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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/50670
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dc.creatorJoão Carlos Gomes Figueiredopt_BR
dc.creatorYule Roberta Ferreira Nunespt_BR
dc.creatorViviane de Oliveira Vasconcelospt_BR
dc.creatorSônia Ribeiro Arrudaspt_BR
dc.creatorFranciellen Morais Costapt_BR
dc.creatorGeisa Simone Caldeira Santospt_BR
dc.creatorFrancine Souza Alves da Fonsecapt_BR
dc.creatorEduardo Robson Duartept_BR
dc.date.accessioned2023-03-06T15:13:12Z-
dc.date.available2023-03-06T15:13:12Z-
dc.date.issued2019-12-02-
dc.citation.volume79pt_BR
dc.citation.spage447pt_BR
dc.citation.epage458pt_BR
dc.identifier.doihttps://doi.org/10.1007/s10493-019-00447-4pt_BR
dc.identifier.issn1572-9702pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/50670-
dc.description.resumoRhipicephalus microplus is the ectoparasite responsible for large economic losses in cattle herds. The aim of this study was to investigate the in vitro action of leaf extracts of Protium spruceanum on resistant strains of this tick. Ethanolic extracts (EE) and ethyl acetate extracts (EAE) of P. spruceanum leaves were used against engorged females and larvae by biocarrapaticidogram and larval package (TPL) tests. Chromatographic analyses were performed using a gas chromatograph and showed the presence of the flavonoid catechin in both extracts and the terpenoid β-amirine only in EAE. EE and EAE were not effective in altering the mortality of engorged females; however, 92% of females treated with the extracts reduced the postures and > 90% of larval hatching was inhibited at 100 mg/ml of extracts. Acaricidal efficacies were > 80% for 100 mg/ml EE and > 90% for EAE at 50 mg/ml. In TPL tests, EE and EAE promoted larval mortality > 88% at 100 mg/ml. In this study, EAE was more effective against adult females and larvae than EE, representing an alternative agent for the integrated control of R. microplus.pt_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Geraispt_BR
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorpt_BR
dc.description.sponsorshipOutra Agênciapt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIASpt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofExperimental and Applied Acarology-
dc.rightsAcesso Restritopt_BR
dc.subject.otherCarrapatos como transmissores de doençaspt_BR
dc.subject.otherBurseraceapt_BR
dc.subject.otherMatéria médica vegetalpt_BR
dc.subject.otherFlavonóidespt_BR
dc.subject.otherDiterpenospt_BR
dc.titleEffects of leaf extracts of Protium spruceanum against adult and larval Rhipicephalus micropluspt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://link.springer.com/article/10.1007/s10493-019-00447-4pt_BR
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