What does "translocation" refer to when discussing pesticide application?

Translocation refers specifically to the internal movement of pesticides within treated plants or soil. When a pesticide is applied, it can be absorbed by the plant through its roots or leaves and then moved through the plant's vascular system to different parts such as stems, leaves, and fruits. This movement is crucial because it allows the pesticide to reach areas where pests may be hiding or feeding, enhancing its effectiveness.

Understanding translocation is vital for pesticide application because it informs practitioners about how the chosen chemical will distribute within the target organism, thereby affecting its control potential over pests. The other processes mentioned do not align with the definition of translocation; for instance, evaporation pertains to environmental interactions rather than internal movements, whereas applying pesticides to water sources focuses on the method of delivery rather than what happens after application.