Which practice helps to prevent over-reliance on a single pesticide mode of action?

Using an integrated pest management (IPM) approach is crucial in preventing over-reliance on a single pesticide mode of action. IPM combines various strategies aimed at reducing pest populations while minimizing risks to human health and the environment. This methodology includes cultural, biological, and chemical practices, allowing for a diverse range of tactics that can disrupt pest life cycles and management strategies.

Integrating various control methods not only reduces the likelihood of pests developing resistance to a particular pesticide but also enhances overall pest management effectiveness. For instance, by employing biological controls or modifying cultural practices alongside chemical applications, the reliance on any one pesticide is diminished. This varied approach helps to prolong the efficacy of existing pesticides and encourages more sustainable pest management practices.

Other options, such as reapplication of the same pesticide or mixing multiple pesticides into one formulation, do not address the issue of resistance as effectively as an integrated approach. Applying higher doses than recommended can lead to increased environmental impacts and potential health risks without effectively managing resistance. Thus, an integrated pest management approach is the most effective method to maintain the effectiveness of pesticide modes of action.