MDARD Michigan Core Pesticide Applicator Practice Exam

What is one advantage of liquid concentrates (C, LC, or WSC/WSL)?

1. Do not require agitation

2. High availability

3. Soluble in water for easy cleanup

4. Leave visible residue

The correct answer is: Do not require agitation

Liquid concentrates, such as concentrated solutions (C), liquid concentrates (LC), or water-soluble concentrates (WSC/WSL), are formulated to hold a high concentration of active ingredients. One notable advantage of these products is their ability to be mixed and diluted with water, often without the need for intense or constant agitation during application. This characteristic allows for easier handling and preparation of pesticide mixtures, significantly reducing the labor and time involved in mixing, particularly when compared to other formulations that may settle or require persistent stirring to remain homogenous. In practice, having a formulation that does not require agitation simplifies the application process. Applicators can prepare their mixtures more efficiently, ensuring that the pesticide remains evenly dispersed in the solution. This means that the active ingredients can be delivered effectively without the risk of sedimentation, ensuring consistent efficacy during application. The other options present specific features that may apply to different types of formulations but do not highlight the particular advantages of liquid concentrates. While high availability, solubility for cleanup, and visible residue may be relevant attributes in certain contexts, they do not encapsulate the ease of use and convenience that comes with liquid concentrates, which is primarily characterized by their minimal agitation requirements.