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Abstract

Salinity is a major environmental issue caused changes in morphological and biochemical parameters in coriander plants. An experiment was performed to observe the effect of foliar spray of pomegranate peel extract on two varieties (Arai and Hybrid) of Coriander plant (Coriandrum sativum L.), under salinity. Twelve treatments with four replications made up the entire experiment. Results represents that foliar application of pomegranate peel extract substantially improved the morphological parameters like leaf area, number of leaves, length of root, length of shoot, weight of fresh shoot, and weight of dry shoot, root fresh weight and root dry weight were recorded as well as physiological parameters like Chlorophyll, Superoxide dismutase (SOD), Peroxidase (POD), Ascorbate, peroxidase (APX), malondialdehyde (MDA), hydrogen peroxidase (H2O2), phenolics, glycine betaine, total content of soluble sugars and Ascorbic acid under the stress of salt. The physiological parameters soluble sugar decrease in stress conditions but also increase by foliar applications. The hydrogen peroxide (H2O2) and Malondialdehyde (MDA) enhanced under salt stress conditions and foliar spray decreases their level in plants. The peroxidase, catalase, superoxide dismutase enzymes activities were also enhanced by foliar applications. Overall results showed that Hybrid coriander variety is more tolerant than Arai.

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