华北农学报Issue(z1)：184-187,4.
种植密度对晚播冬小麦荧光动力学参数和产量的影响
Effect of Planting Density on Fluorescence Induction Kinetic Parameters and Yield of Winter Wheat under Late-sowing
摘要
Abstract
In order to definite a reasonable population composition of late-sowing winter wheat ,we selected Ji-mai 22 as field experimental material ,and studied the effect of planting density on fluorescence induction kinetic pa-rameters and yield of late-sowing winter wheat .The results indicated that the treatments of planting density of 300 ×10 4 -420 ×10 4/ha could improve photosynthetic function of late-sowing wheat ,and increased maximum pho-tosynthetic rate ,initial slope and the minimum half-saturated light intensity .The maximum photochemical efficiency (Fv/Fm),the PSⅡpotential activity(Fv/Fo),actual photochemical efficiency of PSⅡ(ΦPSⅡ),photo chemical quenching coefficient ( qP) and non photo chemical quenching coefficient ( qN) were higher of flag leaves and grain yield were higher in treatments of planting density of 300-420 10 4/ha.In result,the reasonable planting density could improve photosynthetic function of late-sowing wheat and increase grain yield .关键词
冬小麦/密度/晚播/荧光动力学参数/产量Key words
Winter wheat/Planting density/Late-sowing winter wheat/Fluorescence induction kinetic parame-ters/Grain yield分类
农业科技引用本文复制引用
张耀兰,曹承富,李华伟,乔玉强,赵竹,杜世州..种植密度对晚播冬小麦荧光动力学参数和产量的影响[J].华北农学报,2013,(z1):184-187,4.基金项目
“十二五”国家科技支撑计划项目 （）
