MDARD Michigan Core Pesticide Applicator Practice Exam

What is the maximum temperature advised for pesticide mixing?

1. 80 degrees F

2. 90 degrees F

3. 100 degrees F

4. 110 degrees F

The correct answer is: 100 degrees F

The guideline for mixing pesticides generally recommends a maximum temperature of 100 degrees Fahrenheit. This limit is important because higher temperatures can affect the stability and effectiveness of pesticides. When pesticides are mixed at elevated temperatures, there may be an increased risk of chemical breakdown, changes in formulation properties, or potential for increased volatility. This can lead to inefficient pest control and may also pose risks to the applicator and the environment. Mixing at temperatures above this threshold may also lead to undesirable reactions between the pesticide and other components or materials being mixed, further compromising safety and efficacy. Therefore, adhering to the 100 degrees Fahrenheit limit ensures that the pesticides remain effective and safe for application.