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Persistence and Extinction of a Non-Autonomous Plant Disease Model with Roguing*

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Document pages: 16 pages

Abstract: On the basis of analyzing the shortages of present studies on plant disease model for autonomous phenomenon, and considering the actual situation, this paper applies the joint factors of environmental change and the infectivity for latent plants into the system; therefore we deal with a non-autonomous plant disease model with roguing. Some sufficient conditions are established for extinction of diseases and permanence of the system in this paper.

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