摘要
以德利农7号为试验材料,研究不同行距及密度对夏玉米产量及其相关因素的影响。试验结果表明,不同行距条件下,玉米产量随着密度的增加规律不一致。在60和70cm行距下,玉米产量随着密度的增加呈先增加后减少的趋势。穗数、千粒重和产量方差分析显示,行距、密度及行距与密度的交互效应均达极显著水平;穗粒数方差分析结果显示,仅有密度差异的处理达到显著水平。在75和80cm行距处理下,玉米产量随着密度的增加而增加。行距75cm、密度90000株/hm2处理的玉米产量最大。
With Delinong 7 as the test material, we researched the effects of row spacing and density on grain yield and its component factors of summer maize( Zea mays L.). The results showed that the increase law of maize yield was not consistent with that of density under different row spacing. The grain yield of maize increased first and then decreased with the increase of density under the row spacing of 60 and 70 cm . The variance analysis of panicle number, 1 000-grain weight and yield showed that the interaction effects of row spacing, density and row spacing and density reached a extremely significant level. The analysis of the variance of grain number of panicle showed that only the interaction effects density reached a significant level. The grain yield of corn increased with the increase of density under the row spacing of 75 and 80 cm . The treatment of 75 cm row spacing and 90 000 plants/hm 2 density had the highest maize yield.
作者
崔丽娜
李令伟
崔延臣
张钰
禹光媛
杨连俊
董树亭
CUI Li-na;LI Ling-wei;CUI Yan-chen(Dezhou University, Dezhou, Shandong 253023;Dezhou Agricultural Bureau, Dezhou, Shandong 253000)
出处
《安徽农业科学》
CAS
2019年第13期29-31,34,共4页
Journal of Anhui Agricultural Sciences
基金
国家自然科学基金(31171497,30871476)
玉米现代产业技术体系(nyhyzx07-003)
国家重大基础研究(2011CB100105)
山东省重大农业研究项目
关键词
行距
密度
玉米
产量
Row spacing
Density
Maize ( Zea mays L.)
Yield
