Nickel Toxicity Effect on Antioxidant Activity of Ground Nut (Arachis Hypogea L.)

Author(s)	Mrs. Gowthami R Seenuvasan, Dr. S. Dhanam
Country	India
Abstract	This study pertains to the effects of heavy metal salts Nickel on the ground nut (Arachis hypogea) at various concentrations viz 5, 10, 25, 50, 75,100, 200 and 300 mg/L. The salts were given as treatments to the ground nut seeds at various ascending levels of doses till proving toxic. Effect of Ni concentrations as well as the antioxidant activities of Ascorbic acid content, superoxide dismutase (SOD), catalase (CAT), peroxidase (POD) and polyphenoloxidase was studied at various stages 30th, 60th and 90th DAS in leaf, stem and root of ground nut plants. Similarly the antioxidant activities were increased with increase in 10 mg/L concentration of nickel in 90th day after treatment. So, it could be concluded that Nickel at lower concentration had an inducing effect on plant growth and inhibited the same at higher concentrations. The data’s are followed by maximum readings were observed in the concentration of 10 mg/L of Nickel for all the antioxidant activity.
Keywords	Nickel, Ground nut, antioxidant, SOD, CAT, POD and Polyphenoloxidase.
Field	Biology > Agriculture / Botany
Published In	Volume 17, Issue 2, April-June 2026
Published On	2026-04-30

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