Which practice can help prevent the development of pesticide resistance?

Rotating the types of pesticides used is a fundamental practice that can effectively prevent the development of pesticide resistance. When the same pesticide is used repeatedly, target pests can adapt and develop resistance over time, rendering that pesticide less effective. By employing different pesticides with varying modes of action, pest populations are exposed to different chemical compounds, which decreases the likelihood of resistance build-up. This method disrupts the life cycles of the pests and reduces selection pressure, fostering a more sustainable approach to pest management.

In contrast, using the same pesticide repeatedly can lead to resistance, as previously mentioned. Avoiding pesticide applications altogether might seem like a preventive measure, but it may not be practical or effective in managing pests in all situations. Increasing the concentration of pesticides used might temporarily control pests more effectively but can also contribute to resistance and has other negative environmental implications. Thus, rotating pesticide types remains the most effective strategy for managing resistance development.