旱地春小麦产量对不同生育阶段温度变化的响应模拟

王钧,李广,闫丽娟,刘强,聂志刚

Simulation of Spring Wheat Yield Response to Temperature Changes of Different Growth Stages in Drylands

Jun WANG,Guang LI,LiJuan YAN,Qiang LIU,ZhiGang NIE

表5 旱地春小麦产量与不同生育阶段内平均温度的灰色关联系数

Table 5 Grey correlation coefficients between the average temperatures at different growth stages and spring wheat yield

休闲期 Fallow 播种—出苗 Sowing -Emergence 出苗—分蘖 Emergence -Tillering 分蘖—拔节 Tillering -Jointing 拔节—孕穗 Jointing- Booting 孕穗—开花 Booting- Flowering 开花—灌浆 Flowering- Grain filling 灌浆—成熟 Grain filling -Maturity 产量 Yield 休闲期 Fallow 1.000 0.711 0.719 0.702 0.709 0.716 0.708 0.726 0.641 播种—出苗 Sowing-Emergence 0.711 1.000 0.742 0.681 0.713 0.748 0.693 0.754 0.683 出苗—分蘖 Emergence-Tillering 0.718 0.742 1.000 0.720 0.741 0.739 0.691 0.708 0.652 分蘖—拔节 Tillering-Jointing 0.702 0.679 0.721 1.000 0.708 0.726 0.687 0.651 0.629 拔节—孕穗 Jointing- Booting 0.709 0.713 0.741 0.708 1.000 0.728 0.648 0.721 0.659 孕穗—开花 Booting- Flowering 0.718 0.745 0.739 0.725 0.728 1.000 0.713 0.748 0.667 开花-灌浆 Flowering-Grain filling 0.709 0.691 0.695 0.688 0.649 0.713 1.000 0.737 0.692 灌浆-成熟 Grain filling-Maturity 0.729 0.751 0.709 0.653 0.723 0.751 0.739 1.000 0.728 产量 Yield 0.637 0.688 0.659 0.631 0.669 0.671 0.698 0.731 1.000