种植密度对不同株型玉米冠层光能截获和产量的影响

柏延文,杨永红,朱亚利,李红杰,薛吉全,张仁和

Effect of planting density on light interception within canopy and grain yield of different plant types of maize

Yan-Wen BAI,Yong-Hong YANG,Ya-Li ZHU,Hong-Jie LI,Ji-Quan XUE,Ren-He ZHANG

表5 物质转运、光能截获和籽粒形成参数的相关性分析

Table 5 Correlation analysis of dry matter transfer, light interception, and kernels formation

项目 Item 光能截获率 The fraction of light interception H1 H2 H3 H4 籽粒产量 Grain yield -0.101 0.020 0.631* 0.465* 平均灌浆速率 Average grain-filling rate 0.782** 0.803** 0.859** 0.541** 花后干物质积累量 Dry matter accumulation after silking -0.302 0.205 0.661** 0.527** 花后干物质转运量 Transfer amount of dry matter 0.478* 0.369 0.689* 0.696**