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不同种植密度对洛单248产量及群体生理指标的影响

马翔龙 郭党 李小东 李建刚 韩卫红

安徽农业科学Issue(27):13304-13306,3.
安徽农业科学Issue(27):13304-13306,3.

不同种植密度对洛单248产量及群体生理指标的影响

Effects of Different Planting Densities on Yield and Population Physiological Indices of Luodan 248

马翔龙 1郭党 1李小东 1李建刚 1韩卫红1

作者信息

  • 1. 洛阳农林科学院,河南洛阳471000
  • 折叠

摘要

Abstract

[ Objective ] The purpose was to study the yield and population physiological indices of Luodan 248 under different planting densities , and provide a scientific basis for improving its yield per unit and total yield. [ Method] Five planting densities were 4.50?04 , 5. 25?10 , 6,00?0 , 6. 75?04 , 7.50?0 plants per ha resp. , and each planting density had 4 repeatitions. [ Result] Under planting density of 6.00 x 10 plants per ha, the population leaf area developed reasonably and had long duration with characteristics of fast at earlier stage, stable at middle stage, slow at later stage', and was beneficial to photosynthesis, so the dry matter increased fastest in later stage. The planting density of obtaining the theoretical maximal yield of Luodan 248 was 64 306. 3 plants per ha in western of Henan Province through analysis of yield. [ Conclusion] Luodan 248' s best planting density is 6, 00?04 plants per ha in western Henan Province.

关键词

玉米/洛单248/群体/生理指标/产量

Key words

Maize/ Luodan 248/ Population/ Physiological index/ Yield

分类

农业科技

引用本文复制引用

马翔龙,郭党,李小东,李建刚,韩卫红..不同种植密度对洛单248产量及群体生理指标的影响[J].安徽农业科学,2012,(27):13304-13306,3.

基金项目

国家农业科技成果转化资金项目“玉米新品种洛玉7号、洛单248配套技术研究与示范”(2009GB2D000224). (2009GB2D000224)

安徽农业科学

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