Author(s):

Tsheten Wangchuk Salingpa, Eugenia P Lal and Pradeep K Shukla

Abstract: The pot experiment was conducted at Field Experimentation Center, Department of Biological sciences, Sam Higginbottom University of Agriculture, Technology & Sciences, Uttar Pradesh during summer season 2018 with Mung bean varieties PDM-139 (Samrat) and HUM-12 (Malviya Jagriti). Effect of Salicylic acid under Salt stress condition on Mung bean with seven treatments and three replications were laid out in complete randomized Design. This research was undertaken to asses the impact of 100 ppm and 150 ppm of Salicylic acid (SA) on alleviation of oxidative, ionic and osmotic stress of different concentration levels of salt stress (0, 100, 150 mM Nacl, respectively). Salinity caused, the level of reactive oxygen species (ROS) like hydrogen peroxide (H₂O₂) and accumulation of Na⁺ ions in plant parts to increase and decreased the phosynthetic pigment, relative water content, plant growth and yield. Exogenous foliar spray of SA increased the level of antioxidant enzymes activities [Peroxidase (POX), Proline, Ascorbate Peroxidase (APX)], photosynthetic pigments, plant growth and yield. Salicylic acid (SA) concentration @ 100 ppm shows the best result in all the growth and yield parameters.

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