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Oxidative stress is a central factor in a number of biotic and abiotic stress phenomena that occurs when there is a serious imbalance in any plant cell compartment between the production of reactive oxygen species (ROS) and antioxidant defense, leading to physiological and metabolic changes. The presence of high concentration of ROS in cells causes oxidative damage to photosynthetic functions and vital bio-molecules, and disrupt cellular metabolism. Thus, it is ...
When plants are subjected to environmental stress conditions such as high light intensity, temperature extremes, drought high salinity, herbicide treatment or mineral deficiencies, the balance between the production of reactive oxygen species and the quenching activity of the antioxidants is upset, often resulting in oxidative damage. Oxidative damage to plants effects the overall production of the crop. To understand the effect of different environmental ...