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Composition and Acaricidal Activity of the Resin's Essential Oil of Protium bahianum Daly Against Two Spotted Spider Mite ( Tetranychus Urticae )

2007; Taylor & Francis; Volume: 19; Issue: 4 Linguagem: Inglês

10.1080/10412905.2007.9699310

2163-8152

Wendel José Teles Pontes, José C. S. de Oliveira, Cláudio Augusto Gomes da Câmara, Adelmo C. H. R. Lopes, Manoel G. C. Gondim, José Vargas de Oliveira, Manfred O. E. Schwartz,

Insect-Plant Interactions and Control

Abstract The essential oils from two sources of resinous exudates of Protium bahianum obtained by hydrodistillation were analyzed by combinations of GC and GC/MS. Twenty-two and thirteen components were identified in the oils from fresh and aged resins, comprising 95.8 % and 98.6 %, of the oils, respectively. The aged resin oil contained a high percentage of oxygen-containing sesquiterpenes (85.4 %) with a high predominance of β-(Z)-santalol acetate (83.1 %). In contrast, no sesquiterpenes were detected in the fresh resin oil and it was constituted basically by monoterpenes hydrocarbons (42.4 %) and oxygen-containing monoterpenes (27.7 %), of which α-phellandrene (13.9 %) and terpinen-4-ol (7.4 %) were the major components, respectively. The acaricidal activities against Tetranychus urticae of the resin oil were also investigated. Both oils showed fumigant toxicity (mortality and fecundity), but only the aged resin oil induced repellence.