Investigation of two Eucalyptus species (Eucalyptus Microtheca , Eucalyptus camaldulensis) in absorbing Cu and Pb from soil
Message:
Abstract:
Present study deal with to ability of two Eucalyptus species (Eucalyptus Microtheca, Eucalyptus camaldulensis) for Pb and Cu absorption from pollutant soil. To design a test, the 6-months seedlings of Eucalyptus were selected from seedling with similar quality. To heavy metals test, three treatments of Cu (5, 10, 20 mm) using CuSO4 and three treatments of Pb (50, 100, 200 mm) using Pb(NO3)2 were choosing to adding soil (loam) pots. Then sampling were done from leave, root and stem of two species in 3 repeat. Dry acid digestion method was used to prepare the samples. The concentrations of heavy metals in the samples were analyzed using ICP-OES. Results between two species showed that totally there is no significant difference between two species (Eucalyptus Microtheca, Eucalyptus camaldulensis) in Pb and Cu absorption. But result of comparing between different concentrations and organs indicated roots showed better function and in this regard E. camaldulensis illustrated better results. As Maximum Pb absorbtion in root of two species (E. camaldulensis and Eucalyptus Microtheca) are 4323.3, 3226 mg/kg respectively and Maximum Cu absorbtion in root of two species are 1382/2, 846 mg/kg respectivel . Also, there is significant difference between absorption and threshold limit in two species that showed this species has a good ability for phytoremediation and removal pollutant from soil.
Article Type:
Research/Original Article
Language:
Persian
Published:
Journal of Plant Research, Volume:31 Issue:3, 2018
Pages:
642 - 654
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