优质水稻三系不育系贵A的选育与应用  

Breeding and Application of High-quality CMS Line Gui A in Rice

作　　者：顾海永[1] 王福军[1] 陈国荣[1] 梁世胡[1] 李传国[1] 李曙光[1] 罗文永[1] 曹华盛 何高[1] GU Haiyong;WANG Fujun;CHEN Guorong;LIANG Shihu;LI Chuanguo;LI Shuguang;LUO Wenyong;CAO Huasheng;HE Gao(Rice Research Institute,Guangdong Academy of Agricultural Sciences/Guangdong Provincial Key Laboratory of New Technology in Rice Breeding,Guangzhou,Guangdong 510640,China)

机构地区：[1]广东省农业科学院水稻研究所/广东省水稻育种新技术重点实验室,广东广州510640

出　　处：《杂交水稻》2023年第3期61-64,共4页Hybrid Rice

基　　金：广东省科技计划(2018B020202004);科技创新战略专项资金(高水平农科院建设)。

摘　　要：贵A是广东省农业科学院水稻研究所以优质三系保持系广8B为母本与自选保持系中间材料“(58S/天丰B//天丰B)F_(2)//增丝选/325B”杂交,之后经多代定向选择并选优良单株与广8A测交与连续回交转育而成的优质水稻三系不育系,2019年10月通过广东省农作物品种审定委员会组织的技术鉴定。该不育系具有不育性稳定、配合力强、开花习性好、闭颖性好、易繁制种等特性,已组配贵优55、贵优华占、贵优9822通过国家品种审定。Gui A,derived from the testcross of an elite single plant selected from the progeny of the cross between high-quality maintainer line Guang 8B and intermediate maintainer line"(58S/Tianfeng B/Tianfeng B)F_(2)//Zengsixuan/325B"to Guang 8A and followed by successive backcrosses,is a high-quality CMS line in rice developed by the Rice Research Institute of Guangdong Academy of Agricultural Sciences.In October 2019,it was technically identified by Guangdong Provincial Crop Variety Appraisal Committee.It has the characteristics of stable male sterility,strong combining ability,good flowering habits,good glume closure,easy multiplication and hybrid seed production,etc.The hybrid combinations of Guiyou 55,Guiyou Huazhan and Guiyou 9822,derived from Gui A,have been registered and released to commercial production by the National Crop Variety Appraisal Committee.

关 键 词：杂交水稻 三系不育系 贵A 优质 选育 

分 类 号：S511.01[农业科学—作物学] S334