Oklahoma Service Technician Practice Exam

How can resistance to pesticides be minimized?

1. By applying the same pesticide repeatedly

2. By increasing the dosage of pesticides

3. By rotating the types of pesticides used

4. By limiting the pest identification process

The correct answer is: By rotating the types of pesticides used

Minimizing resistance to pesticides is crucial for maintaining their effectiveness over time. Rotating the types of pesticides used helps to reduce the chances of pests developing resistance. This practice works because different classes of pesticides have varying modes of action. When pests are exposed to the same chemical repeatedly, they are more likely to adapt and develop resistance. By alternating between products with different active ingredients, it creates a more challenging environment for pests to survive and reproduce, thereby reducing their chances of developing resistance. Using a single pesticide repeatedly or increasing dosages does not address the fundamental problem of resistance; in fact, these approaches can accelerate resistance. Limiting the pest identification process may lead to inappropriate strategies for pest management, further complicating pest control and resistance issues. Therefore, rotating pesticide types is an effective strategy to ensure a sustainable approach to pest management and prolong the efficacy of available pesticides.