Year-Round IPM Program Pages
When planning for possible pesticide applications in an IPM program, review and complete this checklist to consider practices that minimize environmental and efficacy problems.
Choose a pesticide from the UC IPM Pest Management Guidelines for the target pest, considering:
- Impact on natural enemies and pollinators.
- Potential for water quality problems using the UC IPM WaterTox database.
- Impact on aquatic invertebrates. For more information, see Pesticide Choice, UC ANR Publication 8161.
- Chemical mode of action, if pesticide resistance is an issue. For more information, see
- Endangered species that may be near your site. Find out using the Department of Pesticide Regulation's PRESCRIBE program.
Before an application
- Ensure that spray equipment is properly calibrated to deliver the desired pesticide amount for optimal coverage.
- Use appropriate spray nozzles and pressure to minimize off-site movement of pesticides.
- Avoid spraying during these conditions to avoid off-site movement of pesticides.
- Wind speed under 3 mph and over 10 mph
- Temperature inversions
- Just prior to rain or irrigation (unless it is an appropriate amount, such as when incorporating a soil-applied pesticide)
- At tractor speeds over 2 mph
- Identify and take special care to protect sensitive areas (for example, waterways or riparian areas) surrounding your application site.
- Review and follow labeling for pesticide handling, personal protection equipment (PPE) requirements, storage, and disposal guidelines.
- Check and follow restricted entry intervals (REI) and preharvest intervals (PHI).
After an application:
- Record application date, pesticide used, rate, and location of application.
- Follow up to confirm that treatment was effective.
Consider water management practices that reduce pesticide movement off-site.
- Consult relevant publications: Protecting Surface Water from Sediment-Associated Pesticides in Furrow-Irrigated Crops, UC ANR Publication 8403 (PDF).
- Consult the Department of Pesticide Regulation Groundwater Protection Program (GWPA) website for pesticide information and mitigation measures.
- Install an irrigation recirculation or storage and reuse system. Redesign inlets into tailwater ditches to reduce erosion. For more information, see these publications:
- Reducing Runoff from Irrigated Lands: Tailwater Return Systems, UC ANR Publication 8225 (PDF).
- Reducing Runoff from Irrigated Lands: Storing Runoff from Winter Rains, UC ANR Publication 8211 (PDF).
- Use drip rather than sprinkler or flood irrigation.
- Limit irrigation to amount required using soil moisture monitoring and evapotranspiration (ET). (For more information, see Reducing Runoff from Irrigated Lands: Understanding Your Orchard's Water Requirements, UC ANR Publication 8212 (PDF).)
- Consider using cover crops.
- Consider vegetative filter strips or ditches. (For more information, see Vegetative Filter Strips, UC ANR Publication 8195 (PDF)
- Use polyacrylamide (PAM) tablets in furrow irrigation systems to prevent off-site movement of sediments.
Consider practices that reduce air quality problems.
- When possible, reduce volatile organic compound (VOC) emissions by decreasing the amount of pesticide applied, choosing low-emission management methods, and avoiding fumigants and emulsifiable concentrate (EC) formulations.
For more about mitigating the effects of pesticides, see the Mitigation page.