Final answer:
A pesticide may become ineffective, cause staining or residue, or potentially cause a fire depending on the surface treated. Pesticide resistance can lead to the ineffectiveness of pesticides, emphasizing the importance of using ecologically friendly control methods.
Step-by-step explanation:
Depending on the type of surface being treated, a pesticide may:
- Be rendered ineffective due to various reasons such as pesticide resistance, which occurs when pests evolve to withstand the effects of the pesticide.
- Cause staining on certain materials or surfaces due to its chemical composition.
- Leave an unsightly residue that can be difficult to clean or may require special procedures to remove.
- Potentially cause a fire if used improperly or in environments where flammable materials are present.
Pesticides are substances intended to control pests such as insects, weeds, and fungi. However, they can sometimes stop working due to pesticide resistance, which is a form of microevolution. It is crucial to use pesticides in a manner that minimizes environmental disruption, such as choosing non-persistent products and targeted application.