Journal of Basic and Applied Sciences  -   Volume 8 Number 2


Comparative Toxic Effects of Methamidophos and Cypermethrin on Cholinesterase Enzyme of Callosobruchus analis

Nighat Gul, M. Farhanullah Khan, Afaq Ahmad Siddiqui and M. Arshad Azmi

http://dx.doi.org/10.6000/1927-5129.2012.08.02.27

Abstract: In the present study the cholinesterase inhibition was observed as 65% and 12, for methamidophos and cypermethrin, respectively. LC50 values were found as 16 and 2.2, µg/cm2 for methamidophos, cypermethrin, respectively against Callosobruchus analis by the filter paper impregnation method after 24 hours of treatment. The order of efficacy was found as cypermethrin > methamidophos.

Keywords: Toxicity, Cholinesterase, Callosobruchus analis, Methamidophos and Cypermethrin

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