Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters

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The objective of this work was to evaluate the effects of chlorpyrifos on earthworms and on soil functional parameters. An integrated laboratory-field study was performed in a wheat fi eld in Argentina, sprayed with chlorpyrifos at two recommended application rates (240 or 960 g ha -1 a.i.). Laborat...

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Autores principales:	Piola, L., Fuchs, J., Oneto, M.L., Basack, S., Giménez, R., Massaro, R., Papa, J.C., Kesten, E., Casabé, N.
Formato:	Artículo publishedVersion
Lenguaje:	Inglés
Publicado:	2009
Materias:	Agricultural soil Eisenia andrei Field assay Laboratory bioassay Triticum aestivum
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_0100204X_v44_n8_p874_Piola
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

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spelling	paperaa:paper_0100204X_v44_n8_p874_Piola2023-06-12T16:46:25Z Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters Pesqui. Agropecu. Bras. 2009;44(8):874-880 Piola, L. Fuchs, J. Oneto, M.L. Basack, S. Giménez, R. Massaro, R. Papa, J.C. Kesten, E. Casabé, N. Agricultural soil Eisenia andrei Field assay Laboratory bioassay Eisenia andrei Triticum aestivum The objective of this work was to evaluate the effects of chlorpyrifos on earthworms and on soil functional parameters. An integrated laboratory-field study was performed in a wheat fi eld in Argentina, sprayed with chlorpyrifos at two recommended application rates (240 or 960 g ha -1 a.i.). Laboratory tests included neutral red retention time, comet assay (single cell gel electrophoresis), and avoidance behavior, each using the earthworm Eisenia andrei exposed in soil collected 1 or 14 days after pesticide application, and the bait-lamina test. Field tests assessed organic matter breakdown using the litterbag and bait-lamina assays. Earthworm populations in the field were assessed using formalin application and hand-sorting. The neutral red retention time and comet assays were sensitive biomarkers to the effects of chlorpyrifos on the earthworm E. andrei; however, the earthworm avoidance test was not sufficiently robust to assess these effects. Feeding activity of soil biota, assessed by the bait lamina test, was significantly inhibited by chlorpyrifos after 97 days, but recovered by the 118th day of the test. Litterbag test showed no significant differences in comparison to controls. Earthworm abundance in the fi eld was too low to adequately test the sensitivity of this assessment endpoint. Fil:Piola, L. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Kesten, E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Casabé, N. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2009 info:eu-repo/semantics/article info:ar-repo/semantics/artículo info:eu-repo/semantics/publishedVersion application/pdf eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_0100204X_v44_n8_p874_Piola
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
language	Inglés
orig_language_str_mv	eng
topic	Agricultural soil Eisenia andrei Field assay Laboratory bioassay Eisenia andrei Triticum aestivum
spellingShingle	Agricultural soil Eisenia andrei Field assay Laboratory bioassay Eisenia andrei Triticum aestivum Piola, L. Fuchs, J. Oneto, M.L. Basack, S. Giménez, R. Massaro, R. Papa, J.C. Kesten, E. Casabé, N. Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters
topic_facet	Agricultural soil Eisenia andrei Field assay Laboratory bioassay Eisenia andrei Triticum aestivum
description	The objective of this work was to evaluate the effects of chlorpyrifos on earthworms and on soil functional parameters. An integrated laboratory-field study was performed in a wheat fi eld in Argentina, sprayed with chlorpyrifos at two recommended application rates (240 or 960 g ha -1 a.i.). Laboratory tests included neutral red retention time, comet assay (single cell gel electrophoresis), and avoidance behavior, each using the earthworm Eisenia andrei exposed in soil collected 1 or 14 days after pesticide application, and the bait-lamina test. Field tests assessed organic matter breakdown using the litterbag and bait-lamina assays. Earthworm populations in the field were assessed using formalin application and hand-sorting. The neutral red retention time and comet assays were sensitive biomarkers to the effects of chlorpyrifos on the earthworm E. andrei; however, the earthworm avoidance test was not sufficiently robust to assess these effects. Feeding activity of soil biota, assessed by the bait lamina test, was significantly inhibited by chlorpyrifos after 97 days, but recovered by the 118th day of the test. Litterbag test showed no significant differences in comparison to controls. Earthworm abundance in the fi eld was too low to adequately test the sensitivity of this assessment endpoint.
format	Artículo Artículo publishedVersion
author	Piola, L. Fuchs, J. Oneto, M.L. Basack, S. Giménez, R. Massaro, R. Papa, J.C. Kesten, E. Casabé, N.
author_facet	Piola, L. Fuchs, J. Oneto, M.L. Basack, S. Giménez, R. Massaro, R. Papa, J.C. Kesten, E. Casabé, N.
author_sort	Piola, L.
title	Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters
title_short	Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters
title_full	Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters
title_fullStr	Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters
title_full_unstemmed	Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters
title_sort	biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters
publishDate	2009
url	http://hdl.handle.net/20.500.12110/paper_0100204X_v44_n8_p874_Piola
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Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters

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