Acaricidal Properties of Artemisia absinthium and Tanacetum vulgare (Asteraceae)Essential Oils Obtained by Three Methods of Extraction
Material type:
TextSeries: ; Journal of Economic Entomology, 94(1), p.167-171, 2001Contained works: - Chiasson, H
- Langer, A
- Bostanian, N
- Vincent, C
- Poliquin, A
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Essential oils of Artemisia absinthium L. and Tanacetum vulgare L. were extracted by three methods, a microwave assisted process (MAP), distillation in water (DW)and direct steam distillation (DSD), and tested for their relative toxicity as contact acaricides to the twospotted spider mite, Tetranychus urticae Koch. All three extracts of A. absinthium and of T. vulgare were lethal to the spider mite but to variable degrees. The LC50 obtained from the DSD oil of A. absinthium was signiÞcantly lower (0.04 mg/cm2)than that of the MAP (0.13 mg/cm2)and DW (0.13 mg/cm2)oil of this plant species. DSD and DW extracts of T. vulgare were more toxic (75.6 and 60.4
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