抗病优质恢复系734的选育和应用  

Breeding and Utilization of Rice Restorer Line 734 with Good Disease Resistance and Fine Quality

作　　者：胡运高[1] 龙太康[1] 魏灵[1] 李成依[1] 王志[1] 王茂理[1] 吴凡[1] 

机构地区：[1]四川省绵阳市农业科学研究所

出　　处：《杂交水稻》1998年第2期7-9,共3页Hybrid Rice

基　　金：四川省水稻育种攻关课题

摘　　要：通过向恢复系明恢６３导入ＩＲ５３１１的抗病基因选育而成的新恢复系７３４，除高抗稻瘟病外，还具有恢复力强，配合力高，开花习性好，制种产量高，杂种优势强等优点。７３４所配组合冈优７３４、Ⅱ优７３４抗稻瘟病能力强，产量高，米质优，适应性较广，两组合于１９９７年５月通过了四川省品种审定委员会审定，具有较好的应用前景。an indica restorer in rice, was developed from the cross of Minghui 63/IR5311. It is characteristic of good disease resistance, strong restoring ability, good combining ability and high yield of hybrid seed production. Compared with Minghui 63, it has a great improvement in rice blast resistance and grain quality. Ⅱ You 734 and Gangyou 734, examined and approved for release in Sichuan Province in 1997, have a yield advantage of 5% over the check Shanyou 63, and had been grown under an area of 8 500 hectares in Sichuan Province up to 1996.

关 键 词：杂交水稻 恢复系734 选择育种 抗病 优质 

分 类 号：S511.03[农业科学—作物学]