کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
766513 1462609 2016 15 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Beverton–Holt discrete pest management models with pulsed chemical control and evolution of pesticide resistance
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
Beverton–Holt discrete pest management models with pulsed chemical control and evolution of pesticide resistance
چکیده انگلیسی


• We developed a discrete pest growth model with evolution of pesticide resistance.
• Two threshold conditions for extinction of pest population have been provided.
• The optimal pesticide switching times and related key factors have been discussed.
• The effects of dynamic complexity of pest population on its control were studied.

Pest resistance to pesticides is usually managed by switching between different types of pesticides. The optimal switching time, which depends on the dynamics of the pest population and on the evolution of the pesticide resistance, is critical. Here we address how the dynamic complexity of the pest population, the development of resistance and the spraying frequency of pulsed chemical control affect optimal switching strategies given different control aims. To do this, we developed novel discrete pest population growth models with both impulsive chemical control and the evolution of pesticide resistance. Strong and weak threshold conditions which guarantee the extinction of the pest population, based on the threshold values of the analytical formula for the optimal switching time, were derived. Further, we addressed switching strategies in the light of chosen economic injury levels. Moreover, the effects of the complex dynamical behaviour of the pest population on the pesticide switching times were also studied. The pesticide application period, the evolution of pesticide resistance and the dynamic complexity of the pest population may result in complex outbreak patterns, with consequent effects on the pesticide switching strategies.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Communications in Nonlinear Science and Numerical Simulation - Volume 36, July 2016, Pages 327–341
نویسندگان
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