FFA Floriculture Practice Test

In the list of pesticides, which must be mixed with water to apply?

1. Granular

2. Emulsifiable concentrate

3. Dust

4. Solutions

The correct answer is: Emulsifiable concentrate

Emulsifiable concentrates are formulations designed to be mixed with water before application. These concentrates contain active ingredients that cannot dissolve in water on their own. By blending them with water, they form a stable emulsion, allowing for effective application as a spray. This method enhances the dispersal of the pesticide over the target area, ensuring even coverage and maximizing the efficacy of the treatment. In contrast, granular formulations are designed to be spread dry, allowing them to dissolve over time as they come into contact with moisture in the soil. Dust formulations are also applied in their dry form, as they consist of fine particles that can easily adhere to plant surfaces without needing water for their application. Solutions, while they may also be mixed with water, usually refer to substances that are fully dissolved in a liquid. However, emulsifiable concentrates specifically require the addition of water to function as intended, making them distinct in this regard.