水杨酸提高甘草种子萌发和幼苗生长对盐胁迫耐性的效应

李润枝, 靳晴, 李召虎, 王晔, 彭真, 段留生

Salicylic acid improved salinity tolerance of Glycyrrhiza uralensis Fisch during seed germination and seedling growth stages

Run-Zhi LI, Qing JIN, Zhao-Hu LI, Ye WANG, Zhen PENG, Liu-Sheng DUAN

表3 水杨酸处理对盐胁迫下甘草幼苗叶片中氧化酶活性的影响

Table 3 Effect of salicylic acid on the antioxidant enzyme activities in G. uralensis seedling leaves under salt stress

处理 Treatment SOD活性 SOD activity (U g-1 FW) POD活性 POD activity (OD470 g-1 FW min-1) CAT活性 CAT activity (U g-1 FW min-1) CK0 64.4±4.3 a 9.0±1.1 a 27.3±1.6 b SA0 64.4±3.6 a 10.6±0.7 a 39.5±1.2 a CK100 108.2±8.1 a 13.3±0.8 a 27.6±1.2 b SA100 80.5±5.6 b 11.1±1.3 a 39.9±0.9 a CK200 130.9±7.6 a 12.3±1.0 b 27.2±2.0 a SA200 144.3±9.2 a 16.8±0.9 a 32.6±1.5 b