Which pesticide formulation is typically used for its rapid action and low residue concerns?

The correct response is soluble powders, which are often used for their rapid action and low residue characteristics. Soluble powders dissolve in water, creating a solution that can be easily applied. This formulation allows the active ingredient to be quickly available for uptake by plants or pests, leading to a faster response in controlling the target organism.

Additionally, because soluble powders dissolve completely, they tend to leave little to no residue on treated surfaces once the application has been made. This attribute is particularly important in contexts where minimizing chemical residues is a concern, such as in food production or near sensitive environments.

Other formulations such as granulars typically require moisture to activate and may leave residues in the soil, while aerosols can provide quick results but may not penetrate as effectively into many environments. Liquid concentrates often require dilution and may leave residues depending on the active ingredients and application method.