What type of utility adjuvant is used to reduce foam in pesticide applications?

A defoamer is specifically designed to reduce foam in pesticide applications. Foaming can interfere with the effectiveness of pesticide delivery and coverage, potentially leading to uneven application and reduced pest control efficacy. Defoamers work by breaking down the foam structure, allowing for smoother mixing and application of the pesticide.

In contrast, surfactants are generally used to improve the wetting and spreading of a pesticide on the target surface, while wetters enhance the penetration of the pesticide into the plant surface. Stickers are designed to help the pesticide adhere better to surfaces, thereby providing a longer-lasting effect. While these other types of adjuvants play important roles in pesticide applications, they do not specifically target foam reduction like a defoamer does.