早熟优质水稻三系不育系玺A的选育  

Breeding of CMS Line Xi A with Early Maturity and High Quality in Rice

作　　者：蔡星星[1] 周强[1] 李兴华[1] 王欢[1] 张盛[1] 周楠 CAI Xing-xing;ZHOU Qiang;LI Xing-hua;WANG Huan;ZHANG Sheng;ZHOU Nan(Huanggang Academy of Agricultural Sciences,Huanggang,Hubei 438000,China;Hubei Nongyi Biotechnology Co.,Ltd.,Huanggang,Hubei 438000,China)

机构地区：[1]黄冈市农业科学院,湖北黄冈438000 [2]湖北农益生物科技有限公司,湖北黄冈438000

出　　处：《杂交水稻》2022年第3期36-38,共3页Hybrid Rice

基　　金：湖北洪山实验室开放课题(2021hskf002);湖北省中央引导地方科技发展资金项目(2020ZYYD009);湖北省农业科技创新中心重大科技研发项目(2020-620-000-002-01);粮食作物种质创新与遗传改良湖北省重点实验室开放基金课题(2018lzjj06)。

摘　　要：玺A是黄冈市农业科学院、湖北农益生物科技有限公司、湖北省农业科学院粮食作物研究所用温229与巨风B杂交,F_(2)代与巨风B回交1次,自交加代至BC_(1)F_(4)代再与巨风A杂交并连续回交选育而成的三系不育系。该不育系株型适中,茎秆粗壮,大穗,异交习性较好,优质,生育期短,配合力强。玺A及其所配组合玺优447已于2020年通过湖北省品种审定。Xi A,derived from crossing Jufeng A to the BC_(1)F_(4)plants of(Wen 229/Jufeng B)F_(2)/Jufeng B and followed by many times of successive backcrosses,was a three-line male sterile line in rice developed by Huanggang Academy of Agricultural Sciences,Hubei Nongyi Biotechnology Co.,Ltd.and Institute of Food Crops,Hubei Academy of Agricultural Sciences.It has a good plant type,thick stems,big panicles,good flowering habits,fine grain quality,short growth duration and strong combining ability.Xi A and its hybrid combination Xiyou 447 were registered and released for commercial production in Hubei Province in 2020.

关 键 词：杂交水稻 不育系 玺A 早熟 优质 选育 

分 类 号：S511.01[农业科学—作物学] S334