Identification of microsatellite markers linked to powdery mildew resistance gene Pm2 in wheat
文献类型: 外文期刊
第一作者: Qiu, Y. C.
作者: Qiu, Y. C.;Sun, X. L.;Zhou, R. H.;Kong, X. Y.;Zhang, S. S.;Jia, J. Z.
作者机构:
关键词: Triticum aestivum L.;Pm2;microsatellite;marker-assisted selection
期刊名称:CEREAL RESEARCH COMMUNICATIONS ( 影响因子:0.85; 五年影响因子:1.067 )
ISSN: 0133-3720
年卷期: 2006 年 34 卷 4 期
页码:
收录情况: SCI
摘要: The powdery mildew resistance gene Pm2 is effective in China. Bulked segregant analysis (BSA) was used to search for microsatellite markers linked to Pm2. Twenty-one microsatellite primer pairs located on chromosome 5DS were screened; three polymorphic loci Xcfd81-5DS, Xgwm190-5DS, and Xcfd18-5DS were linked to Pm2 using an F-2 population from Chinese Spring x CI14118 (with Pm2) consisting of 814 individuals. The genetic distances between Pm2 and the three markers were: 2.0cM, 34.2cM and 44.2cM, respectively. Microsatellite marker Xcfd81-5DS could be used in marker assisted selection for Pm2 provided any chosen Pm2 source also carries the relevant marker.
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