ORAL TOXICITY AND REPELLENT EFFECT OF SOME INSECTICIDES AGAINST HONEYBEE WORKERS | ||||
| Journal of Plant Protection and Pathology | ||||
| Article 4, Volume 3, Issue 2, February 2012, Page 129-137 PDF (375.32 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jppp.2012.83726 | ||||
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| Authors | ||||
| W. M. H Desuky1; R. E. Omar2; M. M. Khattab2; Y. A. Mettwaly1 | ||||
| 1Plant Protection Res. Inst., Agric. Res. Center, Dokki, Giza, Egypt. | ||||
| 2Faculty of Agriculture, Benha University, Egypt. | ||||
| Abstract | ||||
| These experiments were carried out to evaluate toxic and repellent impact of 6 insecticides i.e. Jojoba oil, Dimilin, Protecto, Biovar, Biorinza and Dursban against honeybee workers at Zagazig center, Sharkia Governorate on blooming Egyptian clover fields during the two successive seasons of 2008/2009. Results showed that all the tested compounds comparing to Dursban are safe to forging honeybee workers when fed orally with serial of concentrations started with field rate, 1/2 field rate till 1/4 field rate after 24, 48 and 72 hours of application. Dursban recorded 100% mortality after 48 and 72 hours with field rate while rest of tested compounds did not exceed 17.5% mortality with Jojoba oil after 72 hours at field rate. In case of repellent effect, Dursban recorded the highest repellent impact in initial, after one and two days for both studied seasons, Jojoba extract recorded highest repellent effects against honeybee workers in initial time in both seasons recorded 47.36 and 39.70%, respectively. | ||||
| Keywords | ||||
| Honeybees; Apis mellifera; Bioinsecticides; Toxicity; Repellent | ||||
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