优质粳稻不育系辽99A的选育与应用  

Breeding and Application of Fine Grain Quality Japonica CMS Line Liao 99 A in Rice

作　　者：苏玉安[1] 王彦荣[1] 李全英[1] 郝宪彬[1] 李如海[1] 姚继攀[1] 张忠旭[1] 华泽田[1] 

机构地区：[1]北方杂交粳稻工程技术中心,辽宁沈阳110101

出　　处：《杂交水稻》2009年第4期7-8,11,共3页Hybrid Rice

基　　金：农业部科技支撑计划(2006BAD01A01-7)

摘　　要：辽99A是北方杂交粳稻工程技术中心通过多元复合杂交及多代回交筛选培育而成的BT型粳稻不育系,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。该不育系于2008年9月通过辽宁省种子管理局成果鉴定,所配组合辽优9573(辽99A/C73)于2009年1月通过辽宁省品种审定。Liao 99 A is a new BT-type japonica CMS line, which is developed with multiple crosses and successive hackcrosses by Northern China Hybrid Rice Engineering and Technology Center. It is characteristic of stable and complete male sterility, high stigma exsertion rate, good plant type, fine grain quality, disease resistances and high combining ability. Liao 99 A was technically identified by the Seed Administrative Bureau of Liaoning Province in September, 2008, and its hybrid Liaoyou 9573 （ Liao 99 A/C73 ） was certified for release to commercial production by Liaoning Provincial Crop Variety Appraisal Committee in January, 2009.

关 键 词：杂交水稻 粳稻不育系 辽99A 优质 选育 

分 类 号：S511.03[农业科学—作物学] S334