MDARD Michigan Core Pesticide Applicator Practice Exam

What is the purpose of mechanical control methods?

1. To chemically alter pest behavior

2. To reduce pest populations using devices

3. To attract pests for trapping

4. To increase the habitat for pests

The correct answer is: To reduce pest populations using devices

The purpose of mechanical control methods is to reduce pest populations using devices. This approach is focused on the physical means of managing pests rather than chemical treatments. Devices such as traps, barriers, and hand-picking play a significant role in this method. By employing these physical techniques, also known as mechanical controls, pest populations can be effectively managed, reducing their impact on crops and the environment. This method aligns with integrated pest management strategies, promoting sustainable agricultural practices by minimizing reliance on chemical pesticides. Other choices refer to different methods or concepts that do not align with the primary purpose of mechanical controls. For instance, chemically altering pest behavior relates to chemical control measures, which involve specific pesticide applications. Attracting pests for trapping is a strategy more aligned with biological control or specific pest management tactics, rather than the broader mechanical control approach. Increasing habitat for pests contradicts the fundamental goal of pest management, which is to reduce their numbers and impact. Hence, the emphasis on using devices to physically reduce pest populations is what makes mechanical control methods effective and relevant in pest management strategies.