Stage-structure model for the dynamics of whitefly transmitted plant viral disease: an optimal control approach

被引:4
作者
Adhurya, Sagar [1 ]
Al Basir, Fahad [2 ]
Ray, Santanu [1 ]
机构
[1] Visva Bharati, Syst Ecol & Ecol Modeling Lab, Dept Zool, Santini Ketan 731235, W Bengal, India
[2] Asansol Girls Coll, Dept Math, Asansol 713304, W Bengal, India
关键词
Mathematical model; Basic reproduction ratio; Bemisia; Forward and Hopf bifurcation; Optimal control; Numerical simulation; TABACI HEMIPTERA ALEYRODIDAE; BEMISIA-TABACI; BIOLOGICAL-CONTROL; NATURAL ENEMIES; RESISTANCE; HOMOPTERA;
D O I
10.1007/s40314-022-01864-9
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this article, a mathematical model is formulated to study the dynamics of whitefly transmitted viral diseases in plants. Here, the aim is to capture the effect of whitefly's age-stages on the disease dynamics. The existence of the equilibria, basic reproductive number (R-0), and stability have been studied through qualitative analysis. It is found that the onset of oscillations may occur through Hopf bifurcation in the system. Forward bifurcation is also observed at R-0 = 1. Finally, optimal control theory has been applied for the cost-effectiveness of disease management.
引用
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页数:22
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