利用分子标记辅助选择技术育成抗白叶枯病杂交稻协优218  

Breeding of Indica Hybrid Rice Xieyou 218 with Resistance to Bacterial Leaf Blight by Marker-Assisted Selection Technique

作　　者：彭应财[1] 李文宏 樊叶扬[1] 郑昀晔[1] 

机构地区：[1]中国水稻研究所国家水稻改良中心,浙江杭州310006 [2]丰乐种业股份有限公司,安徽合肥230031

出　　处：《杂交水稻》2003年第5期5-7,共3页Hybrid Rice

基　　金：国家"8 63"计划项目 ( 2 0 0 1AA2 410 2 4) ;国家自然科学基金资助项目 ( 3 9770 45 6) ;浙江省自然科学基金资助项目( 3 9945 5 )

摘　　要：利用分子标记辅助选择技术把白叶枯病抗性基因Xa2 1导入到强优恢复系辐恢 83 8中 ,选育出抗白叶枯病恢复系中恢2 18,组配出强优势杂交中晚稻新组合协优 2 18。该组合具有产量较高、抗白叶枯病、易制种等特性 ,于 2 0 0 2年 2月通过江西省品种审定。The Xa21 gene resistant to bacterial leaf blight(BLB) was introduced to the restorer line Fuhui 838 by the marker assisted selection(MAS) technique.A new indica restorer line Zhonghui 218 and its hybrid Xieyou 218(Xieqingzao A/ Zhonghui 218) were developed in 1999.Xieyou 218 showed a high yielding ability, a good resistance to BLB and a high yield of F 1 seed production. It was registered and released to commercial production in Jiangxi Province in February, 2002. Its yield performance,major agronomic characters, grain quality and pest resistance were introduced. The key points of its cultural management and hybrid seed production techniques were also given in this paper.

关 键 词：杂交水稻 协优218 分子标记辅助选择 Xα21 抗白叶枯病 选育 

分 类 号：S435.111.3[农业科学—农业昆虫与害虫防治] S511.035[农业科学—植物保护]