What does pesticide resistance mean?

Pesticide resistance refers to the genetic ability of an organism, such as a pest, to tolerate or detoxify a pesticide, allowing it to survive even when exposed to the chemical. This occurs when certain individuals within a pest population possess traits that confer survival advantages in environments where pesticides are applied. Over time, these resistant individuals reproduce, leading to a population that is predominantly resistant to the effects of that particular pesticide.

Understanding this concept is crucial for effective pest management because it emphasizes the need for integrated pest management strategies and rotation of different classes of pesticides to mitigate the development of resistance. When resistance develops, it complicates pest control efforts, as traditional methods become less effective, requiring the use of alternative strategies or products, which may increase costs and environmental impacts.