Journal of Applied Biotechnology Reports

Journal of Applied Biotechnology Reports

Investigating the Effect of Dimercaprol on Phytoremediation of Lead by Zea mays, Helianthus annuus, Sinapis arvensis

Document Type : Original Article

Authors
Mohammad Amin Sharifi
Ali Mohammad Latifi
Mohammad Ali Amani
Fatemeh Shakeri
Morteza Mirzaei
Parvin Noroozimoghadam
Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
Abstract
 
Application of plants to remove heavy metals from soil (phytoremediation) is expanding due to its cost-effectiveness as compared to conventional methods and it has shown a great potential. Since contaminants such as Pb have a limited bioavailability in the soil, methods to facilitate their translocation to the shoots and roots of plants are required for efficient phytoremediation. The present pots experiment were to investigate the effect of Dimercaprolchelator with different concentration (0, 1.5, 3 mmol Dimercaprolchelator kg-1). Also different ranges of Pb (100, 200 mg Pb kg-1) and a control group were investigated for the amount of Pb accumulation, by corn (Zea mays), sunflower (Helianthus annuus) and mustard (Sinapis arvensis). The results showed that the amount of Pb accumulation increased as the Pb concentration was increased. Also the results of this experiment showed that the addition of Dimercaprolchelatoris most likely to increase the bioavailability of Pb and consequently the accumulation of this heavy metal in the shoots. The highest accumulation of Pb was noticed with the highest does of Dimercaprolchelator (3 mmol Dimercaprolchelator kg-1) and Pb (200 mg Pb kg-1) in the shoots of Helianthus annuus.
Keywords
Phytoremediation
Lead
Dimercaprol
Corn (Zea mays)
Sunflower (Helianthus annuus)
Mustard (Sinapis arvensis)
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Journal of Applied Biotechnology Reports
Volume 1, Issue 2
Spring 2014
Pages 49-54

  • Receive Date 10 March 2018
  • Revise Date 14 May 2018
  • Accept Date 14 May 2018