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Assessment of plants for phytoremediation of hydrocarbon-contaminated soils in the Sudd Wetland of South Sudan

Author

Listed:
  • Jane Alexander Ruley

    (Department of Agricultural Production, Makerere University, Kampala, Uganda
    Department of Agricultural Sciences, University of Juba, Juba, South-Sudan)

  • John Baptist Tumuhairwe

    (Department of Agricultural Production, Makerere University, Kampala, Uganda)

  • Alice Amoding

    (Department of Agricultural Production, Makerere University, Kampala, Uganda)

  • Emmanuel Opolot

    (Department of Agricultural Production, Makerere University, Kampala, Uganda)

  • Hannington Oryem-Origa

    (Department of Natural Sciences, Makerere University, Kampala, Uganda)

  • Twaha Basamba

    (Department of Agricultural Production, Makerere University, Kampala, Uganda)

Abstract

Hydrocarbon contaminants have become a global concern due to their long-term adverse effects on soil ecosystems and human health. Successful implementation of phytoremediation to clean up hydrocarbon contaminants requires the identification of the most effective remediation plant species. Twelve native plant species of the Sudd Wetland in South Sudan were evaluated for their potential application as phytoremediators. The treatments included six total petroleum hydrocarbon (TPH) concentrations of 0, 25, 50, 75, 100 and 125 g/kg soil. The twelve native plant species tested were: Sorghum arundinaceum Desv., Oryza longistaminata A. Chev. & Roehrich, Hyparrhenia rufa Nees, Abelmoschus ficulneus L., Gossypium barbadense L., Nicotiana tabacum L., Sorghum bicolour L. Moench, Eleusine coracana Gaertn., Capsicum frutescens L., Zea mays L., Tithonia diversifolia Hemsl. and Medicago sativa L. Significant differences in phytoremediation rates were observed amongst the treatments with exception of the 125 g/kg soil concentration of hydrocarbon that was lethal to all the plant species. Over 50% TPH reduction in the 75 g/kg soil concentration was observed in contaminated soil phytoremediation in H. rufa, G. barbadense, O. longistaminata, T. diversifolia and S. arundinaceum, making them potential phytoremediators of hydrocarbon-contaminated soil in the Sudd-Wetland of South-Sudan.

Suggested Citation

  • Jane Alexander Ruley & John Baptist Tumuhairwe & Alice Amoding & Emmanuel Opolot & Hannington Oryem-Origa & Twaha Basamba, 2019. "Assessment of plants for phytoremediation of hydrocarbon-contaminated soils in the Sudd Wetland of South Sudan," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 65(9), pages 463-469.
    • Handle: RePEc:caa:jnlpse:v:65:y:2019:i:9:id:322-2019-pse
    DOI: 10.17221/322/2019-PSE
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    References listed on IDEAS

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    1. Victor J. Odjegba & A. O. Sadiq, 2002. "Effects of spent engine oil on the growth parameters, chlorophyll and protein levels of Amaranthus hybridus L," Environment Systems and Decisions, Springer, vol. 22(1), pages 23-28, March.
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    Cited by:

    1. Senad Murtić & Ćerima Zahirović & Hamdija Čivić & Emina Sijahović & Josip Jurković & Jasna Avdić & Emir Šahinović & Adnana Podrug, 2021. "Phytoaccumulation of heavy metals in native plants growing on soils in the Spreča river valley, Bosnia and Herzegovina," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 67(9), pages 533-540.

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