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dc.contributor.author
Santos Da Paixao, Flavia Regina
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dc.contributor.author
Muniz, E.R.
dc.contributor.author
Barreto, L. P.
dc.contributor.author
Bernardo, C. C.
dc.contributor.author
Mascarin, G. M.
dc.contributor.author
Luz, C.
dc.contributor.author
Fernandes, Éverton
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dc.date.available
2018-06-18T15:42:32Z
dc.date.issued
2017-03
dc.identifier.citation
Santos Da Paixao, Flavia Regina; Muniz, E.R.; Barreto, L. P.; Bernardo, C. C.; Mascarin, G. M.; et al.; Increased heat tolerance afforded by oil-based conidial formulations of Metarhizium anisopliae and Metarhizium robertsii; Taylor & Francis Ltd; Biocontrol Science and Technology; 27; 3; 3-2017; 324-337
dc.identifier.issn
0958-3157
dc.identifier.uri
http://hdl.handle.net/11336/48987
dc.description.abstract
The thermotolerance of oil-based conidial formulations of Metarhizium anisopliae s.l. (IP 46) and Metarhizium robertsii (ARSEF 2575) were investigated. Conidia of IP 46 or ARSEF 2575 were suspended in different adjuvants and exposed to 45 ± 0.2°C for 4, 6, 8 or 24 h; their viability was then assessed after 48 h incubation at 27 ± 1°C. Conidia heated in pure mineral or vegetable oil exhibited mean relative viability exceeding 70% after 8 h of heat exposure, whereas low germination (≤20%) was observed when conidia were heated in water (Tween 80® 0.01%), carboxymethyl cellulose gel or emulsifiable oils (Graxol® or Assist®) and exposed to heat for 6 or 8 h. In addition, conidia of IP 46 suspended in either pure mineral or canola oil and exposed to heat for 48 h had moderate viability, 57% or 41%, respectively. Unstable oil-in-water emulsions showed a higher percentage of conidia incorporated into oil micellae, while the stable emulsions had higher percentage of conidia outside the oil micellae. The thermotolerance of conidia formulated in stable emulsions, however, did not differ from that of conidia formulated in unstable emulsions. The present study highlights possibilities to alleviate the deleterious effects of heat stress towards Metarhizium spp. conidia applied for controlling arthropod pests and vectors through oil-based formulations.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Taylor & Francis Ltd
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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
Adjuvants
dc.subject
Conidial Thermotolerance
dc.subject
Entomopathogenic Fungi
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Oil-In-Water Emulsion
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Increased heat tolerance afforded by oil-based conidial formulations of Metarhizium anisopliae and Metarhizium robertsii
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-14T19:06:28Z
dc.journal.volume
27
dc.journal.number
3
dc.journal.pagination
324-337
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: Santos Da Paixao, Flavia Regina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata. Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner". Universidad Nacional de la Plata. Facultad de Ciencias Médicas. Instituto de Investigaciones Bioquímicas de La Plata ; Argentina. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Muniz, E.R.. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Barreto, L. P.. Universidade Federal de Goiás; Brasil
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Fil: Bernardo, C. C.. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Mascarin, G. M.. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Luz, C.. Universidade Federal de Goiás; Brasil
dc.description.fil
Fil: Fernandes, Éverton. Universidade Federal de Goiás; Brasil
dc.journal.title
Biocontrol Science and Technology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1080/09583157.2017.1281380
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.tandfonline.com/doi/full/10.1080/09583157.2017.1281380
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