The potential of Acmella oleracea (Jambu) extract in the control of semi-engorged Rhipicephalus sanguineus (Latreille, 1806) (Acari: Ixodidae) female ticks

Autor:	Karina Neoob de Carvalho Castro, Gervásio Henrique Bechara, Maria Izabel Camargo Mathias, Patrícia Rosa de Oliveira, Rodney Alexandre Ferreira Rodrigues, Luís Adriano Anholeto
Přispěvatelé:	PATRÍCIA ROSA DE OLIVEIRA, LUIS ADRIANO ANHOLETO, RODNEY ALEXANDRE FERREIRA RODRIGUES, GERVÁSIO HENRIQUE BECHARA, KARINA NEOOB DE CARVALHO CASTRO, CPAMN, MARIA IZABEL CAMARGO MATHIAS., Universidade Estadual Paulista (Unesp), Universidade Estadual de Campinas (UNICAMP), The Pontificia Universidade Catolica do Parana–PUCPR, Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA)
Rok vydání:	2018
Předmět:	0301 basic medicine Veterinary medicine potential Extract Rhipicephalus sanguineus 030231 tropical medicine Tick natural compound 03 medical and health sciences 0302 clinical medicine Acari Tick Control biology business.industry Natural compound Pest control 030108 mycology & parasitology biology.organism_classification tick Carrapato Composto natural Insect Science Extrato de Acmella oleracea business Acmella oleracea Ixodidae
Zdroj:	Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice) Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA Scopus Repositório Institucional da UNESP Universidade Estadual Paulista (UNESP) instacron:UNESP
ISSN:	1945-3892 0164-7954
DOI:	10.1080/01647954.2018.1472637
Popis:	Made available in DSpace on 2018-12-11T16:53:38Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-07-04 The present study evaluated the efficacy of Acmella oleracea extract, and the susceptibility of semi-engorged R. sanguineus females exposed to different concentrations of the extract, with lethal concentration 50 % (LC50) and confidence interval 95%. The ticks were mounted on Petri dishes and immersed in the different concentrations of the extract, distilled water or ethanol 50% + DMSO 1% for 5 minutes, dried and kept in BOD incubator for 7 days. The results showed the daily mortality rate among semi-engorged R.sanguineus females at different concentrations of the extract. The mortality data obtained in bioassay 2 were subjected to Probit analysis, through which a LC50 of 24,883 mg/ml (limits: 22,331 to 28,003 mg/ml) was determined, at a 95% confidence interval. Thus, this study demonstrated the sensitivity and susceptibility of semi-engorged R.sanguineus females to Acmella oleracea extract. The acaricidal potential was effective as from the application of the extract at the concentration of 12.5 mg/ml and was dose-dependent. i.e., higher mortality rates were observed as the concentration increased, with LC50 of 24,883 mg/ml reaching 100% at the concentration of 100 mg/ml in 24h. Department of Biology Institute of Biosciences São Paulo State University-UNESP Division of Chemistry of Natural Products CPQBA/UNICAMP Graduate Program in Animal Science School of Agricultural Science and Veterinary Medicine The Pontificia Universidade Catolica do Parana–PUCPR Embrapa Meio-Norte Department of Biology Institute of Biosciences São Paulo State University-UNESP
Databáze:	OpenAIRE
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