Spreaders are surfactants. See Surfactant . Spreader-stickers are compounds that perform two functions at the same time. They stick and spread chemicals to plant surfaces. See surfactants and stickers for descriptions of individual types of adjuvants.
Stickers are adjuvants that aid in the attachment of a chemical to a surface.
They can lengthen the time that a chemical is attached to a plant surface. Stickers generally make pesticide deposits less easily removed from leaves by forces such as rain or wind. Sticker-spreaders are compounds that perform two functions at the same time. They stick and spread chemicals to plant surfaces. See stickers and surfactants for descriptions of individual types of adjuvants.