化控对不同密度夏玉米植株性状及产量的影响  

Effect of Density on Summer Maize Traits and Yield under Chemical Regulation

作　　者：黄汉峰 郭书亚 卢广远 

机构地区：[1]睢阳区农业技术推广中心,河南商丘476000 [2]商丘市农林科学院,河南商丘476000

出　　处：《安徽农学通报》2016年第9期37-38,共2页Anhui Agricultural Science Bulletin

基　　金：河南省现代农业产业技术体系建设专项"河南省玉米产业技术体系-商丘综合试验站"(Z2015-02-02);河南省博士后研发基地项目

摘　　要：该文以郑单958为试验材料,研究了化控措施对不同密度夏玉米植株性状及产量的影响。结果表明,在化控条件下,夏玉米产量随种植密度的增加均呈先增后减的趋势,密度为8.25万株·hm^(-2)时产量最高;化控条件下株高和穗位高降低,茎粗增加,产量比相应的清水对照增加0.58%~8.24%;化控条件下,密度为8.25万株·hm^(-2)时产量最高。＇Zhengdan 958＇ was used as the plant material,researched the effects of density on summer maize traits and yield under chemical regulation.Results showed that under the condition of chemical regulation,yields of different types of maize showed a trend of first increasing and then decreasing with the increase of density,the highest yield was 82500 plants/hm^2.Using chemical regulation could reduce the plant height and the ear height,increase the stem diameter.Compared to the relevant clean water control,the grain yield increased by 0.58%~8.24%.Under the condition of chemical regulation,the highest yield was 82500 plants/hm^2.

关 键 词：化控 密度 玉米 产量 

分 类 号：S513[农业科学—作物学]