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Study of the population dynamics of Busseola fusca, maize pest

Abstract : Busseola fusca is a maize and sorghum pest that can cause significant damage to both crops. Given that maize is one of the main cereals grown in the worldwide, this pest is a major challenge for maize production and therefore for the economies of several countries . In this paper , based on the life cycle of B. fusca, we propose a mathematical model to study the population dynamics of this insect pest . A sensitivity analysis using the eFast method was performed to show the most important parameters of the model. We present the theoretical analysis of the model. More precisely, we derive a threshold parameter N0, called basic offspring number and show that the trivial equilibrium is globally asymptotically stable whenever N0≤1, while if N0>1, the non trivial equilibrium is globally asymptotically stable. The theoretical results are supported by numerical simulations.
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Contributor : Jean-Luc Gouzé Connect in order to contact the contributor
Submitted on : Thursday, August 23, 2018 - 6:47:10 PM
Last modification on : Friday, August 5, 2022 - 2:47:34 PM



Janvier Pesser Ntahomvukiye, Anatole Temgoua, Samuel Bowong. Study of the population dynamics of Busseola fusca, maize pest. Acta Biotheoretica, Springer Verlag, 2018, 66 (4), pp.379-397. ⟨10.1007/s10441-018-9335-x⟩. ⟨hal-01860837⟩



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