Texas Pesticide Applicator Practice Exam

How can you find out if two pesticides are compatible?

1. Consult a pesticide dealer

2. Mix a small amount and observe

3. Read the label

4. Research online

The correct answer is: Read the label

Reading the label is the most reliable method for determining if two pesticides are compatible. Pesticide labels contain critical information regarding the mixing of the product with other pesticides, including any warnings about physical incompatibility, reactions, or detrimental effects on performance. Labels often specify which combinations are known to be safe and effective, along with any guidelines or restrictions that should be followed. While consulting a pesticide dealer can provide insights, it may not always be accurate or reflect the most current information. Mixing a small amount to observe could lead to undesirable reactions that may compromise safety or effectiveness. Researching online may yield helpful information, but it might not be as specific or trustworthy as the official label. Therefore, the label serves as the definitive source of information for understanding the compatibility of pesticides.