What happens when two or more pesticides cannot be effectively mixed together?

When two or more pesticides cannot be effectively mixed together, they are called incompatible. Compatibility refers to the ability of two or more substances to mix homogeneously without separating into layers or forming precipitates. In the case of incompatible pesticides, mixing these substances can lead to issues such as separating after mixing, reducing effectiveness, or even causing harmful reactions.

Understanding compatibility is critical for pesticide applicators, as using incompatible products can compromise pest control efforts and potentially cause negative effects on crops, the environment, or even result in damage to application equipment. To avoid these risks, applicators need to consult compatibility charts or product labels before mixing pesticides to ensure that any combinations used will work effectively and safely together.