水稻籼型光温敏核不育系天源903S的选育与利用  

Breeding and Utilization of Indica PTGMS Line Tianyuan 903S in Rice

作　　者：黄兴国 王井章 阳菁 陈志银 蔡明学 李从朗 HUANG Xing-guo;WANG Jing-zhang;YANG Jing;CHEN Zhi-yin;CAI Ming-xue;LI Cong-lang(Wuhan Wuda Tianyuan Biotechnology Co.,Ltd.,Wuhan,Hubei 430072,China)

机构地区：[1]武汉武大天源生物科技股份有限公司,湖北武汉430072

出　　处：《杂交水稻》2022年第2期36-37,40,共3页Hybrid Rice

基　　金：湖北省武汉市科技局重大科技专项(201302080301413)。

摘　　要：水稻籼型光温敏核不育系天源903S是以早籼型光温敏核不育系HD9802S为母本、中籼型光温敏核不育系华201S为父本杂交,经多代选育和低温筛选育成的水稻早籼型光温敏核不育系,2015年8月通过湖北省种子管理局组织的技术鉴定。该不育系育性转换特性稳定,开花习性和品质性状好,繁殖和制种产量高。利用其配制的杂交晚稻组合天两优953(天源903S/R53)表现优质、高产,于2016年6月通过湖北省品种审定。Tianyuan 903S,derived from the cross between the early indica-type photo-thermo-sensitive genic male sterile(PTGMS)line HD9802S as the female parent and the medium indica-type PTGMS line Hua 201S as the male parent,is an early indica-type PTGMS line in rice developed through the pedigree selection with low temperature stress over years.It passed the technical appraisal organized by Hubei Seed Administration in August 2015.It is of stable fertility alteration characteristic,good flowering habits and grain quality characters,high yield in multiplication and hybrid seed production.Tianliangyou 953,a late hybrid rice combination derived from Tianyuan 903S and R53,has good grain quality and high yield and was registered and released for commercial production in Hubei Province in June 2016.

关 键 词：杂交水稻 两系不育系 天源903S 优质 选育 

分 类 号：S511.01[农业科学—作物学] S334