What is the central premise of resistance management in IPM?

The central premise of resistance management in Integrated Pest Management (IPM) is to implement a mix of control strategies to delay the development of resistance in pest populations. By utilizing a variety of tactics—such as biological control, cultural practices, and the rotation of different classes of pesticides—land managers can reduce the selection pressure that leads to resistance.

When pests are exposed to the same treatment repeatedly, the likelihood of them developing resistance increases, as only those individuals that have a resistance trait survive and reproduce. Therefore, a diverse approach helps in maintaining the effectiveness of control methods over time, ensuring long-term pest management success and sustainability in agricultural practices.

This strategy ultimately contributes to healthier ecosystems and minimizes the risk of resistance, which can render certain pesticides ineffective and lead to higher agricultural costs and increased challenges in pest control.