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Single and mixture toxicity of abamectin and difenoconazole to adult zebrafish (Danio rerio).
Sanches, Ana Letícia Madeira; Vieira, Bruna Horvath; Reghini, Marina Vanderlei; Moreira, Raquel Aparecida; Freitas, Emanuela Cristina; Espíndola, Evaldo L G; Daam, Michiel A.
Afiliação
  • Sanches ALM; NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil. Electronic address: analeticiamsanches@gmail.com.
  • Vieira BH; NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil.
  • Reghini MV; NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil.
  • Moreira RA; Department of Ecology and Evolutionary Biology, Federal University of São Carlos, Rodovia Washington Luis, Km 235, 13565-905, São Carlos, SP, Brazil.
  • Freitas EC; NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil.
  • Espíndola ELG; NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil.
  • Daam MA; NEEA/CRHEA/SHS, São Carlos Engineering School, University of São Paulo, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil; CENSE, Department of Environmental Sciences and Engineering, Faculty of Sciences and Technology, New University of Lisbon, Quinta da Torre, 2829-516 Caparica, Por
Chemosphere ; 188: 582-587, 2017 Dec.
Article em En | MEDLINE | ID: mdl-28917210
Concerns have been raised in recent years on the potential risks related with pesticide mixtures that are likely to be present in agricultural edge-of-field waterbodies. Despite the high use of pesticides in tropical countries like Brazil, studies evaluating pesticide mixtures are especially scarce in the tropics. The insecticide abamectin and the fungicide difenoconazole are the main pesticides intensively used in Brazilian strawberry crop and are hence likely to occur simultaneously. The aim of the present study was therefore to evaluate the toxicity of abamectin, difenoconazole and their mixture to the tropical fish Danio rerio. Laboratory toxicity tests with the individual pesticides indicated 48 h-LC50 values of 59 µg L-1 for abamectin and 1.4 mg L-1 for difenoconazole. Mixtures of the two pesticides revealed a synergistic deviation of the independent action model. Implications of study findings for the aquatic risk assessment of pesticide mixtures, especially in tropical countries and indications for future research are discussed.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Praguicidas / Triazóis / Poluentes Químicos da Água / Ivermectina / Dioxolanos Tipo de estudo: Prognostic_studies / Risk_factors_studies Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: Chemosphere Ano de publicação: 2017 Tipo de documento: Article País de publicação: Reino Unido
Texto completo
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Praguicidas / Triazóis / Poluentes Químicos da Água / Ivermectina / Dioxolanos Tipo de estudo: Prognostic_studies / Risk_factors_studies Limite: Animals País/Região como assunto: America do sul / Brasil Idioma: En Revista: Chemosphere Ano de publicação: 2017 Tipo de documento: Article País de publicação: Reino Unido