A compartmental model of Black Sigatoka exhibits backward bifurcation due to dual transmission and mate limitation, so the disease can remain endemic even when R0 is less than 1, requiring controls beyond reproduction-number reduction.
On the defi- nition and the computation of the basic reproduction ratio r 0 in models for infectious diseases in heterogeneous populations
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The Curse of Black Sigatoka: A Backward Bifurcation Perspective
A compartmental model of Black Sigatoka exhibits backward bifurcation due to dual transmission and mate limitation, so the disease can remain endemic even when R0 is less than 1, requiring controls beyond reproduction-number reduction.