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Exogenous Application of Salicylic Acid Improve Growth and Some Physio-Biochemical Parameters in Herbicide Stressed Phaseolus vulgaris L.

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Abstract

Herbicides are used in agriculture to increase crop yield. However, their use often prompts concern about the consequences safety of crop production. Salicylic acid (SA) is a phenolic compound considered a phytohormone that confers plant resistance to different stresses. To determine the influence of SA on the reduction of herbicide-induced toxicity, we used young bean (Phaseolus vulgaris L.) seedlings treated with 1 mM of SA, 100 µM of prometryne or combined treatments. After 30 days of culture, prometryne treatment resulted in plant growth inhibition (shoot height, leaf area, fresh and dry weight) and decreased photosynthetic pigments content. It increased malondialdehyde (MDA) and hydrogen peroxide (H2O2) levels. Meanwhile, the activities of enzymatic antioxidants, catalase (CAT) and ascorbate peroxidase (APX), as well as herbicide detoxification enzyme glutathione S‑transferase (GST), were significantly improved. Furthermore, herbicide enhanced proline amount and decreased that of glutathione. These findings reflect the presence of stress status. An exogenous supply of SA seemed to reduce the deleterious effects caused by prometryne and appeared to overcome this stress status. Such positive effect was reflected by enhancement of growth and leaf pigments contents, regulating antioxidant enzyme activities (CAT, APX, GST), and decreasing oxidative stress indices. This study demonstrates that exogenous application of SA to young bean plants reversed and/or minimized the damage caused by prometryne through the protection and improvement of some morpho-biochemical characters.

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Contributions

KB and OA planned and supervised the study. KB and CO carried out the experiments and created figures and tables. Wrote the paper: KB. Revised the paper:OA. All authors participated in data evaluation and preparation of the manuscript.

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Correspondence to Karima Boulahia.

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K. Boulahia, C. Ould said and O. Abrous Belbachir declare that they have no competing interests.

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For this article no studies with human participants or animals were performed by any of the authors. All studies mentioned were in accordance with the ethical standards indicated in each case.

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Boulahia, K., Ould said, C. & Abrous-Belbachir, O. Exogenous Application of Salicylic Acid Improve Growth and Some Physio-Biochemical Parameters in Herbicide Stressed Phaseolus vulgaris L.. Gesunde Pflanzen 75, 2301–2318 (2023). https://doi.org/10.1007/s10343-023-00878-5

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  • DOI: https://doi.org/10.1007/s10343-023-00878-5

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