Pb and Cd accumulation and phyto-excretion by salt cedar (Tamarix smyrnensis Bunge)

International Journal of Phytoremediation
Jana KadukovaNicolas Kalogerakis

Abstract

The accumulation and excretion of lead (Pb) and cadmium (Cd) by salt cedar (Tamarix smyrnensis Bunge) were investigated in this study. Tamarix smyrnensis plants were exposed to the mixtures of Pb and Cd and high salinity for 10 wk. Subsequently, Pb and Cd uptake was quantified in the shoots and roots of the plants by ICP-AES. In addition, physiological parameters such as biomass production, shoot length, plant appearance, and chlorophyll content were examined. The roots accumulated the highest amount of Pb. Salinity was found to not have an important effect on Pb translocation to the leaves. Cd was translocated into the aerial part in a higher portion than Pb. Cd content in leaves of T. smyrnensis increased with the increasing salinity. The visible toxicity symptoms, if present, were connected only to the high salinity. The excretion of Pb and Cd by salt glands was observed and quantified. T. smyrnensis excreted a significant amount of metals on the leaf surface. This characteristic of salt cedar plants can be viewed as a novel phytoremediation process for the remediation of sites contaminated with heavy metals that we have termed "phyto-excretion."

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Citations

Aug 22, 2013·Archives of Environmental Contamination and Toxicology·Slađana Č AlagićJelena V Petrović
Jan 10, 2016·Ecotoxicology and Environmental Safety·Hafiz Muhammad TauqeerGhulam Hassan Abbasi
Dec 24, 2010·Journal of Environmental Sciences (China)·Ulrico J López-Chuken, Scott D Young
Oct 7, 2011·International Journal of Phytoremediation·Eleni Manousaki, Nicolas Kalogerakis
Jun 18, 2014·International Journal of Phytoremediation·Eleni ManousakiNicolas Kalogerakis
Feb 29, 2016·Environmental Science and Pollution Research International·Solomon W Newete, Marcus J Byrne
Oct 16, 2016·International Journal of Phytoremediation·Hayden WilsonIsabel M Weiersbye
Aug 24, 2018·Integrated Environmental Assessment and Management·Danielle ClevelandJulia S Lankton
Jul 5, 2019·International Journal of Phytoremediation·Solomon Wakshom NeweteMarcus John Byrne
Jan 15, 2020·Environmental Science and Pollution Research International·Seyed Mousa Mousavi Kouhi, Maryam Moudi
Jun 24, 2019·Environmental Monitoring and Assessment·Hanna R HardMónica Ramirez-Andreotta
Aug 7, 2020·International Journal of Phytoremediation·Samalesu MayondeMarcus J Byrne
Feb 14, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Florin Dumitru BoraAndrea Bunea
Dec 31, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Abhishek RoyChowdhuryDibyendu Sarkar
Feb 28, 2021·Bulletin of Environmental Contamination and Toxicology·Lirong YaoHuajun Wang
Mar 7, 2021·International Journal of Molecular Sciences·Chaoxia LuBaoshan Wang

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