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小麦-柔软滨麦草易位系M853-4抗条锈病基因的分子标记
引用本文:贺苗苗,宋晓贺,王阳,姚强,李洋,井金学.小麦-柔软滨麦草易位系M853-4抗条锈病基因的分子标记[J].植物保护学报,2010,37(2):118-122.
作者姓名:贺苗苗  宋晓贺  王阳  姚强  李洋  井金学
作者单位:西北农林科技大学植物保护学院,陕西省农业分子生物学重点实验室,杨凌,712100
基金项目:教育部高等学校学科创新引智计划(B07049);公益性行业(农业)科研专项(200903035-02);国家"十一五"科技支撑计划 (2006BAD08A05)
摘    要:为揭示小麦-柔软滨麦草易位系M853-4的抗条锈性遗传机制,以易位系M853-4和感病品种铭贤169为亲本制备F2、F3代种子,采用人工接种的方法于温室中接种小麦条锈菌生理小种Su-11,用于测定M853-4及其杂交后代的苗期抗条锈性。结果表明,M853-4对Su-11的抗病性由1对显性和1对隐性基因控制。筛选由1对显性基因控制的F3代分离家系作为SSR标记群体,从320对引物中共找到了4个位于4A染色体上的与该显性基因(暂命名为YrLm2)紧密连锁的微卫星标记Xgwm44、Xwmc650、Barc170和Xwmc718,标记到YrLm2的遗传距离分别为15.0、5.0、3.9和3.1cM,并将YrLm2定位于4A染色体的长臂上,标记结果可用于小麦分子辅助育种。

关 键 词:小麦-柔软滨麦草易位系  抗条锈性  遗传分析  SSR  标记
收稿时间:6/7/2009 12:00:00 AM

Molecular mapping of stripe rust resistance gene in wheat translocation line M853-4 derived from Leymus mollis
He Miaomiao,Song Xiaohe,Wang Yan,Yao Qiang,Li Yan and Jing Jinxue.Molecular mapping of stripe rust resistance gene in wheat translocation line M853-4 derived from Leymus mollis[J].Acta Phytophylacica Sinica,2010,37(2):118-122.
Authors:He Miaomiao  Song Xiaohe  Wang Yan  Yao Qiang  Li Yan and Jing Jinxue
Institution:College of Plant Protection, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Northwest A & F University, Yangling 712100, Shaanxi Province, China;College of Plant Protection, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Northwest A & F University, Yangling 712100, Shaanxi Province, China;College of Plant Protection, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Northwest A & F University, Yangling 712100, Shaanxi Province, China;College of Plant Protection, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Northwest A & F University, Yangling 712100, Shaanxi Province, China;College of Plant Protection, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Northwest A & F University, Yangling 712100, Shaanxi Province, China;College of Plant Protection, Shaanxi Key Laboratory of Molecular Biology for Agriculture, Northwest A & F University, Yangling 712100, Shaanxi Province, China
Abstract:
Keywords:wheat-translocation line (Leymus mollis)  stripe rust resistance  genetic analysis  SSR marker
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