河南农业科学2011，Vol.40Issue(12)：48-51,4.
密度对夏玉米灌浆特性及产量的影响
The Effects of Increasing Density on Summer Grouting Characteristics and Yield
摘要
Abstract
This paper studied the summer corn Luoyu 8 and Zhengdan 958 grouting characteristics by the sui-table density (60 000 plants/ha) and increasing density by 15 000 plants/ha, in order to realize the summer high yield and source-sink coordination through controlling density. The result indicated that along with the density from 60 000 to 75 000 plants/ha, Luoyu 8 kernel dry matter increased bigger than Zhengdan 958,the day increasing peak value was bigger too,the final yield of Zhengdan 958 and Luoyu 8 increase 3. 2% and 7. 2%. At the density of 60000plants/ha,Luoyu 8 kernel dry matter increased more than Zhengdan 958, day increasing peak was lower than Zhengdan 958,and final yield was higher by 3. 0% than Zhengdan 958. At the density of 75 000 plants/ha,Luoyu 8 kernel dry matter increased more than Zhengdan 958,day increasing peak was bigger than Zhengdan 958, and final yield was higher by 7.0% than Zhengdan 958. As density is increased,the grouting gets down,Luoyu 8 is better than Zhengdan 958,and the yield is increasing.关键词
夏玉米/密度/灌浆特性/产量Key words
Summer corn/ Density/ Grain filling/ Yield分类
农业科技引用本文复制引用
孟战赢,王育红,王向阳,沈东风..密度对夏玉米灌浆特性及产量的影响[J].河南农业科学,2011,40(12):48-51,4.基金项目
国家玉米产业技术体系(nycyti0-2) （nycyti0-2）
洛阳农林科学院院长基金项目 （）
