优质杂交中籼新组合丰优559的选育与应用  

Breeding and Application of the Good-quality and Middle-seasonIndica Hybrid Rice Feng-you 559

作　　者：严国红[1] 姚立生[1] 孙明法[1] 唐红生[1] 王爱民[1] 何冲宵[1] 朱国永[1] 

机构地区：[1]江苏沿海地区农业科学研究所,江苏盐城224002

出　　处：《湖北农业科学》2005年第5期26-27,共2页Hubei Agricultural Sciences

基　　金：江苏省"十五"农业科技重大攻关项目"优质高产多抗杂交籼稻组合选育"(BE2001302)

摘　　要：优质籼型三系杂交稻丰优559成株株型集散适中,株高120cm左右,主茎总叶片18～19叶。一般公顷产量为9000kg左右,抗病性强,米质各项指标均达国家3级以上优质稻标准。栽培上应围绕前期促苗早发、奠定足穗基础,中期壮秆健株促进大穗形成,后期养根保叶、提高结实率、增加粒重的原则进行调控。Feng-you559 is one good-guality indica hybrid of three lines with good plant type in mature stage shows.Its plant height is about 120cm.Its main stem has 18-19leaves.Its average yield reaches 9000kg·hm^2.It has strong resistance and all its rice quality indexes exceed national standard of third class high-quality rice.Its cultivation principle are accelerating seedling growth and establishing base to get enough ears in early stage.strengthening plant stems and forming large ears in niddle stage and keeping activity of rool and leaf and increasing bearing rate and grain weight in late stage.

关 键 词：杂交籼稻 丰优559 栽培 制种 

分 类 号：S511.21[农业科学—作物学] S511.035.1