Phytoremediation of contaminated soils containing gasoline using Ludwigia octovalvis (Jacq.) in greenhouse pots

Environmental Science and Pollution Research International
Asia Fadhile Al-MansooryNurina Anuar

Abstract

Greenhouse experiments were carried out to determine the phytotoxic effects on the plant Ludwigia octovalvis in order to assess its applicability for phytoremediation gasoline-contaminated soils. Using plants to degrade hydrocarbons is a challenging task. In this study, different spiked concentrations of hydrocarbons in soil (1, 2, and 3 g/kg) were tested. The results showed that the mean efficiency of total petroleum hydrocarbon (TPH) removal over a 72-day culture period was rather high. The maximum removal of 79.8 % occurred for the 2 g/kg concentration, while the removal rate by the corresponding unplanted controls was only (48.6 %). The impact of gasoline on plants included visual symptoms of stress, yellowing, growth reduction, and perturbations in the developmental parameters. The dry weight and wet weight of the plant slightly increased upon exposure to gasoline until day 42. Scanning electron microscopy (SEM) indicated change to the root and stem structure in plant tissue due to the direct attachment with gasoline contaminated compared to the control sample. The population of living microorganisms in the contaminated soil was found to be able to adapt to different gasoline concentrations. The results showed that L. octo...Continue Reading

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Citations

Dec 14, 2019·Environmental Science and Pollution Research International·Ricksy PrematuriKeitaro Tawaraya
Aug 6, 2016·Environmental Science and Pollution Research International·Tao HanYingying Wang
Aug 21, 2020·Scientific Reports·Israa Abdulwahab Al-BaldawiNurina Anuar
Nov 10, 2020·Chemosphere·Asia Fadhile AlmansoorySetyo Budi Kurniawan
Sep 9, 2021·Environmental Science and Pollution Research International·Fida HussainSohail Yousaf

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