不同时期灌溉对华北平原春玉米穗粒数的影响

高震, 梁效贵, 张莉, 赵雪, 杜雄, 崔彦宏, 周顺利

Effects of irrigating at different growth stages on kernel number of spring maize in the North China Plain

GAO Zhen, LIANG Xiao-Gui, ZHANG Li, ZHAO Xue, DU Xiong, CUI Yan-Hong, ZHOU Shun-Li

图3 不同时期灌水处理对春玉米穗粒数的影响 图中白色圆点为平均值; 不同字母代表处理间差异显著(P < 0.05); CK、IV6、IV12、IS、IS15分别代表不灌水对照、拔节期、大口期、吐丝期和吐丝后15 d灌水处理。

Fig. 3 Effects of irrigating at different growth stages on spring maize kernel number The white circles are mean values; different letters above the boxes are significantly different among the different treatments at the 0.05 probability level; CK, IV6, IV12, IS, and IS15 indicate the control without irrigation, irrigating when the 6th and 12th leaf collar is visible, silking stage and the 15 day after silking stage, respectively.