Toxicity and Biochemical Alterations of Some Essential Oils on the Rice Weevil, Sitophilus oryzea (l.) (Coleoptera: Curculionidae)
Draz, K., Darwish, A., Abo-Bakr, M. (2016). Toxicity and Biochemical Alterations of Some Essential Oils on the Rice Weevil, Sitophilus oryzea (l.) (Coleoptera: Curculionidae). EKB Journal Management System, 7(11), 701-706. doi: 10.21608/jppp.2016.52127
K. A. A. Draz; A. A. E. Darwish; M. A. Abo-Bakr. "Toxicity and Biochemical Alterations of Some Essential Oils on the Rice Weevil, Sitophilus oryzea (l.) (Coleoptera: Curculionidae)". EKB Journal Management System, 7, 11, 2016, 701-706. doi: 10.21608/jppp.2016.52127
Draz, K., Darwish, A., Abo-Bakr, M. (2016). 'Toxicity and Biochemical Alterations of Some Essential Oils on the Rice Weevil, Sitophilus oryzea (l.) (Coleoptera: Curculionidae)', EKB Journal Management System, 7(11), pp. 701-706. doi: 10.21608/jppp.2016.52127
Draz, K., Darwish, A., Abo-Bakr, M. Toxicity and Biochemical Alterations of Some Essential Oils on the Rice Weevil, Sitophilus oryzea (l.) (Coleoptera: Curculionidae). EKB Journal Management System, 2016; 7(11): 701-706. doi: 10.21608/jppp.2016.52127

Toxicity and Biochemical Alterations of Some Essential Oils on the Rice Weevil, Sitophilus oryzea (l.) (Coleoptera: Curculionidae)

Journal of Plant Protection and Pathology
Article 4, Volume 7, Issue 11, November 2016, Page 701-706  XML PDF (250.36 K)
Document Type: Original Article
DOI: 10.21608/jppp.2016.52127
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Authors
K. A. A. Draz; A. A. E. Darwish; M. A. Abo-Bakr
Department of plant protection, Faculty of Agricultur, Damanhour University, Egypt
Abstract
The present study aimed to investigate the effects of sublethal concentrations of nine essential oils extracted from celery (Apium graveolens), camphor (Cinnamomum camphora), garlic (Allium sativum), mint (Mentha piperitaa), basil (Ocimum basilicum), thyme (Thymus vulgaris), chamomile (Chamaemelum nobile), sesame (Sesamum indicume), jasmine (Jasminum officinale) and malathion insecticideon the physiological and biochemical parameters of rice weevil, Sitophilus oryzea L. (Coleoptera, Curculiondiae). Total protein and some enzymatic activities i.e; aspartate transaminase (AST), alanine transaminase (ALT) and acetylcholinesterase (AChE) were quantified. The Lethal Median Concentration (LC50) values were estimated to be 1070, 990, 1210, 3350, 2330, 1300, 2500, 4110, 4900, 2.31 mg/kg for celery, camphor, garlic, mint, basil, thyme, chamomile, sesame, jasmine and malathion, respectively after three days of treatment. Protein content was significantly increased in case of malathion insecticide, while it was significantly decreased in case of jasmine, thyme, camphor, chamomile, mint, sesame and basil oil compared with control. Significant increase in activity of ALT observed in thyme, garlic, celery, basil, jasmine, mint, sesame, camphor and malathion insecticide, while it significantly decreased in case of chamomile oil compared with control. AST activity significantly increased in jasmine, garlic, camphor, chamomile, mint, sesame and malathion insecticide, but significantly decreased in thyme and celery oil, compared with control. Celery, chamomile, mint and basil oil significantly induced increase activity of acetylcholinesterase (AChE), while thyme, camphor and malathion insecticide caused significant decrease in enzyme activity.
Keywords
Essential oils; Rice weevil; toxicity; biochemical parameters
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