RELATIVE TOXICITY OF MUSTARD ESSENTIAL OIL TO INSECT-PESTS OF STORED PRODUCTS

Autores

  • Adalberto Hipólito Sousa Universidade Federal de Acre/Centro de Ciências Biológicas e da Natureza
  • Lêda Rita D'Antonino Faroni Universidade Federal de Viçosa image/svg+xml
  • Romenique da Silva Freitas Universidade Federal de Viçosa/Departamento de Engenharia Agrícola

Palavras-chave:

Biofumigation. Callosobruchus maculatus. Grains. Sitophilus zeamais.

Resumo

The relative toxicity of the mustard (Brassica rapa L.) essential oil (MEO) on young and old larvae, pupae, and adults of Sitophilus zeamais and Callosobruchus maculatus was determined using concentration-response bioassays. The respiration rate of adults was measured to determine its influence on its toxicity. Different developmental stages of both species differed significantly in their response to MEO, with the adults being much more susceptible than the immature stages. Although adult mortality did not differ between species, the adult respiration rate of C. maculatus was significantly higher than that of S. zeamais. Thus, the toxicity oil for adults was not influenced by natural respiration rate of species investigated.

Biografia do Autor

  • Adalberto Hipólito Sousa, Universidade Federal de Acre/Centro de Ciências Biológicas e da Natureza
    Entomologia Agrícola
  • Lêda Rita D'Antonino Faroni, Universidade Federal de Viçosa
    Engenharia Agrícola - Secagem e Armazenagem de Produtos Agrícolas
  • Romenique da Silva Freitas, Universidade Federal de Viçosa/Departamento de Engenharia Agrícola
    Engenharia Agrícola - Secagem e Armazenagem de Produtos Agrícolas

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Publicado

28-06-2014

Edição

Seção

Nota Técnica