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Section Symposium

Plant-Insect Ecosystems

Protected Culture IPM: Controlling Pests from Within

Identifying the natural enemy-adjusted economic threshold (NEET) for dynamically optimal pest management in high tunnels

Wednesday, November 8, 2023
4:35 PM – 4:50 PM ET
Location: Gaylord National Resort & Convention Center, Chesapeake B-C
In-Person

    Presenting Author(s)

  • CB

    Cheng Bi

    University of Illinois
    Champaign, Illinois

    • Co-author(s)

  • SA

    Shadi S. Atallah

    University of Illinois
    Champaign, Illinois

In this research, we develop a model of predator-prey dynamics in the high tunnel for winter spinach. This study explicitly includes applying pesticides and releasing commercial predators as two control strategies in a dynamic optimization model. We solve the trade-off facing farmers and derive the natural-adjusted economic threshold (NEET) of pesticide application and the optimal release of commercial predators. We compare the results from stochastic pest and predator population dynamics to its corresponding deterministic case to illustrate how uncertainty in predator-prey dynamics affects the optimal control strategies.