籼型三系不育系竞优A的选育  

Breeding of Indica CMS Line Jingyou A in Rice

作　　者：阎勇[1] 梁曼玲[1] 粟学俊[1] 陈彩虹[1] 

机构地区：[1]广西壮族自治区农业科学院水稻研究所,广西南宁530007

出　　处：《杂交水稻》2015年第5期8-9,共2页Hybrid Rice

基　　金：国家科技计划(2014AA10A604-20);广西区科技攻关项目(桂科攻1222009);广西"八桂学者"经费资助项目

摘　　要：竞优A是广西农科院水稻研究所以十优B/百B∥福伊B的杂交F3代优良单株为父本,与十优A测交和连续回交转育而成的籼型三系不育系,于2014年10月通过广西田间鉴定。该不育系农艺性状优良,花粉败育彻底,育性稳定,异交习性好,配合力强,易繁殖制种。所配组合竞优838优势强,米饭软,于2015年6月通过广西农作物品种审定。Jingyou A,developed from the cross of Shiyou A /（ Shiyou B / Bai B∥Fuyi B） F3,is a new indica CMS line in rice. It is characteristic of good agronomic traits,stable and complete male sterility,favorable outcrossing habits,high combining ability and easiness in multiplication and hybrid seed production. It was technically identified by Guangxi Crop Variety Appraisal Committee in October,2014. Its hybrid Jingyou 838 showed both high yield and good quality in various trials and was registered and released to commercialization by Guangxi Crop Variety Appraisal Committee in June,2015.

关 键 词：杂交水稻 三系不育系 竞优A 选育 

分 类 号：S511.03[农业科学—作物学] S334