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Melatonin as a Foliar Application and Adaptation in Lentil ( Lens culinaris Medik.) Crops under Drought Stress

Author

Listed:
  • Sidra Yasmeen

    (Department of Botany, Government College University, Faisalabad 38000, Pakistan)

  • Abdul Wahab

    (Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China)

  • Muhammad Hamzah Saleem

    (College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China)

  • Baber Ali

    (Department of Plant Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan)

  • Kamal Ahmad Qureshi

    (Department of Pharmaceutics, Unaizah College of Pharmacy, Qassim University, Unaizah 51911, Saudi Arabia)

  • Mariusz Jaremko

    (Smart-Health Initiative (SHI) and Red Sea Research Center (RSRC), Division of Biological and Environmental Sciences and Engineering (BESE), King Abdullah University of Science and Technology (KAUST), Thuwal 23955, Saudi Arabia)

Abstract

Here, we grow two different varieties of lentil (lentil-2009 and lentil-93) under different drought levels and with different applications of melatonin. Increasing the levels of soil water deficit significantly decreased numerous morphological and biochemical characteristics, including shoot length, total chlorophyll content, and transpiration rate, in both varieties of lentil. Contrastingly, drought stress increased the concentrations of malondialdehyde (MDA) and hydrogen peroxide (H 2 O 2 ), and electrolyte leakage, an indicator of oxidative damage to membrane-bound organelles. The activities of enzymatic antioxidants and osmolytes were initially increased up to a drought level of 80% water field capacity (WFC) but gradually decreased with higher levels of drought stress (60% WFC) in the soil. At the same time, the results also showed that the lentil-2009 is more tolerant to drought stress than lentil-93. The negative impact of drought stress can be overcome by the application of melatonin. Melatonin increased plant growth and biomass, photosynthetic pigments, gas exchange characteristics, and enhanced the activities of various enzymatic and non-enzymatic antioxidants and proline content by decreasing oxidative stress. We conclude that foliar application of melatonin offers new possibilities for promoting lentil drought tolerance.

Suggested Citation

  • Sidra Yasmeen & Abdul Wahab & Muhammad Hamzah Saleem & Baber Ali & Kamal Ahmad Qureshi & Mariusz Jaremko, 2022. "Melatonin as a Foliar Application and Adaptation in Lentil ( Lens culinaris Medik.) Crops under Drought Stress," Sustainability, MDPI, vol. 14(24), pages 1-15, December.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:24:p:16345-:d:996016
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    References listed on IDEAS

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    1. Khansa Saleem & Muhammad Ahsan Asghar & Muhammad Hamzah Saleem & Ali Raza & Gábor Kocsy & Nadeem Iqbal & Baber Ali & Mohammed Fahad Albeshr & Eijaz Ahmed Bhat, 2022. "Chrysotile-Asbestos-Induced Damage in Panicum virgatum and Phleum pretense Species and Its Alleviation by Organic-Soil Amendment," Sustainability, MDPI, vol. 14(17), pages 1-19, August.
    2. Muhammad Adeel Ghafar & Nudrat Aisha Akram & Muhammad Hamzah Saleem & Jianyong Wang & Leonard Wijaya & Mohammed Nasser Alyemeni, 2021. "Ecotypic Morphological and Physio-Biochemical Responses of Two Differentially Adapted Forage Grasses, Cenchrus ciliaris L. and Cyperus arenarius Retz. to Drought Stress," Sustainability, MDPI, vol. 13(14), pages 1-19, July.
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