The effects of topical application of two essential oils against Sitophilus granarius (Coleoptera: Curculionidae) and Tribolium confusum (Coleoptera: Tenebrionidae)
- سال انتشار: 1393
- محل انتشار: Journal of Crop Protection، دوره: 3، شماره: 5
- کد COI اختصاصی: JR_JCP-3-5_003
- زبان مقاله: انگلیسی
- تعداد مشاهده: 67
نویسندگان
Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Iran. P. O. Box: ۶۱۳۵۷-۴۳۳۱۱.
چکیده
Bioassays were conducted to assess the contact toxicity of two plant essential oils against adults of Sitophilus granarius (L.) and Tribolium confusum Jacquelin du Val. Essential oils were extracted from seeds of Carum copticum L. and Cuminum cyminum L. Contact toxicity was assessed by topical application and adult mortality was counted ۱, ۲, ۶ and ۲۴ h after exposure. Bioassays were carried out at ۲۷ ± ۱ °Cand ۶۵ ± ۵% RH in continuous darkness. Results indicated the two essential oils tested were topically toxic to both species. The mortality increased with increase in the oils dose and time exposed to each dose. Adults of S. granarius were more sensitive to C. copticum oil (LD۵۰ = ۰.۰۰۹ µg/mg body wt) than C. cyminum essential oil (LD۵۰ = ۰.۰۱۶ µg/mg body wt). In general, T. confusum showed similar sensitivity to both essential oils. However, adults of T. confusum were more resistant than S. granarius. C. copticum and C. cyminum oils have potential for use in stored-product pest management.کلیدواژه ها
Essential oil, stored products, topical applicationاطلاعات بیشتر در مورد COI
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