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2 水杨酸处理对盐胁迫下甘草种子氧化酶活性的影响

Table 2 Effect of salicylic acid on the antioxidant enzyme activities in G. uralensis seeds 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 14±1.3 c 33±1.8 c 2.3±0.2 c SA0 16±1.2 c 25±1.7 d 2.5±0.2 c CK200 58±3.6 a 56±2.7 b 4.1±0.3 a SA200 35±2.0 b 67±3.7 a 3.2±0.2 b