DPC+化学封顶对不同施氮量下棉花叶片光合生理特性的影响
时晓娟1(
), 韩焕勇2,*(), 王方永2, 郝先哲1, 高宏云1, 罗宏海1,*()
), 韩焕勇2,*(), 王方永2, 郝先哲1, 高宏云1, 罗宏海1,*()
Effects of chemical topping with fortified mepiquat chloride on photosynthetic characteristics of cotton leaves under different nitrogen rates
Xiao-Juan SHI1(), Huan-Yong HAN2,*(), Fang-Yong WANG2, Xian-Zhe HAO1, Hong-Yun GAO1, Hong-Hai LUO1,*()
), Huan-Yong HAN2,*(), Fang-Yong WANG2, Xian-Zhe HAO1, Hong-Yun GAO1, Hong-Hai LUO1,*()
图1. DPC+剂量对不同施氮量下棉花叶绿素的影响
FF: 盛花期; FB: 盛铃期; BO: 吐絮期; N1: 低氮(150 kg hm-2); N2: 中氮(300 kg hm-2); N3: 高氮(450 kg hm-2); P0: 人工打顶; P1: 低剂量DPC+(450 mL hm-2); P2: 中剂量DPC+(750 mL hm-2); P3: 高剂量DPC+(1050 mL hm-2)。
Fig. 1. Effects of chemical capping on cotton chlorophyll contents under different nitrogen rates
FF: full flowering stage; FB: full bolling stage; BO: boll opening stage; N1: low N rate (150 kg hm-2); N2: middle N rate (300 kg hm-2); N3: high N rate (450 kg hm-2); P0: artificial topping; P1: low dose of DPC+ (450 mL hm-2); P2: middle dose of DPC+ (750 mL hm-2); P3: high dose of DPC+ (1050 mL hm-2).
