不同熟期夏玉米品种籽粒灌浆与脱水特性及其密度效应

万泽花,任佰朝,赵斌,刘鹏,董树亭,张吉旺

Grain Filling and Dehydration Characteristics of Summer Maize Hybrids Differing in Maturities and Effect of Plant Density

Ze-Hua WAN,Bai-Zhao REN,Bin ZHAO,Peng LIU,Shu-Ting DONG,Ji-Wang ZHANG

表1 不同熟期品种产量的方差分析

Table 1 Variance analysis of yield of summer maize hybrids differing in maturities

变异来源 Source of variation 自由度 Degrees of freedom 平方和 Sum of squares 均方 Mean square F值 F-value 年份 Year (Y) 1 208668.484 208668.484 2.422 种植密度 Plant density (D) 2 61116365.83 30558182.91 354.66** 品种 Hybrid (H) 3 36514182.24 12171394.08 141.262** Y×D 2 180020.645 90010.322 1.045 Y×H 3 3216329.267 1072109.756 12.443** D×H 6 94103.282 15683.88 0.182 Y×D×H 6 221641.587 36940.264 0.429 误差 Error 48 4135772.023 86161.917 总变异 Total variation 72 10710000000