Accumulation and distribution of heavy metals in Leucaena leucocephala Lam. and Bougainvillea
Journal Title: Journal of Experimental Biology and Agricultural Sciences - Year 2016, Vol 4, Issue 0
Abstract
This study was conducted to determine the degree of heavy metal contaminations in the soils around the perimeter of an industrial park located in the city of Sta. Rosa, Laguna, Philippines that houses light-to-medium scale manufacturing industries, through accumulation of heavy metals in two plant systems viz. Bougainvillea spectabilis (bougainvillea) and Leucaena lecocephala (ipil-ipil). Results of study revealed that the soil samples collected from the study site contained higher concentrations of Cu and Zn compared to a residential site as non-polluted source, some amount of nonessential mineral like Cd and Pb was also found from the sample collected from the study area. Findings of the study suggested that Cu is an immobile element, was highly accumulated in the roots of B. spectabilis, while highest concentration of Zn was accumulated in the leaves. Moreover, the leaves of L. leucocephala collected from the study site accumulated significantly higher concentrations of both Cu and Zn as compared to the leaves of the same plant species collected in a residential site. The non-essential metals, Cd and Pb, exhibit no significant difference in their accumulation and distribution to different plant parts and between the industrial and residential sites.
Authors and Affiliations
Johnny A Ching, Albert S, Maria Del Carmen Valls Martinez
Keywords
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