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vol.64 número2PREFERENCIA Y MANIPULACION FLORAL DE CENTRIS RODOPHTHALMA PEREZ (HYMENOPTERA: ANTHOPHORIDAE): FLORAL PREFERENCE AND MANIPULATION OF CENTRIS RODOPHTHALMA PEREZ (HYMENOPTERA: ANTHOPHORIDAE)DESCRIPCION DE LOS ESTADOS PREIMAGINALES DE HEMIEUXOA CONCHIDIA (BUTLER) índice de autoresíndice de materiabúsqueda de artículos
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Gayana (Concepción)

versión impresa ISSN 0717-652Xversión On-line ISSN 0717-6538

Resumen

IANNACONE, José; ALVARINO, Lorena; CABALLERO, Cecilia  y  SANCHEZ, Javier. FOUR ECOTOXICOLOGICAL ASSAYS TO EVALUATE LINDANE AND CHLORPYRIFOS. Gayana (Concepc.) [online]. 2000, vol.64, n.2, pp.139-146. ISSN 0717-652X.  http://dx.doi.org/10.4067/S0717-65382000000200003.

The environmental risk assessments of phytosanitary products is a main subject in the studies of the impact assessment in the agriculture areas. The ecotoxicity of the soil pesticides lindane and chlorpyrifos was performed with: the mortality in tubifids worm Limnodrilus hoffmeisteri (LC50 24h) and in three plants: seed germination assay in Lactuca sativa (IC90 96h), root elongation assay in Lycopersicon esculentum (IC50 96h) and the duckweed test in Lemna minor (EC50 48h) (chlorosis, necrosis, colony breakup and new fronds increased) sublethal effects were analized. Both agrochemistries in general showed a decrease order of ecotoxicity: Lycopersicon Lemna Lactuca Limnodrilus. In the three plant bioassays were seen a high toxicity to the organophosphate chlorpyrifos. The perspectives of use of these phytosanitary products in Perú, was analized for environmental risk assessment.

Palabras clave : Ecotoxicological assay; environmental risk; assessment; agrochemistry; lindane; chlorpyrifos; Limnodrilus; Lemna; Lycopersicon; Lactuca.

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