分子标记辅助选择培育抗条纹叶枯病香粳品种‘沪香粳106’  

Breeding of RSD-resistant and fragrant japonica variety 'Huxiangjing 106' by marker assisted selection in rice(Oryza sativa)

作　　者：吴书俊[1] 闫影[1] 张丽霞[1] 万常照[1] 龚凯 顾永平 

机构地区：[1]上海市农业科学院作物育种栽培研究所,上海201403 [2]上海市崇明区农业良种繁育推广中心,上海202150

出　　处：《上海农业学报》2017年第3期25-30,共6页Acta Agriculturae Shanghai

基　　金：上海市水稻产业技术体系建设[沪农科产字(2015)第3号];优质水稻;玉米生物育种技术研究与种质创新[沪农科种字(2016)第1-3号];上海市星火富民工程项目(14391917300)

摘　　要：为了培育抗条纹叶枯病的水稻香粳品种,以优质香型粳稻品种‘武香粳14号’为母本,高产粳稻品系‘武2699’为父本进行配组获得F_1种子,再以高产、抗条纹叶枯病的粳稻品种‘武运粳23号’为母本与‘武香粳14号’ב武2699’的F_1复交,进行聚合育种。分别利用与抗条纹叶枯病基因Stv-b^i紧密连锁的分子标记STS11-31和香味基因fgr共分离的分子标记InDel-E2对分离世代进行标记检测,聚合Stv-b^i和fgr基因。结合田间选育、抗性鉴定及香味测定,育成高产、优质、抗条纹叶枯病且农艺性状优良的水稻新品种‘沪香粳106’。In order to breed rice stripe disease （RSD）resistant and fragrant japonica rice variety, ＇ Wuxiangjing 14＇ , a high quality japonica rice variety used as the female parent, was crossed with ＇ Wu 2699＇ , a high yield japonica rice line. Further, ＇ Wuyunjing 23＇ , a high yield and resistance to RSD japonica rice variety used as the female parent, was crossed with the F1 of ＇ Wuxiangjing 14＇ × ＇ Wu 2699 ＇. After that, using two molecular makers STS11-31 linked with the RSD-resistant gene Stv-bi and InDel-E2 co-segregated with the fragrance gene fgr, the separated generation was detected and the Stv-bi and fgr were polymerized. Combining with the field breeding, resistance identification and fragrance determination, a japonica rice variety named ＇ Huxiangjing 106＇ with high yield ,fine quality ,resistance to RSD and good agronomic traits was bred.

关 键 词：水稻条纹叶枯病 香味 分子标记辅助选择 聚合育种 '沪香粳106’ 

分 类 号：S511.032[农业科学—作物学]