穗期高温对玉米子粒灌浆生理及产量的影响

付景,孙宁宁,刘天学,马俊峰,杨豫龙,赵霞,穆心愿,李潮海

The Effects of High Temperature at Spike Stage on Grain-Filling Physiology and Yield of Maize

Jing Fu,Ningning Sun,Tianxue Liu,Junfeng Ma,Yulong Yang,Xia Zhao,Xinyuan Mu,Chaohai Li

表2 高温胁迫条件下子粒灌浆特征参数

Table 2 Parameter of grain-filling under high temperature

品种Variety 处理Treatment 决定系数Coefficient of determination Tmax(d) Wmax (mg/粒) Wmax(mg/grain) Gmax [mg/(粒·d)] Gmax[mg/(grain·d)] P (d) 郑单958 Zhengdan 958 CK 0.9945 18.13b 149.30b 12.90b 34.72c T 0.9973 20.06a 140.36c 11.44c 36.81b 先玉335 Xianyu 335 CK 0.9969 16.93c 162.95a 15.21a 32.13d T 0.9939 19.77ab 143.53c 11.27c 38.20a