How can an applicator minimize pesticide resistance?

Rotating different classes of pesticides is an effective strategy for minimizing pesticide resistance. Pests can develop resistance to a specific chemical compound or class when it is used repetitively and at the same dosage. By alternating between different classes, each with a distinct mode of action, the likelihood of pests developing resistance decreases. This approach disrupts the selection pressure on the pest population, allowing for more sustainable pest management over time.

Increasing the dosage of pesticides, using only chemical methods, or applying pesticides more frequently can actually exacerbate resistance issues. Higher dosages or more frequent applications can lead to a rapid selection of resistant individuals within the pest population. Implementing a more integrated pest management strategy that includes rotation of pesticide classes helps maintain the effectiveness of chemicals and prolongs their useful life in pest control programs.