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Control del fitofago Proarna bergie Distant. por el nematodo Heterorhabditis sp. en el cultivo del espárrago

Authors: C. Cedano; A. Julca;

Control del fitofago Proarna bergie Distant. por el nematodo Heterorhabditis sp. en el cultivo del espárrago

Abstract

Objetivo: Evaluar la cepa nativa NE2 de Heterorhabditis sp. sobre las ninfas de Proarna bergie en condiciones de campo, con el fin de reducir la incidencia de este fitófago en las raíces de espárrago que debilitan progresivamente la plantación y reducen el rendimiento. Métodos: Aplicación por inyección al sistema de riego del total de juveniles infectivos de Heterorhabditis sp. desarrollados en larvas de Galleria mellonella utilizando 2 000; 3 000 y 4 000 larvas por hectárea. Se utilizó un diseño de bloques completos al azar con tres tratamientos más un testigo sin aplicación y tres repeticiones. Se evaluó antes y después de la aplicación el número promedio de ninfas por punto de muestreo por tratamiento. Los datos fueron analizados utilizando el análisis de varianza y la prueba de Tukey. Resultados: todos los tratamientos evaluados afectaron las ninfas de Proarna bergie en campo, destacando la aplicación de 3 000 larvas de G. mellonella /ha. con el 57,63% de mortalidad de las ninfas. Conclusión: La aplicación de juveniles infectivos de Heterorhabditis sp. puede constituirse en alternativa de control biológico sostenible y de bajo impacto en la regulación de ninfas de P. bergie Distant. en espárrago.Palabras clave: Control biológico, nematodos entomopatógenos, juveniles infectivos, mortalidad de ninfas.

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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!
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