优质籼粳交水稻恢复系Q恢108的选育与应用  

Breeding and Utilization of New Restorer Line Q Hui 108,an Indica-japonica Cross Progeny with Good Grain Quality in Rice

作　　者：李贤勇[1] 何永歆[1] 李顺武[1] 王楚桃 黄中伦[1] 钟世良[1] 陈世全 杨勋毅 

机构地区：[1]重庆中一种业有限公司

出　　处：《杂交水稻》2007年第5期14-16,共3页Hybrid Rice

基　　金：重庆市"十五"动植物良种创新工程(6887)

摘　　要：Q恢108是用粳稻材料IR17494-32-1-1-3-2与籼型恢复系蜀恢527杂交后再与绵恢725复交选育的籼粳交恢复系。该恢复系生长势旺,茎秆粗壮,株叶型好,生育期长,米质优,恢复力和配合力强,所配杂交组合庆优108(Q3A/Q恢108)和Q优108(Q1A/Q恢108)于2006年分别通过重庆市和国家品种审定。Q Hui 108 is a new restorer line developed by crossing a japonica line and indica restorer lines in rice. Its parentage is IR17494 - 32 - 1 - 1 - 3 - 2 （japonica） /Shuhui527 （indica） F6//Mianhui 725 （indica）. It has good plant type with thick and sturdy culms and strong growth vigor. It is a late-maturing restorer line （ about 5 days longer than Minghui 63）, and it has strong restoring ability, high combining ability and good grain quality. Its hybrids Q You 108 （Q1A/Q Hui 108） and Qingyou 108 （Q3A/Q Hui 108） had been registered and released to commercial production in 2006 by the national and Chongqing crop variety appraisal committees, respectively.

关 键 词：杂交水稻 恢复系 Q恢108 优质 选育 

分 类 号：S511.03[农业科学—作物学] S334