What type of pesticide is typically delivered in gas form and can eliminate most pests with a single treatment?

Fumigants are a specific category of pesticide that are delivered in gaseous form and are particularly effective for pest control. When applied, they penetrate into areas that may be difficult for liquid or solid formulations to reach, such as soil, buildings, and stored products. The gaseous nature of fumigants allows them to fill an entire space, which can lead to an effective eradication of a wide variety of pests, including insects, weeds, and pathogens, often with a single treatment. This efficiency in application and effectiveness makes fumigants a valuable tool in pest management.

The other types of pesticides mentioned serve different purposes and have unique application methods; for instance, adjuvants are substances that enhance the efficacy of pesticides but are not pesticides themselves, granular applicators refer to solid formulations applied in granule form, and microencapsulated pesticides are products designed for slow release, which do not provide the fast-acting impact of fumigants. Understanding the specific characteristics and applications of these different pesticide types is crucial for effective pest management.