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Effects of Salicylic Acid on Physiological Characteristics of Eggplant Seedlings under Salt Stress

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DOI: 10.38007/Proceedings.0002056

Author(s)

Yameng Wang, Peijing Chen, Tianqin Shang and Xiuping Tian

Corresponding Author

Xiuping Tian

Abstract

Abstract: The salinized land area in Tianjin accounts for about 65.8% of the total land area in Tianjin. Eggplant is one of the main vegetable crops in Tianjin. The planting area and yield of eggplant affect the vegetable basket project in Tianjin. It is important to study the growth of eggplant in salinized soil. In order to utilize adequately salinized soil, the effect of salicylic acid on physiological characteristics of eggplant seedlings under salt stress was studied. The results showed that the growth of eggplant seedlings was significantly inhibited with the increase of salt concentration. The emergence rate of eggplant seeds were treated by salicylic acid was higher than that not treated by salicylic acid, the activity of superoxide dismutase, the content of proline and the content of soluble sugar by salicylic acid were significantly higher than that not treated by salicylic acid, and the content of malondialdehyde by salicylic acid was lower than that not treated by salicylic acid under salt stress. The content of superoxide dismutase, proline and soluble sugar in eggplant seedlings were accumulated by salicylic acid under salt stress, and the salt stress of eggplant seedlings was alleviated so as to improve its salt resistance. This study provided scientific basis for the rational use of salicylic acid to solve salt damage problem in eggplant cultivation.

Keywords

Keywords: Eggplant; Salt Stress; Salicylic Acid; Physiological Characteristics