Author(s)

Jin Du, Xiuping Tian, Qiu Zhao and Chunyang Xiang

Corresponding Author

Xiuping Tian

Abstract

Abstract: The effects of salicylic acid treatment on physiological properties of melilotus of ficinalis seedlings were studied under different salt stress. The results showed that salicylic acid significantly increased the proline content in the melilotus of ficinalis seedlings under low salt stress. Salicylic acid could significantly reduce MDA content in the melilotus of ficinalis seedlings and increase the content of soluble sugar and soluble protein under various salt stresses. Salicylic acid significantly increased CAT activity in the melilotus of ficinalis seedlings under low salt stress. The SOD activity in melilotus of ficinalis seedlings treated with salicylic acid increased compared with the control group, but did not reach the significant level. Exogenous salicylic acid could significantly change the physiological characteristics of melilotus of ficinalis seedlings under salt stress, alleviate the salt stress on melilotus of ficinalis seedlings by increasing the content of osmotic substance, reducing the content of malondialdehyde, and increasing the activity of antioxidant enzyme.

Keywords

Keywords: Salt Stress; Melilotus of Ficinalis; Salicylic Acid; Seedlings; Physiological Characters