Organic amendments mitigate salinity induced toxic effects in maize by modulating antioxidant defense system, photosynthetic pigments and ionic homeostasis


  • Ubaid AFZAl Department of Botany, University of Agriculture, Faisalabad, 38040, (PK)
  • Imran KHAN Department of Agronomy, University of Agriculture, Faisalabad, 38040 (PK)
  • Muhammad U. CHATTHA Department of Agronomy, University of Agriculture, Faisalabad, 38040 (PK)
  • Rizwan MAQBOOL Department of Agronomy, University of Agriculture, Faisalabad, 38040 (PK)
  • Muhammad B. CHATTHA Department of Agronomy, Faculty of Agricultural Sciences, University of the Punjab, Lahore 54590 (PK)
  • Ambreen NAZ Department of Food Science and Technology, MNS-University of Agriculture, Multan (PK)
  • Mohamed HASHEM King Khalid University, College of Science, Department of Biology, Abha 61413; Assiut University, Faculty of Science, Botany and Microbiology Department, Assiut, 71516 (SA)
  • Saad ALAMRI King Khalid University, College of Science, Department of Biology, Abha 61413 (SA)
  • Haifa A.S. ALHAITHLOUL Biology Department, Collage of Science, Jouf University, Sakaka, 2014 (SA)
  • Sabry HASSAN Department of Biology, College of Science, Taif University, P.O. Box 11099, Taif 21944 (SA)
  • Muhammad A. BHATTI Soil and Water Testing Laboratory, Layyah (PK)
  • Muhammad U. HASSAN Research Center on Ecological Sciences, Jiangxi Agricultural University, Nanchang, 330045 (CN)
  • Sameer H. QARI Department of Biology, Al-Jumum University College, Umm Al-Qura University, Makkah 21955 (SA)



antioxidants, growth maize, organic amendments, photosynthetic pigments


Salinity stress (SS) is a major and increasing abiotic stress adversely affecting plant growth and productivity across the globe. The application of organic amendments (OA) is considered to be an important practice to mitigate the adverse impacts of SS. Therefore, this study was performed to assess the impact of different OA on growth, physiology and anti-oxidant activities of maize plants grown under SS. The study was comprised of diverse SS levels; 0, 6 and 12 dS m-1, and different OA; control, cow manure (CM: 5%), sugarcane pressmud (SPM: 5%) and combination of CM (2.5%) + SPM (2.5%). The study was conducted in a completely randomized design with factorial arrangement having three replications. The results indicated that SS reduced the growth and biomass production, relative water contents (RWC), chlorophyll contents, free amino acids (FAA), total soluble proteins (TSP) and increased the electrolyte leakage (EL: 40.92%), hydrogen peroxide (H2O2: 68.49%), malondialdehyde (MDA: 42.13%), and catalase (CAT: 34.24%) and ascorbate peroxide (APX: 25.70%). The application of OA significantly improved the maize growth under SS. However, the application of SPM (5%) significantly increased growth and biomass production by decreasing EL, MDA and H2O2 accumulation and increasing RWC, chlorophyll, CAT, POD, and anthocyanin, TSP and FAA. These findings suggest that application of SPM improved the growth and biomass production of maize by improving anti-oxidant activities, photosynthetic pigments, TSP, FAA reducing lipid peroxidation and EL. 


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How to Cite

AFZAl, U., KHAN, I., CHATTHA, M. U., MAQBOOL, R., CHATTHA, M. B., NAZ, A., HASHEM, M., ALAMRI, S., ALHAITHLOUL, H. A., HASSAN, S., BHATTI, M. A., HASSAN, M. U., & QARI, S. H. (2022). Organic amendments mitigate salinity induced toxic effects in maize by modulating antioxidant defense system, photosynthetic pigments and ionic homeostasis. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, 50(2), 12735.



Research Articles
DOI: 10.15835/nbha50212735

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