不同玉米品种光合特性及青贮产量品质的差异性研究

白岚方,张向前,王瑞,王雅楠,叶雪松,王玉芬,李娟,张德健

Study on Photosynthetic Characteristics, Yield and Quality of Different Maize Varieties

Lanfang Bai,Xiangqian Zhang,Rui Wang,Ya'nan Wang,Xuesong Ye,Yufen Wang,Juan Li,Dejian Zhang

表1 各玉米品种Pn动态变化规律的差异性分析

Table 1 Analysis on the difference of net photosynthetic rate dynamic changes of different maize varieties µmol/(m2·s)

品种Variety 大喇叭口期Big trumpet 抽雄吐丝期Tasseling 灌浆初期Early grouting 灌浆中期Mid-grouting 先玉335 Xianyu 335 26.39±0.23b 40.31±0.36ab 23.08±1.27c 18.00±0.83c 利禾1号Lihe 1 30.72±2.93a 40.27±0.70ab 20.07±1.95d 16.37±1.65d 东裕120 Dongyu 120 25.35±0.74bc 34.50±1.97c 17.75±0.38d 11.56±0.37e 京科青贮301 Jingke silage 301 23.13±3.94c 41.16±1.42a 23.91±1.53bc 17.97±0.44c 金创998 Jinchuang 998 29.46±0.44a 39.45±0.50b 26.68±0.79ab 20.97±0.68b 种星青饲1号Zhongxingqingsi 1 30.13±3.23a 35.69±0.61c 28.31±5.23a 24.02±2.07a