Figure 3From: Hopf bifurcation analysis for a model of plant virus propagation with two delaysThe trajectories of system (4.1) with \(\tau_{1}=5.88>\tau _{10}=5.8744, \tau_{2}=0\). A Hopf bifurcation occurs from the positive equilibrium E. The initial value is \((4,29.5,69.5)\)Back to article page