Effects of Galleria mellonella cadavers infected with Heterorhabditis bacteriophora and Steinernema rarum, their macerates and dead infective juveniles on Meloidogyne javanica suppression

Nematodes of the Meloidogyne genus affect to most of crops of an economic importance in Argentina. Researches related to new control strategies are needed to reduce the damage produced by these organisms. The objective of this work was to compare the effects of Galleria mellonella cadavers infected...

Descripción completa

Detalles Bibliográficos
Autores: Del Valle, Eleodoro Eduardo, Doucet, Marcelo Edmundo
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2014
País:Argentina
Institución:Universidad Nacional de Cuyo
Repositorio:Biblioteca Digital (UNCu)
Idioma:inglés
OAI Identifier:oai:bdigital.uncu.edu.ar:6456
Acceso en línea:http://bdigital.uncu.edu.ar/6456
Access Level:acceso abierto
Palabra clave:Nematodos entomófilos
Control biológico
Meloidogyne javanica
Entomophilic nematodes
Biological control
Heterorhabditis bacteriophora
Descripción
Sumario:Nematodes of the Meloidogyne genus affect to most of crops of an economic importance in Argentina. Researches related to new control strategies are needed to reduce the damage produced by these organisms. The objective of this work was to compare the effects of Galleria mellonella cadavers infected with the Argentine isolates Heterorhabditis bacteriophora Rama Caída and Steinernema rarum NOE, cadaver macerates and dead infective juveniles (IJs) on M. javanica suppression. Experiments were performed using 24-well plates and pepper plants grown in a growth chamber. The entomopathogenic nematodes-infected G. mellonella cadavers, their cadaver macerates and dead IJs were effective in suppressing M. javanica second-stage juveniles under laboratory conditions. The use of H. bacteriophora-infected cadavers caused a significant decrease in the number of galls and egg masses on pepper plants parasitized by M. javanica, in a growth-chamber.