优质籼型三系不育系先丰A的选育与应用  

Breeding and Utilization of Quality Indica CMS Line Xianfeng A in Rice

作　　者：易稳凯[1,2] 胡早德 李根深 

机构地区：[1]怀化职业技术学院,湖南怀化418000 [2]湖南省洪江先丰种业有限公司,湖南洪江418100 [3]洪江市农业局,湖南洪江418100

出　　处：《杂交水稻》2014年第4期8-9,14,共3页Hybrid Rice

基　　金：湖南省"十一五"重大科技专项(2006NK1001);湖南省科技厅项目"杂交水稻规模化高产制种技术示范与推广"(2012NK4081);湖南省教育厅科研项目"优质籼型三系不育系先丰A的异交特性及繁殖制种技术研究"(11C1016)

摘　　要：先丰A是洪江先丰种业有限公司以优ⅠB与49B杂交F3代优良单株为父本,与优IA测交和连续回交转育而成的籼型三系不育系,于2007年5月通过广西壮族自治区审定。该不育系具有米质较优、抗性较好、败育彻底、开花早而集中、异交结实率高、配合力强等特性。用先丰A配组选育的杂交稻组合先丰优034和先丰优933于2009年3月通过湖南省品种审定。Xianfeng A, developed by crossing You I A to a selected F3 plant of You I B/49B through successive selection and backcrossing over years by Hunan Hongjiang Xianfeng Seed Co. Ltd. , is a new indica CMS line in rice. It was certified by Guangxi Provincial Crop Variety Appraisal Committee in May, 2007. It shows the characteristics of complete male sterility, good grain quality, good lodging and disease resistance, high outcrossing rate with good flowering habits and high combining ability. In March, 2009, its hybrid combinations Xianfengyou 034 and Xianfengyou 933 were registered and released to commercial production by Hunan Provincial Crop Variety Appraisal Committee.

关 键 词：杂交水稻 三系不育系 先丰A 优质 选育 

分 类 号：S511.03[农业科学—作物学] S334