Improvement of phytoremediation of an aged petroleum hydrocarbon-contaminated soil by Rhodococcus erythropolis CD 106 strain.

作者: Tomasz Płociniczak , Ewa Fic , Magdalena Pacwa-Płociniczak , Małgorzata Pawlik , Zofia Piotrowska-Seget

DOI: 10.1080/15226514.2016.1278420

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摘要: The aim of this study was to assess the impact soil inoculation with Rhodococcus erythropolis CD 106 strain on effectiveness phytoremediation an aged hydrocarbon-contaminated [approx. 1% total petroleum hydrocarbon (TPH)] using ryegrass (Lolium perenne). introduction into significantly increased biomass and removal hydrocarbons in planted soil. fresh weight shoots roots plants inoculated by 49% 30%, respectively. After 210 days experiment, concentration TPH reduced 31.2%, whereas planted, non-inoculated soil, it 16.8%. By contrast, decreased 18.7% non-planted bioaugmented strain. rifampicin-resistant survived after detected during entire experimental period, but number cells constantly enhanced bioaugmentation experiments. plant growth-promoting hydrocarbon-degrading properties 106, which are connected its long-term survival limited autochthonous microflora, make a good candidate for improving efficiency contaminated hydrocarbons.

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