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Classification and Identification of indica P/TGMS Lines in China

文献类型： 外文期刊

作者： Zhang Mengchen 1 ; Wang Shan 1 ; Yan Jianfang 2 ; Sun Shuiyong 1 ; Xu Xin 1 ; Xu Qun 1 ; Yuan Xiaoping 1 ; Wei Xinghua 1 ; Y 1 ;

作者机构： 1.China Natl Rice Res Inst, State Key Lab Rice Biol, Hangzhou 310006, Zhejiang, Peoples R China

2.Seeds Adm Ctr Zhejiang Prov, Hangzhou 310016, Zhejiang, Peoples R China

期刊名称：RICE SCIENCE （ 影响因子：3.333； 五年影响因子：4.226 ）

ISSN： 1672-6308

年卷期： 2019 年 26 卷 3 期

页码：

收录情况： SCI

摘要： Despite extensive studies on cultivated rice, the population structure and genetic diversity of the indica photoperiod- and thermo-sensitive genic male sterility (P/TGMS) lines in China remains unclear. Using 48 simple sequence repeat (SSR) markers, we genotyped a panel of 208 indica P/TGMS lines and confirmed three subgroups, named indica-I, indica-II and indica-III, in indica P/TGMS lines. Further diversity analysis indicated indica-II had the highest genetic diversity. The genetic differentiation between indica-II and indica-III was demonstrated as the largest among the three subgroups. Moreover, indica/japonica component identification was detected that five P/TGMS lines possess indica components less than 0.900. These results improve our knowledge on the genetic background for P/TGMS lines in China and will be beneficial for hybrid rice breeding programs.

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