What is a key characteristic of microencapsulated pesticides?

Microencapsulated pesticides are designed with protective coatings that encapsulate the active ingredient. This unique structural feature is essential because it facilitates a slow and controlled release of the pesticide over time. This slow release mechanism enhances the longevity of the pesticide's effectiveness, allowing it to remain active in the environment for a longer period and improving the overall efficacy against targeted pests.

The ability to release the active ingredient gradually can also reduce the frequency of applications needed, thus contributing to more efficient pest management practices. This characteristic is particularly beneficial in agricultural settings, where sustained pest control is critical.

Other characteristics, such as being used without water or easily applied with granular applicators, do not accurately represent microencapsulation. Similarly, while some pesticides may have immediate action, microencapsulation typically aims for extended release rather than instant results. Hence, the aspect of slow release is a defining feature of microencapsulated pesticides.