高配合力早花时长粒中粳不育系常5-55A的选育及应用  

Breeding and Application of Long-grain Medium Japonica Rice CMS Line Chang 5-55A withHigh Combining Ability and Early Flowering Time

作　　者：王小虎[1] 陈天晔 任秋韵 端木李玲 潘斌清 柯瑷 唐乐尧 马刚 兰国防 王雪刚 季向东[1] 陶菊红 孙菊英[1] 端木银熙[1] WANG Xiaohu;CHEN Tianye;REN Qiuyun;DUANMU Liling;PAN Binqing;KE Ai;TANG Leyao;MA Gang;LAN Guofang;WANG Xuegang;JI Xiangdong;TAO Juhong;SUN Juying;DUANMU Yinxi(Changshu Agricultural Science Research Institute/Jiangsu Engineering Technology Research Center for Late Japonica Hybrid Rice/Changshu Branch of China National Hybrid Rice Research and Development Center,Changshu,Jiangsu 215500,China;Changshu Agricultural Technology Extension Center,Changshu,Jiangsu 215500,China)

机构地区：[1]常熟市农业科学研究所/江苏省杂交晚粳工程技术研究中心/国家杂交水稻工程技术研究中心常熟分中心,江苏常熟215500 [2]常熟市农业技术推广中心,江苏常熟215500

出　　处：《杂交水稻》2023年第6期70-74,共5页Hybrid Rice

基　　金：苏州市农业科技创新项目(SNG2021008);2021年姑苏乡土人才资助项目(农业专业类-兴农科研英才);苏州市农业科技创新重点项目(SNG2022001)。

摘　　要：常5-55A是常熟市农业科学研究所以BT型粳稻不育系A352为细胞质供体,常农粳5号/常01-11B//10B的F5代稳定品系为细胞核供体,再经多代回交转育而成的早花时、柱头外露率高、长粒型中粳不育系,具有不育性稳定、配合力强、异交结实率高等特点,2019年9月通过江苏省农作物品种审定委员会育性鉴定。利用该不育系配组的3个杂交粳稻组合常优17-22、常优粳10号、常优粳1818已通过国家或省级审定。Chang 5-55A,derived from BT-type japonica CMS line A352 as cytoplasm donor and(Changnongjing 5/Chang 01-11B//10B)F5 as nuclear donor,is a medium japonica male sterile line with early flowering time,high stigma exsertion rate and long grain developed by Changshu Agricultural Science Research Institute,Jiangsu Province through multi-generation backcross transfer.It has the characteristics of stable male sterility,strong combining ability and high outcrossing rate,and passed the fertility identification of Jiangsu Provincial Crop Variety Appraisal Committee in September 2019.Three japonica hybrid rice combinations,Changyou 17-22,Changyou Jing 10 and Changyou Jing 1818,derived from Chang 5-55A,have been registered and released by the national or provincial crop variety appraisal committees.

关 键 词：杂交粳稻 不育系 常5-55A 高配合力 早花时 选育 

分 类 号：S511.01[农业科学—作物学] S334