Publication: Hydroponic Screening of Fast-growing Tree Species for Lead Phytoremediation Potential
Issued Date
2017-01-01
Resource Type
ISSN
14320800
00074861
00074861
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2-s2.0-85027874290
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Mahidol University
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SCOPUS
Bibliographic Citation
Bulletin of Environmental Contamination and Toxicology. Vol.99, No.4 (2017), 518-523
Suggested Citation
Jiraporn Yongpisanphop, Sandhya Babel, Maleeya Kruatrachue, Prayad Pokethitiyook Hydroponic Screening of Fast-growing Tree Species for Lead Phytoremediation Potential. Bulletin of Environmental Contamination and Toxicology. Vol.99, No.4 (2017), 518-523. doi:10.1007/s00128-017-2157-8 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/42696
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Title
Hydroponic Screening of Fast-growing Tree Species for Lead Phytoremediation Potential
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Abstract
© 2017, Springer Science+Business Media, LLC. Using trees as phytoremediators has become a powerful tool to remediate lead from contaminated environments. This study aims to identify potential candidates among fast-growing trees by comparing their ability to tolerate and accumulate Pb. Cuttings from Acacia mangium, Azadirachta indica, Eucalyptus camaldulensis, and Senna siamea were cultured in 25% modified Hoagland’s solutions supplemented with 10, 30, and 50 mg/L Pb for 15 days. Lead concentrations were determined by a flame atomic absorption spectrophotometer. All species showed high Pb tolerance (over 78%) and low translocation factor (<1) in all treatments. The highest Pb content in roots (>40000 mg/kg) was recorded in A. mangium and E. camaldulensis grown in 50 mg/L Pb solution. Based on high biomass, tolerance index, and Pb content in plants, A. mangium and E. camaldulensis are good candidates for phytoremediation.