Sublethal toxicity of chlorpyrifos on Octolasion cyaneum (Annelida: Oligochaeta, Lumbricidae)

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The aim of this study was to evaluate the survival, biomass, reproductiveparameters and morphological changes of Octolasion cyaneum (Annelida:Oligochaeta, Lumbricidae) exposed to different concentrations of chlorpyrifos. The experimental unit consisted of a container with 750 g of soil mixed with th...

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Autores principales: Salvio, c., Manetti, P.L., Clemente, N.L., Menone, M.L., López, A.N.
Formato: Artículo revista
Lenguaje:Español
Publicado: Facultad de Ciencias Agropecuarias. Área de Difusión Científica 2015
Materias:
Earthworm
ecotoxicological bioassay
neurotoxic insecticide.
lombriz
bioensayo ecotoxicológico
insecticida neurotóxico.
Acceso en línea:https://revistas.unc.edu.ar/index.php/agris/article/view/16564
Aporte de:
Revistas de la UNC de Universidad Nacional de Córdoba
id I10-R10article-16564
record_format ojs
institution Universidad Nacional de Córdoba
institution_str I-10
repository_str R-10
container_title_str Revistas de la UNC
language Español
format Artículo revista
topic Earthworm
ecotoxicological bioassay
neurotoxic insecticide.
lombriz
bioensayo ecotoxicológico
insecticida neurotóxico.
spellingShingle Earthworm
ecotoxicological bioassay
neurotoxic insecticide.
lombriz
bioensayo ecotoxicológico
insecticida neurotóxico.
Salvio, c.
Manetti, P.L.
Clemente, N.L.
Menone, M.L.
López, A.N.
Sublethal toxicity of chlorpyrifos on Octolasion cyaneum (Annelida: Oligochaeta, Lumbricidae)
topic_facet Earthworm
ecotoxicological bioassay
neurotoxic insecticide.
lombriz
bioensayo ecotoxicológico
insecticida neurotóxico.
author Salvio, c.
Manetti, P.L.
Clemente, N.L.
Menone, M.L.
López, A.N.
author_facet Salvio, c.
Manetti, P.L.
Clemente, N.L.
Menone, M.L.
López, A.N.
author_sort Salvio, c.
title Sublethal toxicity of chlorpyrifos on Octolasion cyaneum (Annelida: Oligochaeta, Lumbricidae)
title_short Sublethal toxicity of chlorpyrifos on Octolasion cyaneum (Annelida: Oligochaeta, Lumbricidae)
title_full Sublethal toxicity of chlorpyrifos on Octolasion cyaneum (Annelida: Oligochaeta, Lumbricidae)
title_fullStr Sublethal toxicity of chlorpyrifos on Octolasion cyaneum (Annelida: Oligochaeta, Lumbricidae)
title_full_unstemmed Sublethal toxicity of chlorpyrifos on Octolasion cyaneum (Annelida: Oligochaeta, Lumbricidae)
title_sort sublethal toxicity of chlorpyrifos on octolasion cyaneum (annelida: oligochaeta, lumbricidae)
description The aim of this study was to evaluate the survival, biomass, reproductiveparameters and morphological changes of Octolasion cyaneum (Annelida:Oligochaeta, Lumbricidae) exposed to different concentrations of chlorpyrifos. The experimental unit consisted of a container with 750 g of soil mixed with the concentration of the insecticide and 10 adult individuals (weight range: 300-600 mg). The treatments were: 0, 120, 240, 480 (recommended application concentration), 960 and 1440 g of chlorpyrifos ha-1. The design was completely randomized with four replications and was conducted under controlled conditions (20±2ºC, 14L: 10O). O. cyaneum biomass differed between treatments at 7, 14 and 28 days after application (DAA) (p<0.05), and showed the highest biomass in the control. The number of cocoons and juveniles at 56 DAA was higher in the control compared to the other treatments (p<0.05). In the bioassay 235 individuals were alive and 5 were dead, nevertheless the 35% of organisms showed morphological changes. It was noted that the percentage of damage varied depending on the concentration of the insecticide (p = 0.0046). Chlorpyrifos did not affect the survival of O. cyaneum but caused morphological changes and a reduction in biomass and reproductive parameters.  
publisher Facultad de Ciencias Agropecuarias. Área de Difusión Científica
publishDate 2015
url https://revistas.unc.edu.ar/index.php/agris/article/view/16564
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