优质偏粳型水稻不育系辽73A的选育与应用  

Breeding and Application of Good Quality Japonicaclinous Male Sterile Line Liao 73A

作　　者：赵家铭[1] 王昌华[1] 张艳芝[1] 周毓珩[1] 郑文静[1] 

机构地区：[1]辽宁省农业科学院,辽宁沈阳110161

出　　处：《杂交水稻》2015年第3期23-25,共3页Hybrid Rice

基　　金：国家自然科学基金(31301636);辽宁省科学技术计划(2014201004)

摘　　要：辽73A是以BT型不育系丰锦A为母本,以辽73为父本测交并连续回交转育而成的偏粳型水稻不育系,表现不育性稳定,分蘖力强,米质优,2010年通过辽宁省农委组织的技术鉴定。该不育系配制的组合米质优,产量高,其中辽73优62(辽73A/C62)于2014年通过辽宁省品种委员会审定。Liao 73A, developed from the cross of Toyonishiki A （a BT-type CMS line） and Liao 73 and its succes- sive backerosses, is a japonieaclinous CMS Line in rice. It is characterized by stable and complete male sterility, strong tillering ability and good grain quality. Liao 73A passed through the technical identification of Liaoning Pro- vincial Rural Economy Committee in 2010. Most of the hybrids derived from Liao 73A showed high yield and good grain quality. Among them, Liao 73 You 62 （ Liao 73A/C62） was certified for release to commercial production by Liaoning Provincial Crop Variety Appraisal Committee in 2014.

关 键 词：水稻 不育系 辽73A 优质 选育 

分 类 号：S511.03[农业科学—作物学] S334