Which would be considered a preventive pest management strategy?

The choice highlighting the planting of weed and disease-free seed on an athletic field embodies the essence of preventive pest management strategies because it focuses on creating conditions that deter pest infestations and plant diseases before they occur. By selecting clean, healthy seeds that are free from these potential threats, one is proactively addressing the root cause of pest issues, rather than reacting to a problem after it has arisen.

This method aligns well with the principles of integrated pest management (IPM), which emphasize prevention and long-term management of pest populations rather than just immediate control measures. By establishing a foundation of healthy plants, you reduce the likelihood of pests finding a suitable environment to thrive, thereby minimizing the need for later interventions.

In contrast, other strategies such as using pesticide-treated seeds, employing traps, or applying pesticides on a schedule are more reactive in nature. While these methods can effectively manage existing pest populations or mitigate damage, they do not prevent the initial occurrence of pests. Such strategies often rely on addressing pest problems after they manifest, rather than preventing them through careful planning and selection. This demonstrates the significant value of preventive measures in pest management.