Acta Scientific Agriculture (ASAG)(ISSN: 2581-365X)

Research Article Volume 4 Issue 2

Remove Heavy Metals (Cd and Pb) from Irrigation Water in Jordan Valley by Using Duckweeds (Spirodela polyrhiza)

Zohuir Abdulla Ali Al-Balawna*

Jordan Valley Authority Laboratories, Al-Balqa, Jordan

*Corresponding Author: Zohuir Abdulla Ali Al-Balawna, Jordan Valley Authority Laboratories, Al-Balqa, Jordan.

Received: December 04, 2019; Published: January 07, 2020



  The purpose of this study was to investigate the potential of duckweed (Spirodela polyrhiza) in heavy metal (Pb and Cd) from water under different pH from (8.0-8.50)

  The present study investigates the ability of two genus of duckweed (Spirodela polyrhiza) to phytoremediate cadmium and lead from aqueous solution. Duckweed was exposed to 3 different cadmium and lead concentrations, such as, 1.0, 2.5, 5.0 mg/L and the experiment was continued for 10 days. Water samples were collected periodically for estimation of residual cadmium and lead content in aqueous solution. At the end of treatment period plant samples were collected and accumulated cadmium and lead content was measured.

  Cadmium and lead toxicity was observed through relative growth factor and changes in chlorophyll content Experimental results showed that Spirodela polyrhiza were capable of removing 40-53% and 42-52% cadmium and lead respectively from media depending upon initial cadmium and lead concentrations.

Keywords: Duckweed; Spirodela polyrhiza; Cadmium; Lead; Heavy Metals Removal



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Citation: Zohuir Abdulla Ali Al-Balawna. “Remove Heavy Metals (Cd and Pb) from Irrigation Water in Jordan Valley by Using Duckweeds (Spirodela polyrhiza)".Acta Scientific Agriculture 4.2 (2020): 02-05.


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