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Germination, Physicochemical Properties, and Antioxidant Enzyme Activities in Kangkong (Ipomoea aquatica Forssk.) Seeds as Affected by Dielectric Barrier Discharge Plasma
Open accessAbstract
Dielectric barrier discharge (DBD) plasma has been utilized as a sustainable technology to enhance seed germination in various plant species. The objective of this research was to identify the mechanism of physicochemical properties and antioxidant enzyme activities to promote kangkong (Ipomoea aquatica Forssk.) seed germination using different durations of DBD plasma treatments. Seeds were exposed to atmospheric DBD plasma from 5 to 20 min, compared to non-treated seeds as the control. According to SEM images, the seed surface had cracks and grew wider as a result of the prolonged DBD plasma treatments. A longer DBD plasma treatment exhibited a lower water contact angle and increased water absorption. DBD plasma treatments strongly improved germination percentages and hydrogen peroxide (H2O2) contents. Seeds treated with DBD plasma for 20 min showed the highest malondialdehyde (MDA) content and the lowest field emergence. Catalase (CAT) activity increased under DBD plasma treatments for 5 and 10 min. Ascorbate peroxidase (APX) and superoxide dismutase (SOD) activities were not statistically different among the treatments. This finding suggested that DBD plasma treatments stimulated the germination of kangkong seeds by modifying the seed surface, and upregulating H2O2 content and CAT activity. Five minutes was an appropriate time to treat DBD plasma.
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Seeds pre-treated with plasma demonstrate increased enzymatic activities, which help mitigate oxidative stress and preserve cellular integrity and functionality.
“Seeds that have been pre-treated with plasma demonstrate increased enzymatic activities, which help to mitigate the effects of oxidative stress, thereby preserving cellular integrity and functionality51.”
From Cold plasma technology as a pre-treatment for seed priming enhances germination and reduces salinity stress in Prosopis Koelziana (2025) · cites this paper as [51]
The Discussion (page unavailable) reports that CAT activity increased after 5- and 10-minute plasma treatments and describes antioxidant enzymes as limiting damage from oxidative stress. The claim is too broad: APX and SOD did not increase, and the paper also reports membrane degradation in plasma-treated kangkong seeds, rather than establishing that cellular integrity was preserved. (LLM, conf=0.88)
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Sorted by citations
Shahabi, Z. M., Nasibi, F., & Noori, H. (2025) · Scientific Reports · doi:10.1038/s41598-025-11637-z · Cited by 19
Metadata
- Authors
- Ongrak, P., Poolyarat, N., Suksaengpanomrung, S., Saidarasamoot, K., Jirakiattikul, Y., & Rithichai, P.
- Affiliations
- Thammasat University (TH)
- Thailand Institute of Nuclear Technology (TH)
- Corresponding author
- Rithichai, Panumart
- ORCID
- Venue
- Horticulturae
- Publisher
- MDPI AG
- Published
- 2023-11-27
- Volume
- 9
- Issue
- 12
- Pages
- 1269
- ISSN
- 2311-7524 (ISSN-L)
- OpenAlex
- W4389049403
- Cited by
- 13
- References
- 40
- Citations by year
- 2026: 2 · 2025: 11
- FWCI
- 2.16
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Horticulturae (publishedVersion, cc-by)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- Thailand Science Research and Innovation Fundamental Fund, a Ph.D. scholarship from Thammasat University (1/2022, 8/2564)
- Research Promotion Fund for International and Educational Excellence (1/2022, 8/2564)
- Topics
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Atmospheric-Pressure Plasma Applications
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Seed Germination and Physiology
- Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Magnetic and Electromagnetic Effects
- Keywords
- water spinach, seed germination, dielectric barrier discharge, plasma treatment duration, seed surface modification, water contact angle, water uptake (plant physiology), hydrogen peroxide, lipid peroxidation, catalase, antioxidant enzymes, seed physicochemical properties
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