Abstract                 Volume:5  Issue-6  Year-2018          Original Research Articles

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The Role of 2, 2-Dichlorovinyl Dimethyl Phosphate and the Dynamics of Heavy Metals Absorption/Translocation in Plants: Emphasis on Sorrel and Spinach
H. Garba, D. Y. Shinggu, I. B. Bwatanglang* and T. S. Magili
Department of Pure and Applied Chemistry, Faculty of Science, Adamawa State University Mubi, Nigeria
*Corresponding author
Abstract:

Plant protection products in addition to their specific roles were observed to exhibit a characteristic impact towards increasing metal bioavailability within soil and streaming rate in plants. In this study, the role of the pesticides, 2, 2-dichlorovinyl dimethyl (diclorvos) in influencing heavy metal uptake and bioavailability was evaluated by comparing the concentration in the roots, stem and leaves of spinach (Spinacia oleracea) and sorrel (Rumex acetosa) cultivated with and without the pesticides. Atomic absorption spectrometry was used to determine the concentration of the heavy elements in the plant. The fraction of the heavy metals (Cd, Pb and Zn) taken up by both the spinach and sorrel plant treated with the pesticides compared to the untreated were observed to follow the trend Pb> Cd> Zn respectively. The correlation between the pesticides treated plant and the untreated plants in metal concentration was visible for the aboveground part of the plants. The measured concentration of Cd, Pb and Zn when compared among the various organs shows an elevated amount in the leaves, particularly in Pb concentrations. From the results, the dichlorvos was observed to facilitate significant metal uptake in the spinach compared to the sorrel plants irrespective of the plants organs under investigation. From the results, it could be said that the significant (p<0.05) metal concentrations in the treated spinach compared to the treated sorrel plant could be attributed to some severe physiological stress induced by the metal-dichlorvos complex leading to morphological alterations, probably though the dissociation of the diffusive boundary layer or from dust-laden particulate complexing with the residual pesticides on the leaves and trans locating through the stomata.

Keywords: Dichlorvos Heavy metals Pesticides Sorrel Spinach
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How to cite this article:

Garba, H., Shinggu, D.Y., Bwatanglang, I.B., Magili, T.S., 2018. The role of 2, 2-dichlorovinyl dimethyl phosphate and the dynamics of heavy metals absorption/translocation in plants: Emphasis on sorrel and spinach.Int.J.Curr.Res.Biosci.Plantbiol. 5(6): 1-10. doi: https://dx.doi.org/10.20546/ijcrbp.2018.506.001