优质水稻三系不育系永兴A的高产繁殖技术  

High-yielding Multiplication Techniques for High-quality Rice CMS Line Yongxing A

作　　者：程朝平[1] 叶新福[1] 叶宁[1] 郑向华[1] CHENG Zhaoping;YE Xinfu;YE Ning;ZHENG Xianghua(Rice Research Institute,Fujian Academy of Agricultural Sciences,Fuzhou,Fujian 350018,China)

机构地区：[1]福建省农业科学院水稻研究所,福建福州350018

出　　处：《杂交水稻》2023年第3期114-116,共3页Hybrid Rice

基　　金：福建省属公益类科研院所基本科研项目(2020R1023007);福建省农业科学院对外合作项目(DWHZ-2022-08);水稻生物学国家重点实验室开放课题(20210205);福建省人民政府中国农业科学院农业高质量发展超越“5511”协同创新工程(XTCXGC2021001)。

摘　　要：永兴A是福建省农业科学院水稻研究所选育的野败型优质水稻三系不育系,具有不育性稳定、开花习性好、异交结实率高、配合力强、米质优等特点,2021年通过福建省农作物品种审定委员会审定。根据永兴A特征特性和多年繁殖制种实践,总结了其高产繁殖技术。Yongxing A is a WA-type CMS line with good grain quality in rice,developed by the Rice Research Institute of Fujian Academy of Agricultural Sciences.It has the characteristics of stable male sterility,good flowering babits,high outcrossing rate,strong combining ability and good grain quality.In 2021,it was registered by Fujian Crop Variety Appraisal Committee.The high-yielding multiplication techniques were summarized according to the characteristics of Yongxing A and years of practice of its multiplication and hybrid seed production.

关 键 词：杂交水稻 三系不育系 永兴A 繁殖技术 

分 类 号：S511.03[农业科学—作物学] S339