优质水稻新品种龙庆稻1号的选育及栽培技术

Breeding and Cultivation Techniques of Rice Variety "Longqingdao No.1" with High Quality

龙庆稻1号(哈04-29)是以系选1号为母本、牡丹江19为父本杂交,采用系谱法选育而成。主茎12片叶,出苗至成熟生育日数138d,需活动积温2550℃左右;综合抗性较强,两年区域试验平均产量8445.3kg/hm2,较对照品种龙稻3号增产8.0%,生产试验产量8606.7kg/hm2,较对照品种增产11.1%。米质优,达到国家优质米标准,2009年审定推广。

＂Longqingdao No.1＂ was selected by pedigree method from ＂Xixuan No.1＂ and ＂Mudanjiang No.1＂ as female and male parent,repsectively.Its number of leaves on main stem was twelve,maturation period was 138d,active accumulated temperature was 2550℃,and all kinds of integrated resistance were obviously strong.Average yield in two years regional trial and one year production trial were 8445.3 and 8606.7kg/hm^2,respectively.Average yield increase were 8% and 11.1% compared with the control ＂Longdao No.3＂,respectively,reaching the state high quality rice standard.Thus,it was examined and approved in 2009.