How can temperature affect the volatility of pesticides?

Higher temperatures can increase the volatility of pesticides, which means that more of the pesticide can evaporate into the air, leading to a greater potential for drift. Volatility refers to how easily a substance can transition from a liquid or solid state into a gas. As the temperature rises, the kinetic energy of the pesticide molecules increases, making them more likely to escape from the surface and enter the atmosphere. This is particularly important in pesticide application because increased drift can lead to unintended consequences, such as affecting non-target plants, beneficial insects, or contaminating water sources.

Understanding this relationship is crucial for applicators, as it highlights the importance of adhering to recommended temperature ranges during pesticide applications to minimize drift and ensure that the pesticide remains effective in its intended target area.