Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Influence of Ascorbic Acid against Salt stress on the Germination, Biochemicals and Micronutrients Concentrations of Solanum melongena (L.)

Version 1 : Received: 13 January 2021 / Approved: 14 January 2021 / Online: 14 January 2021 (14:40:47 CET)

How to cite: Irfan, M.; Jan, G.; Gul Jan, F.; Murad, W. Influence of Ascorbic Acid against Salt stress on the Germination, Biochemicals and Micronutrients Concentrations of Solanum melongena (L.). Preprints 2021, 2021010278 (doi: 10.20944/preprints202101.0278.v1). Irfan, M.; Jan, G.; Gul Jan, F.; Murad, W. Influence of Ascorbic Acid against Salt stress on the Germination, Biochemicals and Micronutrients Concentrations of Solanum melongena (L.). Preprints 2021, 2021010278 (doi: 10.20944/preprints202101.0278.v1).

Abstract

The experiments were designed to know the function of ascorbic acid against salinity on germination, different biochemical and micronutrients concentrations of Solanum melongena. Ascorbic acid was applied as foliar spray on leaves and given in roots through irrigation at 100 and 200 ppm to the plants growed in non saline, 60mM and 100mM salt stress conditions. Different biochemical parameters i.e. chlorophyll, carotenoids, carbohydratrates, protein and micro nutrients concentrations of Solanum melongena were observed under different salt stress concentrations from control (non-saline), 60mM NaCl and 100mM NaCl solutions. The rates of different biochemical parameters and micro nutrients concentrations exhibited decrease in saline media in comparison with their respective control while ascorbic acid used as a foliar spray and through irrigation in roots at the concentration of 100 ppm and 200 ppm resulted promotion in non saline control as compared with salt concentrations media. It was determined that chlorophyll concentration was decreased considerably under salt stress. Amongst micro nutrients ionic composition of Na, K and Na/K ratio resulted that plants treated with different NaCl concentrations at 60mM NaCl and 100mM salt concentrations showed increase in Na and K ions and ascorbic acid were used as a foliar spray and in roots showed decrease in Na and K ions. Overall from the outcomes of the study it was observed that salinity stress significantly decrease vegetative and reproductive parameters that could be improved with the using of ascorbic acid. Best concentration found were 200 ppm ascorbic acid contributed towards an increase in growth irrespective of non-saline and saline conditions. Based on these findings, ascorbic acid treatment helps in alleviating the negative effects of salinity.

Subject Areas

Ascorbic acid; Biochemicals; Micronutrients; Solanum melongena; Salinity

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