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<p>The application of salicylic acid and/or proline may enhance a plant’s tolerance to various abiotic stresses; however, the synergistic effects of their combination have not been sufficiently investigated. The present study aimed to examine the protective effects of salicylic acid and proline on mungbean genotypes subjected to drought stress. The experiment involved twelve treatments &#xa0;and three mungbean genotypes. Drought stress adversely affected mungbean growth and production by detrimentally impacting all evaluated parameters; although, salicylic acid and proline may substantially alleviate these impairments. The individual application of salicylic acid (SA) and proline markedly enhanced all assessed parameters, resulting in reduced levels of hydrogen peroxide (H<sub>2</sub>O<sub>2</sub>) and malondialdehyde (MDA), thereby mitigating oxidative stress. Conversely, the combined application of SA and proline more effectively alleviated oxidative stress compared to their individual applications by augmenting soluble sugar and proline activity, which serve as osmotic agents and assist plants in maintaining water potential under extreme environmental conditions. Salicylic acid was individually determined to be more effective than proline. Our findings will enhance the current understanding of drought stress and assist in formulating more effective management techniques for sustained mungbean productivity.</p>

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Synergistic Effect of Salicylic Acid and Proline in Enhancing Drought Tolerance in Mungbean Through Physio-biochemical Adjustments and Enhanced Antioxidant Activity

  • 期刊论文

  • 发表日期：

    2026年3月13日

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  • Aysha Siddika Jarin,
  • Md Asadujjaman Rasel,
  • Md. Moshiul Islam,
  • Sujat Ahmed,
  • Tahmina Akter Urmi,
  • Dipanjoli Baral Dola,
  • Al Rahat,
  • Anamika,
  • Md. Saddam Hossain,
  • Manzer H. Siddiqui,
  • Yoshiyuki Murata

摘要

The application of salicylic acid and/or proline may enhance a plant’s tolerance to various abiotic stresses; however, the synergistic effects of their combination have not been sufficiently investigated. The present study aimed to examine the protective effects of salicylic acid and proline on mungbean genotypes subjected to drought stress. The experiment involved twelve treatments  and three mungbean genotypes. Drought stress adversely affected mungbean growth and production by detrimentally impacting all evaluated parameters; although, salicylic acid and proline may substantially alleviate these impairments. The individual application of salicylic acid (SA) and proline markedly enhanced all assessed parameters, resulting in reduced levels of hydrogen peroxide (H2O2) and malondialdehyde (MDA), thereby mitigating oxidative stress. Conversely, the combined application of SA and proline more effectively alleviated oxidative stress compared to their individual applications by augmenting soluble sugar and proline activity, which serve as osmotic agents and assist plants in maintaining water potential under extreme environmental conditions. Salicylic acid was individually determined to be more effective than proline. Our findings will enhance the current understanding of drought stress and assist in formulating more effective management techniques for sustained mungbean productivity.