Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)

The aim of this work was select entomopathogenic fungi tolerant to temperatures inside the brood area of honey bees (Apis mellifera) for to control Varroa destructor. For this purpose, 50 Beauveria bassiana (Balsamo) Vuillemin and 48 Metarhizium anisopliae (Metschn.) Sorokin isolates were evaluated...

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Autores principales:	Rodríguez,Marta, Gerding,Marcos, France,Andrés
Lenguaje:	English
Publicado:	Instituto de Investigaciones Agropecuarias, INIA 2009
Materias:	biological control entomopathogenic fungi varroasis entomopathology
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000400008
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spelling	oai:scielo:S0718-583920090004000082018-10-01Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)Rodríguez,MartaGerding,MarcosFrance,Andrés biological control entomopathogenic fungi varroasis entomopathology The aim of this work was select entomopathogenic fungi tolerant to temperatures inside the brood area of honey bees (Apis mellifera) for to control Varroa destructor. For this purpose, 50 Beauveria bassiana (Balsamo) Vuillemin and 48 Metarhizium anisopliae (Metschn.) Sorokin isolates were evaluated at 30 and 35 °C. For each isolate, colony discs of 5 mm with mycelium were placed in the center of a Petri dish with Sabouraud dextrose agar (SDA) medium. The dishes were incubated at 30 and 35 °C, without light. Radial growth of each colony was measured daily. All the B. bassiana and M. anisopliae isolates presented a lineal growth rate at a temperature of 30 °C. However, at 35 °C, most of the isolates did not grow, except three B. bassiana and 14 M. anisopliae isolates (P < 0.001). These isolates were selected to evaluate the pathogenicity on V. destructor by applying a suspension of 10(7) conidia mL-1. The most effective isolate was M. anisopliae Qu-M845 (P = 0.0033) which produced 85% mortality. The pathogenic capacity of this isolate on V. destructor and its tolerance to hive conditions allows us to consider this strain as an alternative to control this pest.info:eu-repo/semantics/openAccessInstituto de Investigaciones Agropecuarias, INIAChilean journal of agricultural research v.69 n.4 20092009-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000400008en10.4067/S0718-58392009000400008
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	biological control entomopathogenic fungi varroasis entomopathology
spellingShingle	biological control entomopathogenic fungi varroasis entomopathology Rodríguez,Marta Gerding,Marcos France,Andrés Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)
description	The aim of this work was select entomopathogenic fungi tolerant to temperatures inside the brood area of honey bees (Apis mellifera) for to control Varroa destructor. For this purpose, 50 Beauveria bassiana (Balsamo) Vuillemin and 48 Metarhizium anisopliae (Metschn.) Sorokin isolates were evaluated at 30 and 35 °C. For each isolate, colony discs of 5 mm with mycelium were placed in the center of a Petri dish with Sabouraud dextrose agar (SDA) medium. The dishes were incubated at 30 and 35 °C, without light. Radial growth of each colony was measured daily. All the B. bassiana and M. anisopliae isolates presented a lineal growth rate at a temperature of 30 °C. However, at 35 °C, most of the isolates did not grow, except three B. bassiana and 14 M. anisopliae isolates (P < 0.001). These isolates were selected to evaluate the pathogenicity on V. destructor by applying a suspension of 10(7) conidia mL-1. The most effective isolate was M. anisopliae Qu-M845 (P = 0.0033) which produced 85% mortality. The pathogenic capacity of this isolate on V. destructor and its tolerance to hive conditions allows us to consider this strain as an alternative to control this pest.
author	Rodríguez,Marta Gerding,Marcos France,Andrés
author_facet	Rodríguez,Marta Gerding,Marcos France,Andrés
author_sort	Rodríguez,Marta
title	Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)
title_short	Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)
title_full	Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)
title_fullStr	Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)
title_full_unstemmed	Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)
title_sort	selection of entomopathogenic fungi to control varroa destructor (acari: varroidae)
publisher	Instituto de Investigaciones Agropecuarias, INIA
publishDate	2009
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392009000400008
work_keys_str_mv	AT rodriguezmarta selectionofentomopathogenicfungitocontrolvarroadestructoracarivarroidae AT gerdingmarcos selectionofentomopathogenicfungitocontrolvarroadestructoracarivarroidae AT franceandres selectionofentomopathogenicfungitocontrolvarroadestructoracarivarroidae
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Selection of Entomopathogenic Fungi to Control Varroa destructor (Acari: Varroidae)

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