玉米荫蔽对大豆光合特性与叶脉、气孔特征的影响

李盛蓝,谭婷婷,范元芳,杨文钰,杨峰

Effects of Maize Shading on Photosynthetic Characteristics, Vein and Stomatal Characteristics of Soybean

ShengLan LI,TingTing TAN,YuanFang FAN,WenYu YANG,Feng YANG

表1 净作和玉米荫蔽下大豆叶片光合参数

Table 1 Photosynthetic parameters of soybean leaves under monoculture and maize shading

品种 Variety 处理 Treatment 净光合速率 Pn (μmol·m-2·s-1) 气孔导度 Gs (μmol·m-2·s-1) 胞间CO2浓度 Ci (μmol·m-2·s-1) 蒸腾速率 Tr (g·m-2·h-1) 南豆12 Nandou 12 CK 27.93±0.82a 0.45±0.01a 243.00±6.53a 5.15±0.08b T1 16.73±0.66b 0.32±0.02b 237.33±8.06a 6.16±0.27a T2 15.60±0.99b 0.27±0.02c 251.67±20.17a 3.06±0.22c 桂夏3号 Guixia 3 CK 27.67±1.52a 0.43±0.02a 230.67±5.56a 4.40±0.14b T1 15.10±1.49b 0.32±0.05b 209.00±36.51a 5.33±0.32a T2 14.20±1.07b 0.22±0.02c 251.33±5.73a 2.78±0.05c F 品种Variety 2.64 8.96 0.30 38.56** 处理Treatment 289.39** 84.23** 2.84 93.37** 品种×处理Variety×Treatment 1.78 1.36 5.11 2.01