EFEITO LARVICIDA DE CNIDOSCOLUS PHYLLACANTHUS (MÜLL. ARG.) PAX & K. HOFFM SOBRE O AEDES AEGYPTI L. (DIPTERA: CULICIDAE)

Renato Augusto da  Silva; Ester De Arruda E  Silva; Walter Santos Evangelista  Júnior; Plinio Pereira Gomes  Júnior; Francisco Roberto De  Azevedo

doi:10.51161/rems/2128

EFEITO LARVICIDA DE CNIDOSCOLUS PHYLLACANTHUS (MÜLL. ARG.) PAX & K. HOFFM SOBRE O AEDES AEGYPTI L. (DIPTERA: CULICIDAE)

Autores

Renato Augusto da Silva
Ester De Arruda E Silva
Walter Santos Evangelista Júnior
Plinio Pereira Gomes Júnior
Francisco Roberto De Azevedo

DOI:

https://doi.org/10.51161/rems/2128

Palavras-chave:

ATIVIDADE LARVICIDA, CAATINGA, FAVELEIRA, MOSQUITO DA DENGUE

Resumo

Introdução: O mosquito Aedes aegypti é o vetor transmissor das arboviroses da Dengue, Chikungunya e Zika. O uso de plantas com propriedades larvicidas tem sido uma alternativa para o controle e combate deste vetor resultando em baixo impacto ambiental e minimização da resistência biológica do vetor em comparação aos defensivos químicos sintéticos. O bioma caatinga abrange boa parte do território nacional e possui uma rica variedade de espécies. É um dos biomas brasileiros menos estudados, ainda que seja o principal ecossistema da região Nordeste, além de ser restrito ao território nacional e possuir plantas endêmicas que são importantes fontes de recursos naturais. Objetivos: Realizar a prospecção fitoquímica do extrato aquoso foliar da espécie Cnidoscolus phyllacanthus, popularmente conhecida como “faveleira” e determinar a atividade larvicida dos extratos das folhas de C. phyllacanthus sobre as larvas do A. aegypti no estádio L3. Material e métodos: As folhas da espécie e os ovos de A. aegypti foram coletados na cidade de Serra Talhada/PE. Resultados: Os testes fitoquímicos revelaram a presença de compostos fenólicos, triterpenos, esteroides, saponinas e alcaloides no extrato aquoso das folhas de C. phyllacanthus. O efeito larvicida do extrato bruto aquoso das folhas de C. phyllacanthus foi avaliado sobre as larvas do A. aegypti no estádio L3 nas doses diluídas de 30%, 22,5%, 15%, 7,5% e 1% em relação ao extrato bruto por 72 horas a cada 12 horas resultando numa CL50 de 15,7 estimada por meio de tratamento de dados no software Excel 2010, Office, da Microsoft. Conclusão: Os bons resultados obtidos revelam que o extrato aquoso foliar da espécie Cnidoscolus phyllacanthus tem potencial larvicida e é uma excelente estratégia de baixo custo e de mínimo impacto ambiental para o combate do mosquito A. aegypti.

Publicado

2021-10-01

Como Citar

Silva, R. A. da ., Silva, E. D. A. E. ., Júnior, W. S. E., Júnior, P. P. G. ., & Azevedo, F. R. D. . (2021). EFEITO LARVICIDA DE CNIDOSCOLUS PHYLLACANTHUS (MÜLL. ARG.) PAX & K. HOFFM SOBRE O AEDES AEGYPTI L. (DIPTERA: CULICIDAE). Revista Multidisciplinar Em Saúde, 2(3), 06. https://doi.org/10.51161/rems/2128

Baixar Citação

Edição

v. 2 n. 3 (2021)

Seção

I Congresso Nacional On-line de Produtos Naturais

Licença

Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.

O conteúdo desta revista foi migrado para https://editoraintegrar.com.br

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