MECHANISM OF HOUSE FLY RESISTANCE: II- BINARY MIXTURES OF CYPERMETHRIN, IMIDACLOPRID AND SPINOSAD AND THEIR IMPACT TO BREAK DOWN THE LABORATORY DEVELOPED RESISTANCE. | ||||
Fayoum Journal of Agricultural Research and Development | ||||
Article 7, Volume 33, Issue 2, July 2019, Page 73-80 PDF (1.16 MB) | ||||
Document Type: Research articles. | ||||
DOI: 10.21608/fjard.2019.190564 | ||||
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Authors | ||||
Doaa El-Sherif1; Makram Sayed1; Zaki El-Fiky2; Ahmed Etman1 | ||||
1Plant Prtectin Dept, Faculty of Agric. Fayoum Univ. | ||||
2Genetic Dept. Faculty of Agric., Faayoum Univ. | ||||
Abstract | ||||
The present study indicated that the repeated exposure of the laboratory strain of the house fly, Musca domestica (Linnaeus) to Cypermethrin, Imidacloprid and Spinosad lead to developing resistance against these insecticides. The resistance level of the selected strains reached after 30th generation to 24.8, 15.53 and 9.56 folds for Cypermethrin, Imidacloprid and Spinosad compared with the laboratory strain. This study also showed the breakdown of resistance using insecticide binary mixtures, where the mixture of Cypermethrin+ Imidacloprid exhibited potentiation at the ratio of 1:1 and 1:2 against all the resistant strains. Also, the combination of Cypermethrin with Spinosad gave potentiation at the ratios of 1:1, 1:2 and 2:1 against Imidacloprid and Spinosad resistant strains. | ||||
Keywords | ||||
Resistance; Joint action; cypermethrin; imidacloprid; spinosad | ||||
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