优质籼型温敏核不育系玉2862S的选育与应用  

Breeding and Application of Indica TGMS Line Yu 2862S with Good Grain Quality in Rice

作　　者：犹召 周飞捷 肖晶晶 李见 廖翠猛 YOU Zhao;ZHOU Fei-jie;XIAO Jing-jing;LI Jian;LIAO Cui-meng(Hunan Minsheng Seed Science Research Institute Co.,Ltd.,Changsha,Hunan 410000,China;Hunan Longping Seed Industry Co.,Ltd.,Changsha,Hunan 410000,China;Hunan Xinglong Seed Industry Co.,Ltd.,Changsha,Hunan 410000,China)

机构地区：[1]湖南民升种业科学研究院有限公司,湖南长沙410000 [2]湖南隆平种业有限公司,湖南长沙410000 [3]湖南兴隆种业有限公司,湖南长沙410000

出　　处：《杂交水稻》2022年第4期39-42,共4页Hybrid Rice

基　　金：湖南省现代农业发展专项粮油生产稳量提质增效项目。

摘　　要：玉2862S系湖南民升种业科学研究院有限公司以广亲和籼粳中间型两系不育系福228S为母本,以抗倒性强、米质优的两系不育系和620S为父本进行杂交,后经8代系谱选择而育成的籼型温敏核不育系。该不育系具有米质优、配合力好等优点,2019年1月通过广西壮族自治区农作物品种审定委员会技术鉴定。介绍了玉2862S的选育过程、特征特性、配组表现及繁殖技术要点。Yu 2862S,derived from the cross between Fu 228S(a widely compatible indica-japonica intermediate type two-line male sterile line,as female parent)and He 620S(a two-line male sterile line with strong lodging resistance and good grain quality,as male parent),is an indica thermo-sensitive genic male sterile(TGMS)line in rice developed by Hunan Minsheng Seed Industry Research Institute Co.,Ltd.after eight generations of pedigree selection.It has the advantages of good grain quality and high combining ability.In January 2019,it was technically identified by the Crop Variety Appraisal Committee of Guangxi Zhuang Autonomous Region.The breeding process,characteristics,hybrid performance and key technical points of seed multiplication of Yu 2862S were introduced.

关 键 词：杂交水稻 两系不育系 玉2862S 优质 选育 

分 类 号：S511.01[农业科学—作物学] S334