高产优质水稻品种新稻22产量结构分析及高产栽培技术  

Analysis on the Yield Components of High-yielding Hybrid Rice Xindao 22 and It's High-yield Cultivation Techniques

作　　者：李江伟[1] 刘贺梅[1] 胡秀明[1] 孙建权[1] 殷春渊[1] 

机构地区：[1]河南省新乡市农业科学院,河南新乡453002

出　　处：《北方水稻》2014年第1期25-27,42,共4页North Rice

基　　金：河南省重大科技专项项目"超级稻新品种选育与示范";编号091100110401

摘　　要：对水稻品种新稻22产量构成因素的分析表明,4个产量构成因素对产量贡献的大小依次为结实率、每穗总粒数、有效穗、千粒重。产量9.0 t/hm2以上的合理穗粒结构为:有效穗数347.5万/hm2,每穗总粒数132.5粒,结实率90%,千粒重25 g左右。Yield components of high-yielding hybrid rice Xindao 22 were researched and the results indicated that seed rates, grain number per panicle, effective panicles and 1000-grain weight contributed to yield. Appropriate spike-grain structure to get yield over 9.0 t/hm^2 which effective panicles were 3.475 millon/hm^2, grain number per panicle were 132.5, seed rates was 90% and 1000-grain weight was 25 g.

关 键 词：水稻 新稻22 产量构成因素 栽培技术 

分 类 号：S511[农业科学—作物学]