冠菌素对玉米籽粒灌浆特性与淀粉合成的调控效应

鱼海跃,韩紫璇,张钰石,段留生,张明才,李召虎

Regulation of coronatine on the grain filling characteristics and starch synthesis in maize kernels

Hai-Yue YU,Zi-Xuan HAN,Yu-Shi ZHANG,Liu-Sheng DUAN,Ming-Cai ZHANG,Zhao-Hu LI

表1 冠菌素对玉米果穗性状与产量的影响

Table 1 Effect of coronatine on the ear traits and yield of maize

年份 Year 处理 Treatment 穗长 Ear length (cm) 穗粗 Ear diameter (mm) 秃尖长 Blade length (cm) 穗粒数 Kernels per ear 千粒重 1000-kernel weight (g) 产量 Grain yield (kg hm-2) 2016 对照CK 17.8 a 48.5 a 2.02 b 464.3 b 319.8 ab 9126 b COR0.1 17.5 a 48.2 a 1.89 b 471.4 b 317.7 ab 9119 b COR1.0 18.1 a 48.6 a 1.35 a 499.8 a 321.3 a 9393 a COR10 18.0 a 48.4 a 1.82 b 470.0 b 312.8 b 9165 b 2017 对照CK 16.6 a 46.3 a 0.89 a 480.0 b 288.5 ab 8375 b COR0.1 16.4 a 46.4 a 0.71 a 494.2 b 287.8 ab 8342 b COR1.0 16.7 a 46.8 a 0.57 b 521.1 a 294.3 a 8781 a COR10 16.5 a 46.5 a 0.87 a 498.4 b 278.2 b 8299 b