文献类型： 外文期刊
作者： Chen, Shutao 1 ; Zhu, Yiran 3 ; Li, Suyu 3 ; Hu, Yanling 3 ; Li, Yuqin 1 ; Zhao, Xueer 3 ; Huang, Lin 3 ; Wei, Zhenzhen 1 ; Feng, Lihua 1 ;
作者机构： 1.Sichuan Agr Univ, State Key Lab Crop Gene Explorat & Utilizat Southw, Chengdu 611130, Sichuan, Peoples R China
2.Sichuan Acad Agr Sci, Inst Plant Protect, Chengdu 610061, Peoples R China
3.Sichuan Agr Univ, Triticeae Res Inst, Chengdu 611130, Sichuan, Peoples R China
关键词： Wheat stripe rust; Chinese wheat landrace; Wheat 55K SNP array; KASP
期刊名称：EUPHYTICA （ 影响因子：1.7； 五年影响因子：1.8 ）
ISSN： 0014-2336
年卷期： 2025 年 221 卷 1 期
页码：
收录情况： SCI
摘要： Stripe rust is a major threat to wheat production globally. Breeding disease-resistant cultivars is the best way to control the disease. Chinese wheat landrace Tianzhenhong (TZH) displayed a high level of stripe rust resistance against prevalent Puccinia striiformis f. sp. tritici (Pst) races in China. TZH was crossed with the susceptible landrace Xiangxianhuoshao (XXHS) and subsequent filial generations were obtained. Monogenic segregation was observed in a mapping population TX-87-1 developed by selfing a segregating line from F2:3 families of XXHS/TZH, and the dominant resistance locus was tentatively designated YRTZH. A combination of bulked segregant analysis (BSA) with wheat 55K single nucleotide polymorphism (SNP) array was used to identify flanking markers linked to YRTZH. The YRTZH locus was mapped to chromosome 1BL and flanked by KASP-TZH-6 and KASP-TZH-11 within a 0.8 cM genetic interval corresponding to 20.7 Mb physical region (343.2-363.9 Mb) in the Chinese Spring genome. YrTZH is likely different from previously stripe rust resistance genes/quantitative trait loci on chromosome 1BL. The gene and associated flanking KASP markers could be useful for breeding wheat cultivars with resistance to stripe rust.
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