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Compatibilidade de isolados de Beauveria bassiana (Ascomycetes: Clavicipitaceae) com carrapaticidas químicos utilizados no controle do carrapato dos bovinos Compatibility of Beauveria bassiana (Ascomycetes: Clavicipitaceae) with chemicals acaricides used in the control of cattle tick

Authors: Leila A. G. Barci; Inajá M. Wenzel; José Eduardo M. de Almeida; Adriana H. de Campos Nogueira; Angelo P. do Prado;

Compatibilidade de isolados de Beauveria bassiana (Ascomycetes: Clavicipitaceae) com carrapaticidas químicos utilizados no controle do carrapato dos bovinos Compatibility of Beauveria bassiana (Ascomycetes: Clavicipitaceae) with chemicals acaricides used in the control of cattle tick

Abstract

O presente trabalho teve como escopo avaliar a compatibilidade dos isolados IBCB66 e IBCB21 de Beauveria bassiana com os carrapaticidas a base de Flumetrina + Coumafós, Deltametrina, Diclorvós + Cipermetrina, Diclorvós + Clorpirifós, Cipermetrina High Cis, Diclorvós + Cipermetrina High Cis, Cipermetrina e Amitraz utilizados no controle do carrapato Rhipicephalus (Boophilus) microplus em nosso país. O efeito dos produtos comerciais sobre os isolados foi verificado por meio da observação do crescimento vegetativo, produção de conídios e viabilidade das estirpes do fungo B. bassiana. Com referência ao isolado IBCB66, os produtos Deltametrina, Cipermetrina High Cis e Amitraz foram classificados como compatíveis, não interferindo no desenvolvimento do entomopatógeno. O produto Cipermetrina foi classificado como tóxico e os produtos Flumetrina + Coumafós, Diclorvós + Cipermetrina, Diclorvós + Clorpirifós e Diclorvós + Cipermetrina High Cis, muito tóxicos. Em relação ao isolado IBCB21, os produtos Flumetrina + Coumafós, Diclorvós + Cipermetrina, Diclorvós + Clorpirifós, Cipermetrina High Cis, Diclorvós + Cipermetrina High Cis e Cipermetrina foram classificados como muito tóxicos e o produto Amitraz como tóxico. Entre os carrapaticidas avaliados, o produto Deltametrina foi o único que não produziu efeito tóxico sobre o entomopatógeno.The purpose of the present study was to assess compatibility between IBCB66 and IBCB21 isolates of Beauveria bassiana and acaricides: Flumethrin + Coumaphos, Deltamethrin, Dichlorvos + Cypermethrin, Dichlorvos + Chlorpyrifos, Cypermethrin High Cis, Dichlorvos + Cypermethrin High Cis, Cypermethrin and Amitraz, utilized on the control of Rhipicephalus (Boophilus) microplus in our country. The effect of commercial products on the isolates was assayed according to observation of vegetative growth, conidia production, and viability of strains of B. bassiana fungus. With concerning about IBCB66 isolate, products Deltamethrin, Cypermethrin High Cis and Amitraz were compatible, not affecting the entomopathogen development. Product Cypermethrin was toxic, and products Flumethrin + Coumaphos, Dichlorvos + Cypermethrin, Dichlorvos+ Chlorpyrifos and Dichlorvos + Cypermethrin High Cis were very toxic. In regard to IBCB21 isolate, products Flumethrin + Coumaphos, Dichlorvos + Cypermethrin, Dichlorvos + Chlorpyrifos, Cypermethrin High Cis, Dichlorvos + Cypermethrin High Cis and Cypermethrin were very toxic and product Amitraz was toxic. From the acaricides evaluated, product Deltamethrin was the single agent that did not produce toxic effect on the entomopathogen.

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Keywords

viabilidade de conídios, crescimento vegetativo, sporulation, produtos comerciais, vegetative growth, Fungo entomopatogênico, SF1-1100, Animal culture, Entomopathogenic fungi, esporulação, commercial products, conidial viability

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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!
0
Average
Average
Average
gold