Óleos essenciais de plantas medicinais e aromáticas no manejo de carrapatos (Acari : Ixodidae)

• Ano de defesa: 2013
• Autor(a) principal: Campos, Roseane Nunes de Santana
• Orientador(a): Bacci, Leandro
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Programa de Pós-Graduação: Pós-Graduação em Agroecossistemas
• Palavras-chave em Português: Essencias e óleos essenciais; Plantas medicinais; Pragas - Controle biológico; Carrapatos; Acaricidas; Rhipicephalus microplus; Amblyomma cajennense
• Palavras-chave em Inglês: Essences and essential oils; Medicinal plants; Pests
• Área do conhecimento CNPq: CNPQ::CIENCIAS AGRARIAS::AGRONOMIA
• Link de acesso: https://ri.ufs.br/handle/riufs/6569

The botanical acaricides are natural products derived from plant secondary metabolism. This metabolism produces a large variety of compounds with acaricidal action that can be exploited through the use of essential oils or as a template for synthesis of synthetic acaricides. The need for safer methods, less harmful to humans and the environment, has stimulated the search for new pesticides from plant products. Thus, the aim of this study was to i) select medicinal and aromatic plants with biological activity on the tick Rhipicephalus microplus and Amblyomma cajennense ii) test the sublethal effects of essential oil of Chrysopogon zizanioides (Poaceae) value of high acidity and acid value low on the stages of egg, larva and adult of A. cajennense and R. microplus iii) test the lethal effects of essential oils of C. zizanioides high acid value and amount of low acidity on larvae of A. cajennense and R. microplus iv) test the sublethal effects of essential oils from Pogostemon cablin (Lamiaceae), Croton sonderianus (Euphorbiaceae), Pelargonium graveolens (Geraniaceae) and Zingiber officinale (Zingiberaceae), on the stages of egg, larva and adult of R. microplus v) test the lethal effects of essential oils of P. cablin; C. sonderianus; P. graveolens on larvae of R. microplus iv) From the oil more toxic for the tick R. microplus, producing a formulation and testing the lethal and sublethal effects of this emulsion in ticks R. microplus. Essential oils were purchased through the company Raros, only the Z. officinale obtained by hydrodistillation of dry biomass in a Clevenger type apparatus at the Federal University of Sergipe. These oils were analyzed by gas chromatography coupled to mass spectrometry (GC-MS). The study was conducted at the Federal University of Sergipe, Saint Kitts-SE, Brazil. The essential oils were emulsified with Triton X-100 as surfactant agent, in the bioassay with adults and diluted in acetone to bioassay with larvae mortality. In bioassay with adult females were immersed in a final solution (oil with Triton X-100) for 2 minutes, oviposition calculated after 14 days. For the bioassay the larvae a solution (oil in acetone) was applied on filter paper envelopes closed with clips type |bulldog| in which these larvae were maintained for 48 hours. The formulation in both bioassays was diluted with water The paper was divided into three items. In the first article was made a literature review on the use of essential oils of medicinal and aromatic plants in controlling R.microplus, in the second it was demonstrated that the essential oils of C. zizanioides acid value and high value low acidity showed activity ticks on species A. cajannense and R. microplus and third article was observed that the essential oil P. cablin (Lamiaceae) and formulation made from this oil exhibit activity ticks on the tick R. microplus.