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ECUADOR ES CALIDAD - Revista Científica Ecuatoriana
Article . 2020 . Peer-reviewed
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IDENTIFICACIÓN Y EVALUACIÓN DE LA INCIDENCIA DE INSECTOS Y HONGOS BENÉFICOS ASOCIADOS A Diaphorina citri KUWAYAMA (HEMIPTERA: LIVIIDAE) EN PLANTAS TRASPATIO (Citrus spp. y Murraya paniculata) DEL CANTÓN CATAMAYO (LOJA - ECUADOR)

Authors: Marlon Erráez Aguilera; Marina Mazón; Henry Troya Armijos; Doris Valarezo Espinoza;

IDENTIFICACIÓN Y EVALUACIÓN DE LA INCIDENCIA DE INSECTOS Y HONGOS BENÉFICOS ASOCIADOS A Diaphorina citri KUWAYAMA (HEMIPTERA: LIVIIDAE) EN PLANTAS TRASPATIO (Citrus spp. y Murraya paniculata) DEL CANTÓN CATAMAYO (LOJA - ECUADOR)

Abstract

En los últimos años, la citricultura mundial se ha encontrado amenazada por la presencia del psílido asiático de los cítricos, Diaphorina citri, un insecto perjudicial por ser portador de la bacteria “Candidatus Liberibacter asiaticus (las)”, causante de la enfermedad Huanglongbing (HLB), que ha provocado la devastación de plantaciones y la reducción de la producción de cítricos en todo el mundo. En el año 2017 se reportó la presencia de D. citri en plantas traspatio del cantón Catamayo, en la provincia de Loja, por lo que la presente investigación tuvo por objetivo identificar los enemigos naturales (depredadores, parasitoides y hongos) asociados a D. citri, y evaluar su incidencia en campo. Para ello, se realizaron muestreos en plantas traspatio (Citrus spp. y Murraya paniculata) del cantón Catamayo. Los muestreos se efectuaron a una altura de 1,5 m de las plantas en los cuatro puntos cardinales de la misma. Se colectaron larvas y adultos de depredadores, ninfas parasitadas y adultos de parasitoides, y adultos de D. citri para el aislamiento de hongos. Como resultado de la identificación en el laboratorio, se determinó la presencia de 11 especies depredadoras (principalmente Cheilomenes sexmaculata y Chrysopa spp.), dos especies de parasitoides (Diaphorencyrtus sp. y Tamarixia radiata) y cuatro especies de hongos (Cladosporium sp., Fusarium sp., Aspergillus sp. y Alternaria sp.). Diaphorencyrtus sp. tuvo una tasa de parasitismo del 7,76 %. Estas especies podrían utilizarse para establecer programas de control biológico, aprovechando su potencial como reguladores de poblaciones de ninfas de Diaphorina citri.

Keywords

diaphorina citri, depredadores, enemigos naturales, Agriculture (General), parasitoides, SF1-1100, hongos entomopatógenos, S1-972, Animal culture

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    influence
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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!
3
Average
Average
Average
gold