Oklahoma Applicators License Core Practice Exam

When dealing with drift concerns, which formulation is recommended?

1. Wettable powder formulation

2. Granular formulation

3. Emulsifiable concentrate formulation

4. Flowable formulation

The correct answer is: Granular formulation

Granular formulations are often recommended when dealing with drift concerns due to their physical properties and application methods. Unlike liquid formulations, which can easily become airborne and drift away from the target area when sprayed, granular products are usually applied in a solid form. This reduces the likelihood of drift since they do not easily evaporate or disperse into the air. Granular formulations also tend to have minimal risk of off-target movement, especially in windy conditions, as they are heavier and stay in place more effectively. This means they can be particularly advantageous for applications near sensitive areas, reducing the potential for environmental impact and non-target species exposure. In contrast, other formulations like wettable powders and emulsifiable concentrates can be more prone to drift because they are applied as sprays that can be carried by wind. Flowable formulations, while also less likely than emulsifiable concentrates to drift, still carry some risk due to their liquid nature. Thus, choosing a granular formulation is a practical approach to minimize drift during pesticide applications.