Toxic, residual, and teratomorphic effect of a Neem Extract (N-9) in comparison to Coopex 25 WP (Permethrin + Bioallethrin) against Musca domestica L. (Holland Strain)
2007
Naqvi, S.N.H., Karachi University, Faculty of Science, Karachi (Pakistan). Div. of Zoology | Tabassum, R., Karachi University, Faculty of Science, Karachi (Pakistan). Div. of Zoology | Khan, M.F., Karachi University, Faculty of Science, Karachi (Pakistan). Div. of Zoology | Yasmin, N., Karachi University, Faculty of Science, Karachi (Pakistan). Div. of Zoology | Nurulain, S.M., Karachi University, Faculty of Science, Karachi (Pakistan). Div. of Zoology | Burney, A.A., Karachi University, Faculty of Science, Karachi (Pakistan). Div. of Zoology
The toxicity and residual effect of a topically applied crude extract of neem (N-9) and a pyrethroid (Coopex) against second-instar larvae of Musca domestica L. (Holland strain) was studied and compared. Toxic and residual studies revealed that Coopex (permethrin + bioallethrin) was more toxic and persistent than N-9. LD50 of Coopex 25 W.P. and N-9 was found to be 0.8 and 5.6 µg/larva, respectively; however, deformed pupae and partial emergence of adult flies were observed when only N-9 was applied.
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