayesian clustering of 1 504 soybean landraces based on SSR markers genotyping data were further analyzed Using the largest value of Delta K, these landraces could be split into 20 sub-clusters, which was supported by highly significant pairwise F(st)-values and generally in accordance with the geographic origin and sowing types The autumn-sowing types ended up in one distinct sub-cluster from the otherwise summer-sowing type, where the autumn-sowing types are most likely derived from The division into 20 sub-clusters explained 7 3% of the genetic variation, next to 9 7% present among the seven clusters, 81 1% residing among landraces within sub-clusters, and 1 9% within the landraces The distribution pattern of genetic diversity among the sub-clusters of each cluster was uneven, with two HSuM sub-clusters (Central China) and some South China sub-clusters showing significantly higher level of genetic diversity

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