氮肥对大麦灌浆期叶片光合性能的影响及其相关性分析

德木其格,刘志萍,王磊,王金波,齐海祥,徐寿军

Effect of Nitrogen Fertilizer on Photosynthetic Characteristics of Barley during Grain Filling Stage and Its Correlation Analysis

Demuqige ,Zhiping Liu,Lei Wang,Jinbo Wang,Haixiang Qi,Shoujun Xu

表4 不同氮肥处理大麦叶片Fv/Fm动态变化

Table 4 Dynamic changes of Fv/Fm in barley leaves under different fertilizer treatments

年份Year 品种Variety 处理Treatment 花后天数Days after flowering (d) 7 14 21 28 35 2017 蒙啤3号 CK 0.718±0.008c 0.782±0.007c 0.838±0.005c 0.757±0.009c 0.471±0.007c Mengpi 3 NA 0.732±0.004c 0.803±0.006b 0.853±0.007c 0.775±0.006b 0.485±0.004c NB 0.755±0.009b 0.813±0.007b 0.877±0.008b 0.786±0.008b 0.504±0.004b NC 0.782±0.005a 0.852±0.003a 0.913±0.003a 0.806±0.008a 0.532±0.007a 蒙啤5号 CK 0.713±0.009d 0.780±0.003d 0.823±0.005c 0.749±0.007c 0.455±0.008d Mengpi 5 NA 0.731±0.006c 0.802±0.008c 0.834±0.008c 0.766±0.009bc 0.467±0.009c NB 0.755±0.004b 0.822±0.003b 0.856±0.008b 0.785±0.002b 0.481±0.006b NC 0.789±0.003a 0.860±0.005a 0.901±0.006a 0.809±0.008a 0.524±0.006a 2018 蒙啤3号 CK 0.715±0.010c 0.797±0.010c 0.826±0.009c 0.746±0.008d 0.455±0.004c Mengpi 3 NA 0.729±0.003c 0.816±0.009bc 0.838±0.004c 0.764±0.006c 0.466±0.004bc NB 0.756±0.008b 0.832±0.007b 0.867±0.011b 0.781±0.010b 0.482±0.009b NC 0.793±0.010a 0.874±0.006a 0.913±0.010a 0.822±0.006a 0.521±0.009a 蒙啤5号 CK 0.711±0.005c 0.784±0.007d 0.809±0.009c 0.744±0.077c 0.460±0.008c Mengpi 5 NA 0.723±0.006bc 0.803±0.010c 0.819±0.005bc 0.755±0.010c 0.476±0.006c NB 0.743±0.008b 0.829±0.003b 0.845±0.012b 0.774±0.008b 0.500±0.006b NC 0.783±0.012a 0.868±0.008a 0.906±0.008a 0.805±0.007a 0.534±0.007a