春播地区苏玉10号高产密度的群体研究  

A Group Study of High Yield Density on Suyu10 in Spring Sowing Area

作　　者：陆虎华[1] 陈国清[1] 胡加如[1] 薛林[1] 石明亮[1] 黄小兰[1] 程玉静[1] 孙权星[1] 彭长俊[1] 陈小晖[1] 

机构地区：[1]江苏沿江地区农业科学研究所,江苏如皋226541

出　　处：《金陵科技学院学报》2011年第1期39-43,共5页Journal of Jinling Institute of Technology

基　　金：江苏省农业科技自主创新项目(cx[08]139)

摘　　要：苏玉10号种植密度试验结果表明:苏玉10号品种籽粒产量可达到12.400 t/hm2。高产群体质量的主要指标是:控制吐丝期LAI 5.04、群体干物质积累量9.000 t/hm2基础上,重点增加总粒数,提高粒叶比,提高花后干物质积累量和经济系数。籽粒产量(Y)与密度(x)的关系为Y=-301.48x2+4 158.5x-2778.7(R2=9119**),最佳密度为8.40万株/hm2。The study of plant density of Suyu10 shows that the grain yield of Suyu10 can reach 12.400 t/hm2.The main quality indexes of high yield population include focusing on increasing total grains,raising the seed-leaf ratio,and enhancing dry matter accumulation and economic coefficient after flowering on the basis of maintaining LAI 5.04 in silk period and dry matter accumulation of the populations 9.000 t/hm2.The relationship between grain yield（Y） and density（X） is： Y=-301.48x2＋4158.5x-2778.7（R2=9119＊＊）,and the best plant density is 8.40×104 plants/hm2.

关 键 词：玉米 苏玉10号 高产 密度 

分 类 号：S513[农业科学—作物学]