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Evaluación de la degradación del plaguicida clorpirifos en muestras de suelo utilizando el hongo Phanerochaete chrysosporium

Authors: Lopera Mesa, Margarita María; Peñuela Mesa, Gustavo Antonio; Domínguez Gual, María Carolina; Mejía Zapata, Gloria María;

Evaluación de la degradación del plaguicida clorpirifos en muestras de suelo utilizando el hongo Phanerochaete chrysosporium

Abstract

RESUMEN: Se evaluó la degradación del insecticida clorpirifos en muestras de suelo durante 21 días, utilizando el hongo Phanerochaete chrysosporium. En los ensayos se obtuvieron porcentajes de degradación, en promedio, para las muestras con hongo, de 96,3, 82,4 y 62,2% cuando se trabajaron, respectivamente, con concentraciones iniciales de clorpirifos de 0,95, 5,3 y 9,4 µg/g. Igualmente, los porcentajes de degradación estuvieron acompañados del aumento en la velocidad de degradación, cuando se partió de la concentración inicial de 0,95 µg/g.

ABSTRACT: Degradation of the insecticide chlorpyrifos was investigated in sterilized soil samples supplemented by the white rot basidiomycete Phanerochaete chrysosporium. Degradation rates were measured during 21-day incubation at pesticide concentrations of 0,95, 5,3, and 9,4 µg/g. Phanerochaete chrysosporium showed ability to biodegrade the insecticide in values of 96,3%, 82,4% and 62,2%, respectively, followed by rapid degradation at low initial concentration of chlorpyrifos.

COL0040402

Country
Colombia
Keywords

Insecticides, suelos, Plaguicidas, Suelo, Insecticidas, Hongos, Soil, clorpirifos, organofosforados, Clorpirifos, http://aims.fao.org/aos/agrovoc/c_3887, Pesticides, http://aims.fao.org/aos/agrovoc/c_31313, http://aims.fao.org/aos/agrovoc/c_3145, Fungi, http://aims.fao.org/aos/agrovoc/c_5739, Engineering (General). Civil engineering (General), pesticidas, phanerochaete chrysosporium, degradación, Organofosforados, insecticidas, hongos, Chlorpyrifos, TA1-2040, http://aims.fao.org/aos/agrovoc/c_7156, ligninolíticos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green
gold