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The problem of resistance to insecticides in tropical insect pests

Published online by Cambridge University Press:  19 September 2011


I. R. Kay
Affiliation:
Department of Primary Industries, P.O. Box 591, Ayr, Qld. 4807, Australia
P. J. Collins
Affiliation:
Department of Primary Industries, Meiers Road, Indooroopilly, Qld. 4068, Australia

Abstract

The development of resistance to insecticides in insect pests is an important and increasing problem. As insecticide use increases in tropical areas, the numbers of resistant insect strains will increase.

The adverse effects of insecticide resistance include crop losses, increased production costs, increased environmental hazards, and socio-economic problems. The increasing difficulties and costs of discovering and developing new insecticides together with the widespread occurrence of resistant strains of insect pests means that insecticides are a limited resource that must be conserved. Methods of conserving insecticides include sensible management of their use and the implementation of IPM programmes.

The problems of insecticide resistance and strategies for minimizing and managing resistance in tropical areas are discussed using examples of insect pests of stored products, cotton, rice and bananas.


Résumé

L'évolution de la résistance des insectes nuisibles aux insecticides est un problème qui devient de plus en plus important. Tandis que l'utilisation des insecticides sous les tropiques augmente, la quantité des espèces d'insectes résistants est aussi en augmentation.

Les pertes de récoltes, l'augmentation de risques écologiques et les problèmes socio-economiques ont également des effets défavorables causés par la résistance aux insecticides. Les difficultés croissantes et les frais de la découverte et l'élaboration des insecticides nouveaux, conjointement avec la prolifération à grande envergure des varietés d'insectes nuisibles et résistants, signifient que les insecticides sont des ressources limitées qu'on doit préserver. Les méthodes de ménager les insecticides comprennent l'administration sage de son utilisation et la réalisation des programmes IPM.

On discute les problèmes de la résistance aux insecticides et les strátegies pour la minimiser et la contrôler dans les régions tropicales en se servant d'exemples de pestes d'insectes qui se trouvent dans les produits emmagasinés, le coton, le riz et la banane.


Type
Symposium VII: Conventional and Novel Pesticides in Tropical Pest Management
Copyright
Copyright © ICIPE 1987

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