Volume 3, Issue 5 (2014)
JCP 2014, 3(5): 589-595 |
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Ziaee M. The effects of topical application of two essential oils against Sitophilus granarius (Coleoptera: Curculionidae) and Tribolium confusum (Coleoptera: Tenebrionidae). JCP 2014; 3 (5) :589-595
URL: http://jcp.modares.ac.ir/article-3-9080-en.html
URL: http://jcp.modares.ac.ir/article-3-9080-en.html
Department of Plant Protection, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Iran. P. O. Box: 61357-43311.
Abstract: (6416 Views)
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 1, 2, 6 and 24 h after exposure. Bioassays were carried out at 27 ± 1 °Cand 65 ± 5% 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 (LD50 = 0.009 µg/mg body wt) than C. cyminum essential oil (LD50 = 0.016 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.
Received: 2014/04/5 | Accepted: 2014/06/14 | Published: 2014/12/1
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