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hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorGARROUJ, Myriam
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMARCHAND, Lilian
hal.structure.identifierDiversité, Génomes & Interactions Microorganismes - Insectes [Montpellier] [DGIMI]
dc.contributor.authorFRAYSSINET, Marie
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorMENCH, Michel
hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorCASTAGNEYROL, Bastien
dc.date.issued2018
dc.identifier.issn1522-6514
dc.description.abstractEnAlfalfa was cultivated in two potted soil series obtained from two sandy soils contaminated by Cu (SM) and metal(loids)/PAH (CD). Shoot production was monitored for 8 weeks. Then, larvae of Spodoptera exigua were reared on alfalfa of both soil series for eight days. A biotest (using Phaseolus vulgaris) was used to assess the soil phytotoxicity. Increasing soil contamination reduced P. vulgaris growth, but alfalfa growth was only reduced on the SM soil series. Exposure to the SM soil was mirrored by shoot Cu and Cr concentrations of alfalfa (respectively, in mg kg -1 DW, Cu and Cr ranged from 11.9 and 0.4 in the CTRL soil to 98.5 and 1.2 in the SM one). Exposure to the CD soil series was mirrored by shoot Zn concentrations (i.e. 48 to 91.6 mg kg-1 DW). Internal metal(loid) concentrations of S. exigua remained generally steady across both soil series (respectively Cd 0.05-0.16, Cr 0.5-3.3, Cu 5.8-98.5, Ni 0.6-1.6, Pb 0.4-1.3 and Zn 57-337 mg kg-1 DW), and most of the associated transfer factors were lower than 1. Here, due to the excluder phenotype of alfalfa across our TE contamination gradients, S. exigua could cope with high total metal(loid) concentration in both contaminated soils.
dc.description.sponsorshipIntensify production, transform biomass to energy and novel goods and protect soils in Europe - ANR-15-SUSF-0007
dc.language.isoen
dc.publisherTaylor & Francis
dc.subject.enBiotransfer
dc.subject.enFood web
dc.subject.enHerbivore
dc.subject.enPhytomanagement
dc.subject.enPhytotoxicity
dc.title.enTrace element transfer from two contaminated soil series to Medicago sativa and one of its herbivores, Spodoptera exigua
dc.typeArticle de revue
dc.identifier.doi10.1080/15226514.2017.1374342
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalInternational Journal of Phytoremediation
bordeaux.page650-657
bordeaux.volume20
bordeaux.issue7
bordeaux.peerReviewedoui
hal.identifierhal-01837310
hal.version1
hal.popularnon
hal.audienceNon spécifiée
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01837310v1
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