Phytoremediation of a pyrene-contaminated soil by Cannabis sativa L. at different initial pyrene concentrations
| Autor: | Ilaria Gabriele, Marco Race, Stefano Papirio, Patrizia Papetti, Giovanni Esposito |
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| Přispěvatelé: | Gabriele, Ilaria, Race, Marco, Papirio, Stefano, Papetti, Patrizia, Esposito, Giovanni |
| Rok vydání: | 2022 |
| Předmět: |
Environmental Engineering
Pyrenes Bioavailability Health Toxicology and Mutagenesis Polycyclic aromatic hydrocarbonsSoilCannabis sativa L.BioavailabilityDehydrogenase activity Public Health Environmental and Occupational Health General Medicine General Chemistry Pollution Polycyclic aromatic hydrocarbons Soil Biodegradation Environmental Dehydrogenase activity Environmental Chemistry Soil Pollutants Cannabis sativa L Polycyclic aromatic hydrocarbons Soil Cannabis sativa L. Bioavailability Dehydrogenase activity Soil Microbiology Cannabis |
| Zdroj: | Chemosphere. 300 |
| ISSN: | 1879-1298 |
| Popis: | This study proposes the phytoremediation of a pyrene (PYR)-contaminated soil by Cannabis sativa L. The experimental campaign was conducted along a 60 days period using three different initial PYR concentrations (i.e., 50, 100 and 150 mg·kg TS−1 of soil) in 300 mL volume pots under greenhouse conditions (18–25 °C and 45–55% humidity). After 60 days of hemp growth and flourishing, the highest PYR removal reached approximately 95% in planted soil, 35% higher than in the unplanted control. PYR accumulation was observed in both roots and aerial parts of the plant, with a higher PYR uptake at increasing initial PYR concentrations in soil. The initial PYR concentration affected the growth and, thus, the phytoremediation potential of C. sativa L., which was the result of different removal mechanisms. Overall, the lowest initial PYR concentration was the one that resulted in the highest PYR removal. The interaction between the plant roots and microorganisms in rhizosphere was likely associated with PYR removal in this study. The highest DHO activity of 66.26 μg INTF g−1 TS−1 was observed in the soil spiked with 50 mg PYR·kg TS−1. |
| Databáze: | OpenAIRE |
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