In this article, a discretized dynamic model was proposed to describe the development of insecticide resistance.Variables as dosage, timing and frequency of insecticide applications, mutation rate, insecticide-resistantindividual’s fitness, etc., were included in the model. The model was validated using sensitivity analysis. Themodel was finally used to evaluate the effect of mixed use of bioinsecticide and chemical insecticide to reduceinsecticide resistance. The model can be used to predict the dynamic development of insecticide resistance andto evaluate the effect of various factors on insecticide resistance.
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