What does the term "active ingredient" refer to on a pesticide label?

The term "active ingredient" on a pesticide label specifically refers to the chemical compound in the formulation that is responsible for the pesticide's effectiveness. This ingredient is the key component that targets and controls the pests for which the pesticide is intended. Understanding what the active ingredient is crucial for users, whether they are agricultural professionals, pest control operators, or homeowners, as it informs them about the pesticide's efficacy and the specific pests it can manage.

Active ingredients are usually listed prominently on labels, along with their concentration in the product. In contrast, other components of a pesticide formulation, such as non-active substances or diluents, serve different purposes, such as enhancing the stability of the product, aiding in application, or improving delivery to the target area but do not contribute to the pest control effect. Thus, identifying the active ingredient helps users make informed decisions about product selection and application according to their pest management needs.