摘要
通过选育稻米品质优的不育系,为杂交稻配组提供熟期适中、品质优的中间育种材料。从2002年开始,用江ⅡB与中21B杂交得到的保持系与金23A测交,经过多代回交转育,育成了籼型优质不育系瑞115A。其具有育性稳定、柱头外露率高、株叶形态理想、米质优、抗病、配合力强等特点。并配组育成了优质早稻新组合瑞丰优106。
To provide the intermediate materials with medium maturity and high quality for the breeding of hybrid rice,the present study was conducted to breed high-quality male sterile rice lines.Since the year 2002,rice material Jin 23A was test-crossed with the maintainer line derived from Jiang ⅡB and Zhong 21B,and the testcross material was successively backcrossed for several generations,finally high-quality indica rice male sterile line Rui 115A was bred.Rui 115A showed the characteristics of stable fertility,high stigma exsertion rate,ideal plant and leaf shape,fine grain quality,strong disease-resistance and high combining ability.The new high-quality early rice combination Ruifengyou 106 was bred from Rui 115A.
出处
《江西农业学报》
CAS
2012年第5期10-12,共3页
Acta Agriculturae Jiangxi
基金
国家高技术研究发展计划(863计划)(2007AA10Z180)
国家科技攻关计划(2001BA507A14)
现代农业产业技术体系建设专项(2011~2015)
江西省科技支撑计划项目(2009BNA03900
20111BBF60007)
江西省重点科技成果推广计划(20112BBI90008)
关键词
杂交水稻
瑞115A
优质
选育
应用
Hybrid rice
Rui 115A
High quality
Breeding
Application
