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QTL mapping of male sterility-related traits in a photoperiod and temperature-sensitive genic male sterile wheat line BS366

文献类型： 外文期刊

作者： Yuan, Shao-hua 1 ; Bai, Jian-fang 1 ; Guo, Hao-yu 1 ; Duan, Wen-jing 1 ; Liu, Zi-han 1 ; Zhang, Feng-ting 1 ; Ma, Jin- 1 ;

作者机构： 1.Beijing Acad Agr & Forestry, Beijing Engn Res Ctr Hybrid Wheat, Beijing, Peoples R China

2.Municipal Key Lab Mol Genet Hybrid Wheat, Beijing, Peoples R China

3.Capital Normal Univ, Coll Life Sci, Beijing, Peoples R China

关键词： gene mapping; hybrid wheat; male sterility; molecular markers

期刊名称：PLANT BREEDING （ 影响因子：1.832； 五年影响因子：1.956 ）

ISSN： 0179-9541

年卷期： 2020 年 139 卷 3 期

页码：

收录情况： SCI

摘要： The photoperiod/temperature-sensitive genic male sterile (P/TGMS) character is important for use of heterosis in hybrid wheat. In the present study, the fertility of 172 doubled haploid (DH) lines derived from the cross between a P/TGMS wheat line BS366 and a restorer wheat line Baiyu149 was investigated under both fertile and sterile environments during three cropping seasons. The phenotype was recorded based on the international seed setting rate. A total of 167 SSR and 1,278 SNP markers were used to construct a linkage map, with a total length of 3,748.94 cM and an average marker interval of 2.59 cM. Three QTLs were identified and designated as QF.bhw-2DS, QF.bhw-4BS and QF.bhw-7Al, explaining 6.9%-12.8%, 19.7%-25.6% and 7.2%-8.8% of the phenotypic variances, respectively. These results lay a good basis for application of male sterility-related molecular markers in improvement of two-line hybrid wheat breeding system.

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