Phytoremediation potential of Xanthium strumarium for heavy metals contaminated soils at roadsides

Phytoremediation potential of Xanthium strumarium for heavy metals contaminated soils at roadsides Xanthium strumarium was chosen in this study to evaluate its phytoremediation capacity for cadmium, lead, nickel and zinc metals. Five different sites were selected on Faisalabad–Sargodha road (FSR), Pakistan, to monitor the levels of cadmium, lead, nickel and zinc. Leaf and root samples were collected concurrently with soil samples to study the accumulation and tol- erance of these metals in X. strumarium. To examine the health of X. strumarium, photosynthetic pigments, free amino acids concentration and total antioxidant activity were also tested. Highly significant concentrations of all metals were recorded in the soil and X. strumarium leaves and roots at all sites as compared to the control. On the average, X. strumarium leaves −1 −1 −1 −1 accumulated 0.27 ± 0.01 mg kg cadmium, 3.33 ± 0.16 mg kg lead, 54.5 ± 1.02 mg kg zinc and 5.85 ± 0.11 mg kg −1 −1 nickel from the soils that have average metal concentration of 0.25 ± 0.24 mg kg cadmium, 3.38 ± 0.29  mg  kg lead, −1 −1 118.7 ± 1.04 mg kg zinc and 4.89 ± 0.12 mg kg nickel. Overall, a slight variation in photosynthetic pigments was noted; however, plants growing at sites with higher metal concentrations exhibited reduced photosynthetic pigments. Increased total antioxidant activity and free amino acids were recorded. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Environmental Science and Technology Springer Journals

Phytoremediation potential of Xanthium strumarium for heavy metals contaminated soils at roadsides

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Islamic Azad University (IAU)
Subject
Environment; Environment, general; Environmental Science and Engineering; Environmental Chemistry; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution; Soil Science & Conservation; Ecotoxicology
ISSN
1735-1472
eISSN
1735-2630
D.O.I.
10.1007/s13762-018-1825-5
Publisher site
See Article on Publisher Site

Abstract

Xanthium strumarium was chosen in this study to evaluate its phytoremediation capacity for cadmium, lead, nickel and zinc metals. Five different sites were selected on Faisalabad–Sargodha road (FSR), Pakistan, to monitor the levels of cadmium, lead, nickel and zinc. Leaf and root samples were collected concurrently with soil samples to study the accumulation and tol- erance of these metals in X. strumarium. To examine the health of X. strumarium, photosynthetic pigments, free amino acids concentration and total antioxidant activity were also tested. Highly significant concentrations of all metals were recorded in the soil and X. strumarium leaves and roots at all sites as compared to the control. On the average, X. strumarium leaves −1 −1 −1 −1 accumulated 0.27 ± 0.01 mg kg cadmium, 3.33 ± 0.16 mg kg lead, 54.5 ± 1.02 mg kg zinc and 5.85 ± 0.11 mg kg −1 −1 nickel from the soils that have average metal concentration of 0.25 ± 0.24 mg kg cadmium, 3.38 ± 0.29  mg  kg lead, −1 −1 118.7 ± 1.04 mg kg zinc and 4.89 ± 0.12 mg kg nickel. Overall, a slight variation in photosynthetic pigments was noted; however, plants growing at sites with higher metal concentrations exhibited reduced photosynthetic pigments. Increased total antioxidant activity and free amino acids were recorded.

Journal

International Journal of Environmental Science and TechnologySpringer Journals

Published: Jun 2, 2018

References

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