河北省冀东地区9个主栽春玉米品种的灌浆特性

王健,姚丹丹,郝茹雪,于青松,韩金玲,周印富,王文颇

Grain Filling Characteristics of Nine Main Spring Corn Varieties in Eastern Hebei Province

Jian Wang,Dandan Yao,Ruxue Hao,Qingsong Yu,Jinling Han,Yinfu Zhou,Wenpo Wang

表2 不同玉米品种产量、产量构成因素等性状的相关性分析

Table 2 Correlation analysis of yield, yield components, and other traits of different maize varieties

性状 Trait 穗行数 Spike row number 行粒数 Grain number per row 千粒重 1000-grain weight 穗长 Spike length 穗粗 Ear diameter 秃尖长 Baldness length 轴粗 Axial thickness 产量 Yield 穗行数Spike row number 1.00 行粒数Grain number per row 0.42 1.00 千粒重1000-grain weight -0.20 0.60 -1.00 穗长Spike length -0.04 0.62 -0.75** -1.00 穗粗Ear diameter -0.48 0.28 -0.84** -0.59 -1.00 秃尖长Baldness length 0.12 -0.10 -0.65 -0.43 -0.53 1.00 轴粗Axial thickness -0.43 0.42 -0.83** -0.71* -0.91** -0.54 1.00 产量Yield 0.40 0.45 -0.24 -0.49 -0.23 -0.01 -0.07 1.00