The effect of cold plasma DBD on growth and antioxidant enzyme activity on Basil plants

Subject Areas : Plant physiology

maryam sepasi ¹ , alireza iranbakhsh ^{2 *} , sara sadatmand ³ , Mostafa Ebadi ⁴ , Zahra Oraghi Ardebilli ⁵

1 - Faculty of Basic Science-Department of Biology.Islamic azad university science and research branch.Tehran.Iran.
2 - Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
3 - Faculty of Basic Science-Department of Biology Science and research branch,Islamic azad university,Tehran,Iran
4 - Department of Biology, College of Basic Science, Damghan Branch, Islamic Azad University, Damghan, Iran.
5 - Faculty of Basic Science-Department of Biology, Islamic azad university,Garmsar,Iran

Received: 2024-08-06 Accepted : 2024-09-28 Published : 2024-07-09

Keywords: Cold plasma, DBD, Antioxidant enzymes, Growth, Basil,

Abstract :

Sweet basil is a popular culinary herb used in food and oral care products and medical herb. Today it has become important to increase crop production to feed the growing world population. A cold atmosphere or low-pressure plasma is a potential tool to increase crop production The number of potential applications of cold plasma in agriculture has grown significantly in recent years. Cold plasma treatment is thought to be a fast, economic and pollution-free method to improve seed performance, plant growth and ultimately plant production . This study exposed plant seeds to DBD cold plasma for 45 (P1) and 90 (P2) seconds. The amount of fresh and dry weight of the plant increased significantly in the P1 treatment compared to the control, decreasing in the P2 treatment. Germination percentage remained unchanged compared to the control. Total chlorophyll increased in P1 treatment and decreased in P2 treatment. The protein contents increased by 37% and 42%, respectively, in P1 and P2 treated plants compared to the control. The soluble sugar contents in the P2-treated plants increased by 6% compared to the control, while its amount remained unchanged in the P1-treated plants compared to the control. The proline content in the P2-treated plants increased two times compared to the control, while its amount remained unchanged in the P1-treated plants compared to the control. Catalase and peroxidase enzyme activity increased in p1 and p2 treatments compared to the control. Cold plasma technology has a significant potential to increase seed and plant growth.

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