Principles of Resistance Management Strategies

Ian A. Watkinson


In almost all agricultural markets around the world, resistance to the more commonly used insecticide products is becoming an increasingly serious problem. For users and producers alike, it is important to understand this problem and devise methods to overcome or eliminate it. The most successful approaches have made use of multi-faceted control programs that combine chemical and biological methods in conjunction with careful pest scouting techniques into programs that are planned for the long term. By eliminating the dependency of a program on any one control measure, the threat of losing any component of that program to resistance is significantly reduced. With the current variety of chemical and biological insecticides available, and with simultaneous use of cultural practices that help keep pest populations in check, several serious field resistance problems have been ameliorated. Unfortunately, there is no single recipe that can be universally applied to minimize the problem of resistance, rather, each situation has to be individually assessed and specific strategies planned. In most cases however, the underlying principles are to avoid dependency on any single class of insecticide, to integrate biological and/or cultural approaches as much as possible and to depend on careful scouting to determine if and when applications should be made.

Reprinted from Proceedings of the 1994 Beltwide Cotton Conferences pp. 112 - 113
©National Cotton Council, Memphis TN

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Document last modified Sunday, Dec 6 1998