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Dr. Yasser Afifi Elsayed Abderhman :: Publications:

Title:
Toxicity and biochemical efficacy of six Essential oils against tribolium confusum (du val ) (coleoptera: tenebrionidae)
Authors: Mona F.Abdelaziz and Yasser A. Elsayed
Year: 2009
Keywords: Not Available
Journal: Not Available
Volume: Not Available
Issue: Not Available
Pages: Not Available
Publisher: Not Available
Local/International: Local
Paper Link: Not Available
Full paper Not Available
Supplementary materials Not Available
Abstract:

Six essential oils extracted from Garlic ( Allium stavium) , mint ( Menthapiperitaa) , basil (Ociumumbasillicum) , thyme ( Thymus vulgaris ), sesame ( Sesamumindicum) and chamomile ( Chamaemalumnobile) were tested for both repellency and toxicity against the confused flour beetle, Triboliumconfusum adult and last larval instar . Two kinds of repellency bioassays were performed by using filter paper test and treated kernels. The toxicological bioassay was performed by topical application. The result showed that the tested oils were highly repellent to the adult insect compared to the larvae. By contrast, the toxicological bioassay showed that larvae were more susceptible to tested essential oils than the adults. Effects of essential oils on five detoxification enzymes were also investigated. A reduction in total activities of the major detoxification enzymes in treated larvae was also observed. Key words: essential oils- Triboliumconfusum-repellency-detoxification enzyme. Yasser.Abdelrahman@fsc.bu.edu.eg

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