直立穗长粒优质晚粳稻不育系嘉74A的选育与应用  

Breeding and Application of Late Japonica CMS Line Jia 74A with Erect Panicle,Long Grain and Fine Grain Quality in Rice

作　　者：张呈祥 李柏 陆金根[1] 高荣村[1] ZHANG Chengxiang;LI Bai;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》2024年第5期54-56,共3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);嘉兴市秀洲区种业研发专项(分子设计育种选育香型、优质稻品种)。

摘　　要：嘉74A是嘉兴市农业科学研究院以直立穗、优质、长粒型粳稻新品系嘉74B为父本、以BT型不育源供体嘉60A为母本,杂交后经多代回交转育而成的BT型早熟晚粳三系不育系,具有理想株型、直立穗、长粒、优质、制繁种性状好等特点,2022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新组合嘉优8201(嘉74A/嘉恢8201)、嘉优9370(嘉74A/浙恢9370)于2023年11月通过国家农作物品种审定委员会审定。Jia 74A,derived from the cross between BT-type japonica CMS line Jia 60A and Jia 74B,a new stable line with erect panicle,fine grain quality and long grain,is a BT-type early-maturing late japonica CMS line in rice developed by Jiaxing Academy of Agricultural Sciences through successive backcrosses over many generations.It has the characteristics of ideal plant type,erect panicle,long grain,high grain quality and good seed production and multiplication traits.In May 2022,it was registered and released by Zhejiang Provincial Crop Variety Appraisal Committee.The new hybrid combinations Jiayou 8201(Jia 74A/Jiahui 8201)and Jiayou 9370(Jia 74A/Zhehui 9370)were both registered and released for commercial production by the National Crop Variety Appraisal Committee in November 2023.

关 键 词：杂交粳稻 三系不育系 嘉74A 长粒 优质 选育 

分 类 号：S511.01[农业科学—作物学] S334