Answer:
The correct answer is "never sterilizing tools".
Explanation:
Integrated pest management (IPM), also known as integrated pest control (IPC), is a series of recommended practices to reduce and control the development of pests in plants of interest. Never sterilizing tools is not part of following a IPM approach. Actually, it is recommended to sterilize tools to eliminate any risk of contamination and spreading the pests that could result from handling contaminated plants.