冬小麦-夏玉米轮作“双晚”种植模式下的品种匹配与资源效率

闫岩, 张钰石, 刘础荣, 任丹阳, 刘洪润, 刘雪晴, 张明才, 李召虎

Variety matching and resource use efficiency of the winter wheat-summer maize “double late” cropping system

YAN Yan, ZHANG Yu-Shi, LIU Chu-Rong, REN Dan-Yang, LIU Hong-Run, LIU Xue-Qing, ZHANG Ming-Cai, LI Zhao-Hu

表7 不同玉米品种产量、穗粒数、千粒重、灌浆特征和脱水特征的相关性分析

Table 7 Correlation analysis among yield, kernel number, 1000-kernel weight, grain filling, and dehydration characteristics of different varieties

性状Trait GY KNP TKW Gmax Gmean P GMCH ADR GY 1 KNP 0.73** 1 TKW 0.33 -0.38 1 Gmax 0.63** 0.04 0.76** 1 Gmean 0.61* 0.01 0.77** 0.99** 1 P -0.14 -0.45 0.45 0.02 0.033 1 GMCH 0.34 0.04 0.32 0.51* 0.53* 0.46 1 ADR 0.35 0.68** -0.53* -0.14 -0.18 -0.68** -0.41 1