小麦品种贵农21抗条锈病基因的SSR标记

被引：17
|
作者：
程颖
宋伟
刘志勇
解超杰
倪中福
彭惠茹
聂秀玲
杨作民
孙其信
机构：
[1] 中国农业大学农业生物技术国家重点实验室/农业部作物基因组学与遗传改良重点开放实验室/北京市作物遗传改良重点实验室/教育部作物杂种优势研究与利用重点实验室
来源：
作物学报 | 2006年 / 12期
基金：
国家高技术研究发展计划(863计划);
关键词：
小麦; 贵农21; 抗条锈病基因; 微卫星标记;
D O I：
暂无
中图分类号：
S512.1 [小麦];
学科分类号：
摘要：
对贵农21携带的条锈病(Puccinia striiformis Westendf.sp.tritici)抗性基因进行鉴定和遗传分析,明确了贵农21携带1个抗条锈病显性单基因,暂命名为YrGn21。采用F2代抗病分离群体和集群分离分析法(BSA),建立了与YrGn21连锁的11个微卫星标记Xcau14、Xwmc49、Xgwm403、Xgdm62、Xwmc272、Xgwm459、Xbarc240、Xbarc187、Xgdm28、Xgwm11和Xgwm413,并将YrGn21定位于小麦1BS的近着丝粒区域,与位于1BS染色体上的Yr26基因具有等位性关系,为贵农21抗条锈病基因在育种中的利用,进行标记辅助选择和基因累加提供了便利。
引用
收藏
页码：1867 / 1872
页数：6
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