黄绿叶突变体冀麦5265yg的光合生理特性分析

郑伟,师筝,龙美,廖允成

Photosynthetic and Physiological Characteristics Analysis of Yellow- Green Leaf Mutant in Wheat of Jimai5265yg

ZHENG Wei,SHI Zheng,LONG Mei,LIAO YunCheng

表6 不同处理条件下冀麦5265和冀麦5265yg叶片光合指标的比较

Table 6 Comparison of photosynthetic indexes in leaves of Jimai 5265 and Jimai 5265yg under different treatments

处理 Treatment 材料 Material 净光合速率 Pn (µmol·m-2·s-1) 气孔导度 Gs (mmol·m-2·s-1) 胞间CO2浓度 Ci (µmol·mol-1) 蒸腾速率 Tr (mmol·m-2·s-1) 正常光照 Normal conditions 冀麦5265 Jimai5265 20.95±1.37 0.38±0.06 286.92±17.33 7.59±0.62 冀麦5265yg Jimai5265yg 25.63±1.02* 0.66±0.13* 306.59±14.86 8.54±0.43* 遮阴10天 Shade 10 days 冀麦5265 Jimai5265 16.61±1.28 0.28±0.04 281.26±13.82 5.59±0.78 冀麦5265yg Jimai5265yg 15.51±1.38 0.22±0.07 260.59±31.60 5.16±1.36 恢复3天 Recover 3 days 冀麦5265 Jimai5265 24.27±1.98 0.56±0.14 260.04±20.35 4.37±1.21 冀麦5265yg Jimai5265yg 29.42±5.03* 0.51±0.27 217.34±70.67 3.07±0.95* 抗坏血酸处理 AsA treatment 冀麦5265 Jimai5265 25.90±1.01 0.57±0.09 295.04±15.31 9.31±0.25 冀麦5265yg Jimai5265yg 14.47±1.53* 0.33±0.11* 284.91±24.85 8.15±1.12* 二硫苏糖醇处理 DTT treatment 冀麦5265 Jimai5265 11.46±2.65 0.32±0.11 306.34±24.85 6.94±1.20 冀麦5265yg Jimai5265yg 17.51±2.52* 0.48±0.15* 294.25±20.28 10.10±1.09*