What approach can help manage pesticide resistance effectively?

Implementing a rotation of different types of pesticides is an effective approach to manage pesticide resistance. This strategy involves alternating between different chemical classes of pesticides that have different modes of action. When the same pesticide is used repeatedly, pests can develop resistance over time, making that pesticide less effective. By rotating pesticides, it disrupts the pest's ability to develop resistance because they are exposed to varying modes of action. This not only helps in keeping pest populations under control but also prolongs the effectiveness of the pesticides used.

In contrast, continuous use of the same pesticide can lead to increased resistance, as pests become accustomed to its effects. Using higher concentrations of a single pesticide may temporarily reduce pest populations but often accelerates the development of resistance. Applying pesticides less frequently could potentially reduce resistance development, but without proper rotation or integrated pest management practices, it may not effectively control pest populations in the long term.