香型优质不育系香龙A的选育与利用  

Breeding and Utilization of High-quality Aromatic CMS Line Xianglong A in Rice

作　　者：周华 杨毅 王萍 张小波 李新昌[2,3] ZHOU Hua;YANG Yi;WANG Ping;ZHANG Xiaobo;LI Xinchang(Life Science and Technology Center,China National Seed Group Co.,Ltd.,Wuhan,Hubei 430010,China;ZhaoqingUniversity,Zhaoqing,Guangdong 526061,China;Zhaoqing Branch Center of Guangdong Laboratory for Lingnan ModernAgricultural Science and Technology,Zhaoqing,Guangdong 526238,China)

机构地区：[1]中国种子集团有限公司生命科学技术中心,湖北武汉430010 [2]肇庆学院,广东肇庆526061 [3]岭南现代农业科学与技术广东省实验室肇庆分中心,广东肇庆526238

出　　处：《杂交水稻》2023年第2期46-50,共5页Hybrid Rice

基　　金：海南省农业厅商业化育种项目;农业领域科技计划项目(2013B020301010)。

摘　　要：香龙A是用天丰B与316B杂交,系选至F7后再与316B回交1次并系选至F6,然后与天丰A测交并连续回交6代育成的香型三系不育系。该不育系具有优质、配合力好、育性稳定等特点,2016年通过广东省种子管理站组织的技术鉴定,由该不育系测配的香龙优2877、香龙优263等杂交组合已9次通过国家或省级品种审定。Xianglong A is an aromatic cytoplasmic male sterile(CMS)line in rice.It was developed by crossing Tianfeng B and 316B at first,then backcrossing once the plants from the F7 population to 316B,and finally testcrossing the plants from the F6 population to Tianfeng A followed by successive backcrossing for six generations.The sterile line has the characteristics of good grain quality,good combining ability and stable male sterility.It was technically identified by Guangdong Seed Administration Station in 2016.The hybrid combinations derived from Xianglong A,such as Xianglongyou 2877 and Xianglongyou 263,have been registered and released at the national or provincial level for nine times.

关 键 词：杂交水稻 三系不育系 香龙A 香味 优质 选育 

分 类 号：S511.01[农业科学—作物学] S334