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Physiological Response of Salicylic Acid on Physiological Characteristics of Orychophragmus Violaceus Seeding under Salt Stress

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DOI: 10.38007/Proceedings.0001933

Author(s)

Jin Du, Chunyang Xiang, Qiu Zhao, Shanshan Xi, Tianyi Yu and Ke Wang

Corresponding Author

Chunyang Xiang

Abstract

Abstract: The effects of salicylic acid treatment on physiological properties of orychophragmus violaceus seedlings were studied under different salt stress. The results showed that the salt concentration was 0.03%, 0.20%, 0.35% and 0.53%, the soluble sugar content of orychophragmus violaceus seedlings treated with salicylic acid were increased by 20.44%, 13.47%, 11.67% and 10.66% respectively compared with the control group. The soluble protein in orychophragmus violaceus seedlings treated with salicylic acid increased significantly compared with the control group. Under salt content of 0.2% and 0.35% by the salicylic acid treatment, the content of proline in orychophragmus violaceus seedlings increased significantly compared with that of untreated ones. Salicylic acid could significantly reduce malondialdehyde content in the orychophragmus violaceus seedlings under salt stress. Under salt content of 0.35% and 0.50%, salicylic acid significantly increased superoxide dismutase activity in the orychophragmus violaceus seedlings. Exogenous salicylic acid could significantly change the physiological characteristics in orychophragmus violaceus seedlings under salt stress, and alleviate the salt stress.

Keywords

Keywords: Salicylic Acid; Salt Stress; Orychophragmus Violaceus; Seedlings; Physiological Characters