高异交结实率粳稻三系不育系隆17A的选育与应用  

Breeding and Application of New Japonica Rice CMS Line Long 17A with High Outcrossing Rate

作　　者：东丽[1,2,3] 张平良[1,2,3] 谢辉[1,2,3] 李志彬[1,2,3] 华泽田[1,2,3] 

机构地区：[1]国家粳稻工程技术研究中心,天津300457 [2]天津天隆种业科技有限公司,天津300457 [3]天津天隆农业科技有限公司,天津300457

出　　处：《杂交水稻》2016年第4期13-14,16,共3页Hybrid Rice

基　　金：天津市人才发展特殊支持计划

摘　　要：隆17A是天津天隆种业科技有限公司与国家粳稻工程技术研究中心联合育成的高异交结实率粳稻三系不育系,于2013年通过天津市种子管理站组织的专家鉴定。该不育系具有开颖角度大、柱头大且外露率高及柱头活力强、异交结实率高等特点。所配组合农艺性状好、制种产量高,其中隆优1715(隆17A/R1415)于2010年通过河南省品种审定。Long 17 A is a japonica rice CMS line with high outcrossing rate co-developed by Tianjin Tianlong Seed Industry Sci-tech Co. Ltd. and China National Japonica Rice Research and Development Center. In 2013,it was technically identified by Tianjin Seed Management Administration Station. Long 17 A is characteristic of wide angle of glume opening,big stigma with high exsertion rate and strong vigor,and high outcrossing rate,etc.. The F1 hybrids derived from it generally show both favorable agronomic characters and high seed production yield. Among them,Longyou 1715（ Long 17 A / R1415） was registered and released to commercial production by Henan Provincial Crop Variety Appraisal Committee in 2010.

关 键 词：粳稻 不育系 隆17A 高异交结实率 选育 

分 类 号：S511.03[农业科学—作物学] S334