优质抗除草剂粳型三系不育系嘉89A的选育与应用  

Breeding and Application of Japonica CMS Line Jia 89A with High Quality and Herbicide Resistance in Rice

作　　者：张呈祥 姚张良 陆金根[1] 高荣村[1] ZHANG Chengxiang;YAO Zhangliang;LU Jingen;GAO Rongcun(Jiaxing Academy of Agricultural Sciences,Jiaxing,Zhejiang 314016,China)

机构地区：[1]嘉兴市农业科学研究院,浙江嘉兴314016

出　　处：《杂交水稻》2025年第2期41-44,共4页Hybrid Rice

基　　金：中国科学院A类战略性先导科技专项(XDA24030101-5);浙江省农业新品种选育重大科技专项(2021C02063-1);嘉兴市重点研究计划项目(2024BZ20006);嘉兴市科技计划项目(2024AZ10005)。

摘　　要：嘉89A是嘉兴市农业科学研究院以BT型粳稻不育源供体嘉60A为母本,以半直立穗、优质、抗除草剂粳稻新品系嘉89B为父本,测交后经多代回交转育而成的BT型中熟晚粳三系不育系,具有米质优、抗除草剂、配合力较强、柱头外露率较高、繁制种性状好等特点,2024年5月通过浙江省农作物品种审定委员会审定。利用该不育系配组育成的杂交组合嘉优12号(嘉89A/嘉恢12号)于2024年7月通过上海市农作物品种审定委员会审定。Jia 89A is a BT-type medium-maturing late japonica rice CMS line developed by Jiaxing Academy of Agricultural Sciences.It was bred by backcrossing for multiple generations after test crossing the BT-type japonica CMS line Jia 60A as the female parent with Jia 89B,a new japonica line with semi-erect panicle,fine grain quality and herbicide resistance,as the male parent.It has the characteristics of good grain quality,herbicide resistance,strong combining ability,high stigma exsertion rate and good multiplication and seed production characters.It was approved by Zhejiang Crop Variety Appraisal Committee in May,2024.The new hybrid rice combination Jiayou 12 derived from Jia 89A and Jiahui 12 was approved by Shanghai Crop Variety Appraisal Committee in July,2024.

关 键 词：杂交粳稻 不育系 嘉89A 优质 抗除草剂 选育 

分 类 号：S511.01[农业科学—作物学] S334