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Mitigation of salinity stress effects on Vicia faba L. growth and productivity using proline and salicylic acid foliar application

Author

Listed:
  • Hossam El-Beltagi

    (Agricultural Biotechnology Department, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa, Saudi Arabia
    Biochemistry Department, Faculty of Agriculture, Cairo University, Giza, Egypt)

  • Mohamed El-Nady

    (Department of Agricultural Botany, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, Egypt)

  • Ahmed Mahmoud Ismail

    (Department of Arid Land Agriculture, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa, Saudi Arabia
    Pests and Plant Diseases Unit, College of Agriculture and Food Sciences, King Faisal University, Al-Ahsa, Saudi Arabia
    Vegetable Diseases Research Department, Plant Pathology Research Institute, Agricultural Research Center (ARC), Giza, Egypt)

  • Metwaly Mahfouz Salem Metwaly

    (Department of Agricultural Botany, Faculty of Agriculture, Kafrelsheikh University, Kafrelsheikh, Egypt)

Abstract

High soil salinity causes a negative impact on plant growth and lowers crop yields. Thus, pot experiments were conducted to investigate the impact of foliar application of salicylic acid (SA) and proline (Pro), separately and combined, on enhancing salinity tolerance in broad beans. Salinity stress (4.69 ds/m and 6.25 ds/m) significantly reduced plant growth (plant height, leaf area, number of leaf/plant, plant dry weight), chlorophyll pigment content (chlorophyll a, b or total), relative water content, K/Na ratio, seed yield per plant, and N, P, K, and crude protein content in broad bean seeds. Foliar application of Pro and SA, either individually or in combination, enhanced plant growth parameters, chlorophyll pigment content, endogenous proline levels, phenol content, and the activities of antioxidant enzymes [antioxidant enzymes including catalase (CAT), peroxidase (POD) and superoxide dismutase (SOD)]. Additionally, these treatments enhanced plant seed yield, N, P, K, and crude protein levels in the seeds. The combined foliar application of Pro and SA was more effective in mitigating salinity stress's harmful effects than using either substance alone. These findings indicate that foliar application of SA and Pro, either individually or in combination, alleviated the adverse effects of salinity on broad beans, with the combined application proving to be the most effective.

Suggested Citation

  • Hossam El-Beltagi & Mohamed El-Nady & Ahmed Mahmoud Ismail & Metwaly Mahfouz Salem Metwaly, . "Mitigation of salinity stress effects on Vicia faba L. growth and productivity using proline and salicylic acid foliar application," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 0.
    • Handle: RePEc:caa:jnlpps:v:preprint:id:127-2024-pps
    DOI: 10.17221/127/2024-PPS
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