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Title: | Phytostabilization of Pb and Cd polluted soils using Helianthus petiolaris as pioneer aromatic plant species | Authors: | SARAN, Anabel Fernandez, L. Cora, F. Savio, M. THIJS, Sofie VANGRONSVELD, Jaco Merini, L. J. |
Issue Date: | 2020 | Publisher: | TAYLOR & FRANCIS INC | Source: | INTERNATIONAL JOURNAL OF PHYTOREMEDIATION, 22 (5), p. 459-467 | Abstract: | The area of soils polluted with heavy metals is increasing due to industrialization and globalization. Aromatic plant species can be a suitable alternative way for agricultural valorization and phytomanagement of such soils by the commercialization of essential oils avoiding risks for the food chain. The potential of growing Helianthus petiolaris in heavy metal polluted soils was assessed in pot experiments using spiked soils and soils from a shooting range. In terms of phytostabilization, H. petiolaris could grow in soils containing 1000?mg/kg Pb2+, 50?mg/kg Cd2+, accumulating more than three times the soil Cd content in the aerial parts and translocating significant amounts of Pb to the aerial parts when growing in soils polluted with up to 500?mg/kg Pb. ?When phytostabilization is considered, phytotoxicity of heavy metals strongly depends on the rhizospheric microbial communities, either by mitigating trace element phytotoxicity or promoting plant growth via phytohormone production. So, the effects of heavy metals on the diversity of the rhizospheric bacterial community were assessed using DNA-fingerprinting. | Keywords: | Phytostabilization;phytomanagement;heavy metals;Helianthus petiolaris;rhizospheric bacterial communities | Document URI: | http://hdl.handle.net/1942/29992 | ISSN: | 1522-6514 | e-ISSN: | 1549-7879 | DOI: | 10.1080/15226514.2019.1675140 | ISI #: | 000492217600001 | Rights: | 2019 Taylor & Francis Group, LLC | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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10.1080@15226514.2019.1675140.pdf Restricted Access | Published version | 1.49 MB | Adobe PDF | View/Open Request a copy |
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