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Effect of Sublethal Doses of Bifenthrin and Chlorpyrifos Administered Alone and in Combinations on Esterases of Stored Grain Pest, Trogoderma granarium

Effect of Sublethal Doses of Bifenthrin and Chlorpyrifos Administered Alone and in Combinations on Esterases of Stored Grain Pest, Trogoderma granarium

Anum Feroz1, Abdul Rauf Shakoori2 and Farah Rauf Shakoori1*

1Department of Zoology, University of the Punjab, Quaid-i-Azam Campus, Lahore, Pakistan
2School of Biological Sciences, University of the Punjab, Quaid-i-Azam Campus, Lahore, Pakistan

*      Corresponding author: farah.zool@pu.edu.pk

Fig. 1.

Percentage changes in specific activity of total esterase of 4th and 6th instar larvae of susceptible (Lab-S) and resistant (GUW) populations with respect to control.

Fig. 2.

Percentage changes in specific activity of carboxylesterase of 4th and 6th instar larvae of susceptible (Lab-S) and resistant (GUW) populations with respect to control.

Fig. 3.

Percentage changes in specific activity of cholinesterase of 4th and 6th instar larvae of susceptible (Lab-S) and resistant (GUW) populations with respect to control.

Fig. 4.

Percentage changes in specific activity of acetylcholinesterase of 4th and 6th instar larvae of susceptible (Lab-S) and resistant (GUW) populations with respect to control.

Fig. 5.

Percentage changes in specific activity of arylesterase of 4th and 6th instar larvae of susceptible (Lab-S) and resistant (GUW) populations with respect to control.

Pakistan Journal of Zoology

December

Vol. 52, Iss. 6, Pages 2027-2426

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