The Effects of Seasonality and Timing of Integrated Tactic Applications on Pest Control

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TANG Guang-yao(School of Science, Hubei University for Nationalities, Enshi Hubei 445000 China)
Journal Title:
Journal of Biomathematics
Volume 27, Issue 01, 2012
Key Word:
Seasonality;Prey-Predator system;Integrated contral tactic;Threshold condition

Abstract: The threshold value R0,which determines the dynamical behaviour of a model of a non-autonomous predator-prey system with impulsive effects,was obtained and we show that if R0 < 1 the pest-free periodic solution is globally stable.The effects of seasonality and the optimum timing of integrated pest management interventions on the threshold value R0 are also addressed.Our numerical results indicate that there are some optimum timings for applications of IPM strategies when the pest population exists with seasonal fluctuations.

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