search
for
 About Bioline  All Journals  Testimonials  Membership  News


Zootecnia Tropical
Instituto Nacional de Investigaciones Agrícolas Venezuela
ISSN: 0798-7269
Vol. 25, No. 1, 2007, pp. 63-69
Bioline Code: zt07008
Full paper language: Spanish
Document type: Research Article
Document available free of charge

Zootecnia Tropical, Vol. 25, No. 1, 2007, pp. 63-69

 en Essential oils toxicity related to Varroa destructor check for this species in other resources and Apis mellifera check for this species in other resources under laboratory conditions
Ruffinengo, Sergio; Maggi, Matias; Faverin, Claudia; García de la Rosa, Susana B.; Bailac, Predo; Principal, Judith & Eguaras, Martin

Abstract

Acaricidal effect of Tagetes minuta check for this species in other resources , Heterotheca latifolia check for this species in other resources , and Eucaliptus check for this species in other resources sp. essential oils against Varroa destructor and their toxicity for Apis mellifera L. were evaluated under laboratory conditions in two assays. In the first experiment, 10 mg of plant active principles were prepared in water solution with an emulsionant at 3, 4, and 5% concentrations. For each component and to each dose, 10 females V. destructor were pulverized in a Burgerjon tower and transferred to a Petri dish with 5 bee pupae to an incubation stove at 70% RH and 33-34°C for 3 days. Dead and alive mites were counted 12, 24, and 48 h after treatment for five replications and their controls. No significant differences were found among doses of the same component and its effectiveness varied between 63 to 84% related to the control groups. In the second assay, 100 adult bees were pulverized with 10 mg of a 5% solution of the components and placed in an incubator stove at 70% RH and 33-34°C. Four replications and a control treatment for each sample were taken simultaneously. Dead and alive bees for each replication were counted 72 h post-treatments. There were not significant differences in bee mortality among the control groups (P>0.05) and it was relatively low for all treatments except for eucalyptol in which the bee mortality percentage was higher than 58%. It was concluded that T. minuta and H. latifolia essential oils can play an important role in an integrated pest management program to control Varroosis in honey bee colonies.

Keywords
Varroa destructor, Apis mellifera, essential oils, Tagetes minuta, Heterotheca latifolia, eucalyptol.

 
 es Toxicidad de aceites esenciales relacionados con Varroa destructor check for this species in other resources y Apis mellifera check for this species in other resources en condiciones de laboratorio
Ruffinengo, Sergio; Maggi, Matias; Faverin, Claudia; García de la Rosa, Susana B.; Bailac, Predo; Principal, Judith & Eguaras, Martin

Resumen

El efecto acaricida de los aceites esenciales de Tagetes minuta check for this species in other resources , Heterotheca latifolia check for this species in other resources y Eucaliptus check for this species in other resources sp., contra Varroa destructor y su toxicidad sobre Apis mellifera L. fue evaluado en condiciones de laboratorio en dos ensayos diferentes. Para el primer ensayo, 10 mg del principio activo de las plantas fue disuelto en agua con un emulsionante al 3, 4 y 5%. Para cada componente y cada dosis, 10 hembras de V. destructor fueron pulverizadas en una torre de Burgerjon y transferidas a una cápsula de Petri con 5 pupas de abejas. Las cápsulas se mantuvieron en una estufa a 70% HR y 33-34°C durante tres días. Los ácaros muertos y vivos fueron contados a las 12, 24 y 48 h post-tratamiento para cinco réplicas y sus respectivos controles. No hubo diferencias significativas entre las dosis del mismo componente y su efectividad varió entre 63 y 84% en relación al control. En el segundo ensayo, 100 abejas adultas fueron pulverizadas con 10 mg de una solución al 5% de los componentes y colocadas en la estufa a 70% HR y 33-34°C. Cuatro réplicas y un control de cada muestra fueron tomadas simultáneamente. Las abejas muertas y vivas de cada réplica fueron contadas 72 h post-tratamiento. No hubo diferencias significativas en la mortalidad de las abejas entre los grupos control (P>0,05) y ésta fue relativamente baja para todos los tratamientos excepto para el eucaliptol cuyo porcentaje fue mayor al 58%. Se concluye que los aceites esenciales de T. minuta y H. latifolia pueden formar parte de un programa de manejo integrado de la Varroosis.

Palabras-clave
Varroa destructor, Apis mellifera, aceites esenciales, Tapetes minuta, Heterotheca latifolia, eucaliptol.

 
© Copyright 2007 - Zootecnia Tropical
Alternative site location: http://www.sian.inia.gob.ve/repositorio/revistas_ci/ZootecniaTropical/ztindice.htm

Home Faq Resources Email Bioline
© Bioline International, 1989 - 2024, Site last up-dated on 01-Sep-2022.
Site created and maintained by the Reference Center on Environmental Information, CRIA, Brazil
System hosted by the Google Cloud Platform, GCP, Brazil