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Pyrethroid resistance of Helicoverpa armigera (Lepidoptera: Noctuidae) in Pakistan

Published online by Cambridge University Press:  10 July 2009

M. Ahmad ,
M. I. Arif  and
M. R. Attique
M. Ahmad*
Affiliation:
Agricultural Adaptive Research Farm, Vehari, Pakistan
M. I. Arif
Affiliation:
Central Cotton Research Institute, PO Box 572, Multan, Pakistan
M. R. Attique
Affiliation:
Central Cotton Research Institute, PO Box 572, Multan, Pakistan
*
*Central Cotton Research Institute, PO Box 572, Multan, Pakistan.
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Abstract

The status of pyrethroid resistance in some field populations of Helicoverpa armigera (Hübner) from Pakistan was determined using an IRAC leaf-dip method. Resistance factors varied between populations, and the general trend was for a moderate to high resistance to cypermethrin and cyfluthrin; a low to moderate resistance to deltamethrin and alpha-cypermethrin; and a comparatively low resistance to bifenthrin, lambda-cyhalothrin and zeta-cypermethrin. Depending on which physiological mechanisms are shown to be present in Pakistani field strains, the latter group of pyrethroids may serve as useful tools in the management of insecticide resistance.

Type
Original Articles
Information
Bulletin of Entomological Research , Volume 87 , Issue 4 , August 1997 , pp. 343 - 347
Copyright
Copyright © Cambridge University Press 1997

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