Comparative Study of Cis- and Trans-Priming Effect of PEG and BABA in Cowpea Seedlings on Exposure to PEG-Induced Osmotic Stress

The growth and performance of cowpea seedlings are negatively impacted by climate change the subsequent occurrence drought stress. Osmotic stress leads to formation reactive oxygen species, causing membrane breakdown, impairs metabolic activities. harmful effects osmotic can be reduced using seed priming techniques. Seeds var. Anaswara were treated with polyethylene glycol (PEG) ?-amino butyric acid (BABA) as agents. emerged from primed seeds have been found reduce lipid peroxidation rates improve plant water status accumulating osmolytes such proline, total free aminoacids, soluble sugars, also enhanced production non-enzymatic antioxidants phenolics, ascorbate, glutathione, well increased activities enzymatic catalase, peroxidase, superoxide dismutase, which effectively scavenge ROS maintain homeostasis cell. PEG (cis-priming) BABA (trans-priming) exhibited differential physiochemical responses in subjected current work investigates extent tolerance acquired through priming, it will help make a sensitive variety more tolerant one. Physiochemical BABA-primed towards better regulated encounter PEG-induced than PEG-primed seeds.