优质早籼不育系803A的选育与利用  

Breeding and Utilization of Fine Quality Indica CMS Line 803A in Rice

作　　者：谢崇华[1] 陈永军[1] 李兵伏 

机构地区：[1]西南科技大学水稻研究所,四川绵阳621000 [2]绵竹市种子公司,四川绵竹618200

出　　处：《杂交水稻》2002年第2期4-5,共2页Hybrid Rice

基　　金：四川省"九五"攻关课题 (96 10 10 10 1);四川省教委重点项目 (96 31)

摘　　要：8 0 3A系用L30 1B与地谷B的杂交后代与L30 1A回交转育而成的优质早籼不育系。其育性稳定 ,败育彻底 ,不育度和不育株率均为 10 0 % ,米质优良 ,抗稻瘟病能力较强 ,农艺性状优良 ,遗传性状稳定 ,开花习性好 ,配合力强 ,杂种一代米质好 ,产量高 ,利用前景广阔。所配组合B优 84 0和B优A is a newly developed fine quality indica CMS line in rice. Its pollen sterility and percentage of sterile plants were both 100%. It had the characteristics of good plant type, fine grain quality, favourable flowering habits, desirable agronomic characters and good combining ability. Its F 1 hybrids showed both high yield potential and good grain quality. B You 840 (803A/Mianhui 2040) and B You 838 (803A/Fuhui 838) were certified by the Crop Appraisal Committee of Sichuan Province in 2000 and 2001, respectively.

关 键 词：利用 早籼稻 不育系 803A 特征特性 选育 水稻 

分 类 号：S511.21[农业科学—作物学]