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Rouabhi, R.
- Antioxidative Response in Tomato Plants Lycopersicon Esculentum L. Roots and Leaves to Zinc
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Authors
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1 Laboratory of Cell Toxicology, Badji Mokhtar University Annaba, 23000, Annaba, DZ
2 Nature and Life Sciences Department, Tebessa University, DZ
1 Laboratory of Cell Toxicology, Badji Mokhtar University Annaba, 23000, Annaba, DZ
2 Nature and Life Sciences Department, Tebessa University, DZ
Source
Research Journal of Pharmacology and Pharmacodynamics, Vol 3, No 1 (2011), Pagination: 41-46Abstract
This work aims to evaluate the response of tomato plants (Lycopersicon esculentum L. var. Rio Grande) to treatment with zinc and accumulation (trace element) in the ischolar_mains and leaves of young plants. This is done by analyzing the effects of zinc on the rate of chlorophyll and enzyme activity involved in the antioxidant system (CAT, GST, APX). Plants previously grown on a basic nutrient solution is treated by increasing concentrations of ZnSO4 (0, 50, 100, 250, 500 microM) for 07 days. The results show that Zn does not affect the amount of chlorophyll at 50 and 100 microns, while it seems to inhibit the higher concentrations (250 and 500 microns). On the other hand, treatment with zinc induced the activity of enzymes studied, namely (CAT, APX, GST) especially for higher concentrations. Finally, the determination of zinc in the ischolar_mains and leaves of tomato shows a greater accumulation in the ischolar_mains compared to leaves.Keywords
Zinc, Chlorophyll, Enzyme Activities, Oxidative Stress, Lycopersicon Esculentum.
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