Which types of pesticide formulations are suitable for direct application without dilution?

The suitable types of pesticide formulations for direct application without dilution are primarily baits, granules, gels, and dusts. These formulations are designed to be used as is, meaning they are effective in their concentrated form without requiring any additional mixing with water or other solvents.

Baits are often used to attract pests, and their formulation allows for immediate application. Granules are solid formulations that can be spread directly onto the ground or into soil, and they release their active ingredients over time as they are broken down. Gels are viscous formulations that cling to surfaces and can be applied directly to areas where pests are likely to be found. Dusts are fine particles that can be applied directly in a powdered form to surfaces or into cracks and crevices.

Other formulations, such as emulsifiable concentrates, solutions, flowables, invert emulsions, liquid sprays, and ULV (ultra-low volume) formulations, typically require dilution with water or another carrier before application. This is due to their concentrated nature and the need to ensure even distribution and effectiveness of the active ingredients when pest control is carried out. Therefore, they do not fit the criterion of being suitable for direct application without dilution.