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dc.contributor.author
Alves, Fabrício M.
dc.contributor.author
Bernardo, Cíntia C.
dc.contributor.author
Santos Da Paixao, Flavia Regina
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dc.contributor.author
Barreto, Lucas P.
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Luz, Wolf Christian
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dc.contributor.author
Humber, Richard A.
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dc.contributor.author
Fernandes, Éverton
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dc.date.available
2018-06-15T18:52:10Z
dc.date.issued
2017-01
dc.identifier.citation
Alves, Fabrício M.; Bernardo, Cíntia C.; Santos Da Paixao, Flavia Regina; Barreto, Lucas P.; Luz, Wolf Christian; et al.; Heat-stressed Metarhizium anisopliae: viability (in vitro) and virulence (in vivo) assessments against the tick Rhipicephalus sanguineus; Springer; Parasitology Research; 116; 1; 1-2017; 111-121
dc.identifier.issn
0932-0113
dc.identifier.uri
http://hdl.handle.net/11336/48845
dc.description.abstract
The current study investigated the thermotolerance of Metarhizium anisopliae s.l. conidia from the commercial products Metarril® SP Organic and Metarril® WP. The efficacy of these M. anisopliae formulations against the tick Rhipicephalus sanguineus s.l. was studied in laboratory under optimum or heat-stress conditions. The products were prepared in water [Tween® 80, 0.01 % (v/v)] or pure mineral oil. Conidia from Metarril® SP Organic suspended in water presented markedly delayed germination after heating to constant 40 °C (for 2, 4, or 6 h) compared to conidia suspended in mineral oil. Metarril® SP Organic suspended in oil and exposed to daily cycles of heat-stress (40 °C for 4 h and 25 °C for 19 h for 5 consecutive days) presented relative germination of conidia ranging from 92.8 to 87.2 % from day 1 to day 5, respectively. Conversely, germination of conidia prepared in water ranged from 79.3 to 39.1 % from day 1 to day 5, respectively. Culturability of Metarril® WP decreased from 96 % when conidia were cultured for 30 min prior to heat exposure (40 °C for 4 h) to 9 % when conidia were cultured for 8 h. Tick percent control was distinctly higher when engorged females were treated with oil suspensions rather than water suspensions, even when treated ticks were exposed to heat-stress regimen. Oil-based applications protected fungal conidia against heat-stress. Although Metarril® is not registered for tick control, it may be useful for controlling R. sanguineus, especially if it is prepared in mineral oil.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Commercial Bioproduct
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Entomopathogenic Fungi
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Formulated Fungi
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Metarril
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Thermotolerance
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Tick Control
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Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
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dc.subject.classification
Otras Ciencias Veterinarias
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dc.subject.classification
Ciencias Veterinarias
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dc.subject.classification
CIENCIAS AGRÍCOLAS
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dc.title
Heat-stressed Metarhizium anisopliae: viability (in vitro) and virulence (in vivo) assessments against the tick Rhipicephalus sanguineus
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-14T19:06:26Z
dc.journal.volume
116
dc.journal.number
1
dc.journal.pagination
111-121
dc.journal.pais
Alemania
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dc.journal.ciudad
Berlin
dc.description.fil
Fil: Alves, Fabrício M.. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Bernardo, Cíntia C.. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Santos Da Paixao, Flavia Regina. Universidade Federal de Goiás; Brasil. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
dc.description.fil
Fil: Barreto, Lucas P.. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Luz, Wolf Christian. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Humber, Richard A.. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Fernandes, Éverton. Universidade Federal de Goiás; Brasil
dc.journal.title
Parasitology Research
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s00436-016-5267-z
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://link.springer.com/article/10.1007%2Fs00436-016-5267-z
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