What does the acronym "WP" denote in pesticide terminology?

In pesticide terminology, "WP" stands for wettable or soluble powders. These are formulations of pesticides that are typically designed to be mixed with water before application. When a wettable powder is added to water, it disperses and can be easily sprayed onto surfaces or plants, allowing for effective pest control. This formulation is advantageous because it allows for a high concentration of active ingredients while remaining easy to transport and store.

Wettable powder formulations are popular among pest control professionals because they can provide a controlled release of the pesticide, increasing its efficacy and often extending its residual effects. Additionally, this type of formulation is often less likely to be affected by environmental conditions compared to other forms of pesticides. Understanding this terminology is crucial for those involved in the application and regulation of pesticides, as it influences how these products should be handled and applied for optimal results.