籼型两系不育系191S选育与应用  

Breeding and Utilization of Indica PTGMS Line 191S in Rice

作　　者：从夕汉 阮新民[1,2,3] 施伏芝 杜弘杨[1,2,3] 罗玉祥 罗志祥[1,2,3] CONG Xi-han;RUAN Xin-min;SHI Fu-zhi;DU Hong-yang;LUO Yu-xiang;LUO Zhi-xiang(Key Laboratory of Rice Genetics and Breeding of Anhui Province,Hefei,Anhui 230031,China;Institute of Rice Research,Anhui Academy of Agricultural Sciences,Hefei,Anhui 230031,China;Hefei Branch of National Rice Improvement Center,Hefei,Anhui 230031,China)

机构地区：[1]安徽省水稻遗传育种重点实验室,安徽合肥230031 [2]安徽省农业科学院水稻研究所,安徽合肥230031 [3]国家水稻改良中心合肥分中心,安徽合肥230031

出　　处：《杂交水稻》2022年第4期43-45,共3页Hybrid Rice

基　　金：水稻遗传育种安徽省重点实验室开放基金(SDKF-2020-03);国家重点研发计划项目(2017YFD0100304);安徽省重点研究与开发计划项目(202004b11020009);安徽省自然科学基金(2008085MC104);安徽省科技重大专项(2021d06050002);合肥市关键共性技术研发项目(2021GJ072)。

摘　　要：191S系安徽省农业科学院水稻研究所以1892S为母本,与2M191(蜀恢527/9311 F6)杂交,经5 a 7代选择育成的籼型两系不育系。该不育系叶色较深,叶片内卷,株型紧凑,分蘖力中等,茎秆较粗,抗倒伏性好,不育起点温度低,异交结实率高。2015年8月通过安徽省农作物品种审定委员会鉴定。以191S为母本所配制的优质、高产籼型两系杂交稻新组合两优1976和两优1999分别于2020年通过安徽省品种审定委员会审定。191S,derived from the cross of 1892S and 2M191(the 6th generation from a cross of Shuhui 527 and 9311),is an indica photo-and thermo-sensitive genic male sterile(PTGMS)line in rice,developed by the Rice Research Institute of Anhui Academy of Agricultural Sciences after seven generations of selection over five years.It has the characteristics of good plant type,good lodging resistance,low critical temperature of fertility alteration and high outcrossing rate.It was technically identified in Anhui Province in 2015,and its F1 hybrids Liangyou 1976 and Liangyou 1999 showing high yield and good grain quality were both registered and released for commercial production by Anhui Provincial Crop Variety Appraisal Committee in 2020.

关 键 词：杂交水稻 光温敏核不育系 191S 选育 

分 类 号：S511.01[农业科学—作物学] S334