增温对玉米茎秆生长发育、抗倒性和产量的影响

刘东尧,闫振华,陈艺博,杨琴,贾绪存,李鸿萍,董朋飞,王群

Effects of Elevated Temperature on Maize Stem Growth, Lodging Resistance Characters and Yield

LIU DongYao,YAN ZhenHua,CHEN YiBo,YANG Qin,JIA XuCun,LI HongPing,DONG PengFei,WANG Qun

表5 不同处理下玉米产量与茎秆力学特性和农艺性状的相关性

Table 5 Correlation between yield and mechanical characteristics and agronomic trait in maize stalk under different treatments

品种 Cultivar 株高 Plant height 穗位高 Ear height 茎粗 Stalk width 截面惯性矩 Moment of inertia 地上部第三节间长 3rd joint length 抗推力 Thrust resistance 穿刺强度 Puncture strength 破碎强度 Crushing strength 产量Yield ZD958 -0.928** -0.961** 0.946** 0.919** -0.960** 0.957** 0.578 0.899** XY335 -0.965** -0.984** 0.923** 0.766* -0.930** 0.965** 0.557 0.238