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Biochemical Mechanism Unlocking Their Potential Role in Salt Tolerance Mechanism of Zizyphus Germplasm

Riaz Ahmad1,*, Hafiza Muniba Din Muhammad2, Safina Naz2, Meryam Manzoor2, Muhammad Ahsan Altaf3

1 Department of Horticulture, The University of Agriculture, Dera Ismail Khan, 29050, Pakistan
2 Department of Horticulture, Bahauddin Zakariya University, Multan, 60060, Pakistan
3 College of Horticulture, Hainan University, Haikou, 570228, China

* Corresponding Authors: Riaz Ahmad. Email: email,email

(This article belongs to this Special Issue: Physiological and Molecular Interventions in Improving Abiotic Stress Tolerance in Plants)

Phyton-International Journal of Experimental Botany 2023, 92(5), 1539-1553.


Salinity is one of the major constraints reducing plant growth and yield. Irrigation with poor quality and brackish water to orchards is a major cause of stunted growth and low yield. The salt tolerance mechanism is one of the complicated genomic characters that is very problematic to develop in fruit trees and becomes much more severe at any growth and developmental stage. Osmotic stress and hormonal imbalances are major constraints causing low biomass production. Fruit tree tolerance/sensitivity is chiefly based on the activation of a defense system comprised of super-oxidase dismutase (SOD), peroxidase (POD) and catalases (CAT), non-enzymatic compounds including ascorbic acid, phenolics, flavonoids, stress indicators [i.e., hydrogen peroxide (H2O2), lipid peroxidation, malondialdehyde (MDA), reactive oxygen species (ROS) and osmolytes containing proline, glycine-betaine (GB), ascorbates (APX), glutathione peroxidase (GPX) and glutathione reductase (GR)]. Tolerant genotypes must have higher antioxidant assays to cope with the adverse effects of salinity stress because their defense system had the potential to scavenge toxic ROS and protect from membrane leakage. Some work is conducted on agronomic and horticultural crops; however, underutilized fruit crops are still neglected and need serious consideration from plant researchers. Minor fruit crops especially Zizyphus had excellent nutritional aspects. The current study provides detailed insights into the physiological and biochemical mechanisms of Zizyphus species to cope with the adverse effects of salinity by improving their plant defense system. The development of salt-tolerant germplasm is a requisite and can be developed by utilization of physiological, biochemical, and molecular mechanisms. Application of different molecular approaches (i.e., genome mapping, genome editing, genetic transformation, proteomics, transcriptomics, and metabolites) are effective for higher yield by improving tolerance mechanisms.


Cite This Article

Ahmad, R., Muniba, H., Naz, S., Manzoor, M., Altaf, M. A. (2023). Biochemical Mechanism Unlocking Their Potential Role in Salt Tolerance Mechanism of Zizyphus Germplasm. Phyton-International Journal of Experimental Botany, 92(5), 1539–1553.

cc This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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