Potential For Tolerance Of Heavy Metal (Arsenic, Nickel) By Abelmoschus esculentus And Brassica juncea From The Polluted Soil

IJEP 41(11): 1252-1258 : Vol. 41 Issue. 11 (November 2021)

Abhay Kumar, Amit Kumar and Ramakant Sinha*

Patna University, Department of Botany, Patna-800 005, Bihar, India


Phytoextraction is the mechanism by which plants uptake a contaminant and store the contaminant in plant parts and is the most applicable mechanism to the remediation of heavy metals. The ultimate goal of phytoextraction is the transfer of metals from soil to the plant portions that have the capability of being easily harvested and removed from the contaminated site. The removal of metals from contaminated site by hyperaccumulator Brassica juncea showed that Brassica juncea bioaccumulates certain metals in its shoots and produces more than 20 times of the biomass. It removed heavy metal, like arsenic and nickel from contaminated soil and accumulate them in its shoot. The hyperaccumulator Brassica juncea can accumulate more heavy metals with the addition of chelatants. Abelmoschus esculentus have been employed in phytoextraction strategies and in cleaning up of heavy metals contaminated sites; especially when chelating agent was used to assist phytoextraction capacity of Abelmochus esculentus plants at remediating soil contaminated with chromate, nickel and arsenate.


Hyperaccumulator, Arsenic stress, Nickel stress, Abelmoschus esculentus L., Brassica juncea Hk. F. and T.


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