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dc.contributor.authorPérez Mayán, Leticia
dc.contributor.authorRamil Criado, María
dc.contributor.authorCela Torrijos, Rafael
dc.contributor.authorRodríguez Pereiro, Isaac
dc.identifier.citationChemosphere. Volume 261, December 2020, 127696
dc.description.abstractThe presence of fungicide and insecticide residues in wine has been largely investigated. However, few studies have addressed the persistence of these compounds in vineyard soils. In this research, we investigate the residues of a relevant number of fungicides and insecticides in vineyard soils, obtained in the Northwest of Spain, at the beginning of each agriculture campaign. Moreover, the dissipation of species showing high concentrations were monitored during the non-vegetative period of vines, in order to understand their soil evolution between application campaigns. To this end, a multiresidue analytical procedure based on pressurized liquid extraction (PLE) followed by liquid chromatography tandem mass spectrometry (LC-MS/MS) determination was first optimized. Under final working conditions, absolute recoveries in the range from 70 to 130% were achieved for 44 out of 51 selected compounds. The method LOQs remained at the low ng g−1 level (0.2–13 ng g−1) with a linear response range up to 500 ng g−1. Analysis of vineyard soils, collected during a 2-year period, from a geographic area with a high incidence of fungal diseases, demonstrated the presence of relevant concentrations of several fungicides and the insecticide imidacloprid (IMI) in this compartment. Most compounds detected at the end of the application season remained in soil at the beginning of the next year campaign. Among them, six fungicides (dimethomorph, boscalid, myclobutanil, penconazole, pyraclostrobin and pyrimethanil) and IMI showed average dissipation efficiencies below 50%, so they pose a potential to accumulate in this kind of soils
dc.description.sponsorshipL.P.M acknowledges a FPU grant to the Spanish Ministry of Science. This study was supported by Xunta de Galicia and Spanish Government through grants GRC-ED431C 2017/36, PGC2018-094613-B-I00, both co-funded by the EU FEDER program
dc.rights© 2020 Elsevier Ltd. This manuscript version is made available under the CC-BY-NC-ND 4.0 license (
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional
dc.subjectVineyard soil
dc.subjectLiquid chromatography-mass spectrometry
dc.titleMultiresidue procedure to assess the occurrence and dissipation of fungicides and insecticides in vineyard soils from Northwest Spain
dc.contributor.affiliationUniversidade de Santiago de Compostela. Departamento de Química Analítica, Nutrición e Bromatoloxía
dc.contributor.affiliationUniversidade de Santiago de Compostela. Instituto de Investigación e Análises Alimentarias

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© 2020 Elsevier Ltd. This manuscript version is made available under the CC-BY-NC-ND 4.0 license (
Except where otherwise noted, this item's license is described as  © 2020 Elsevier Ltd. This manuscript version is made available under the CC-BY-NC-ND 4.0 license (

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