Year-Round IPM Program Pages
This year-round IPM program covers the major pests of pear.
About Bloom (red bud to petal fall)
- Special issues of concern related to environmental quality: drift, and runoff from rain.
- Mitigate pesticide effects on air and water quality.
What should you be doing during this time?
Examine flower clusters for
- Pear psylla eggs and nymphs
- European red mites
- Pear rust mites
- Caterpillars (green fruitworm, obliquebanded leafroller)
- Western flower thrips
- Mealybugs (grape, obscure)
- Western boxelder bug eggs, nymphs, and adults
Manage if needed according to the Pear Pest Management Guidelines.
Place pheromone traps in the orchard for
- Codling moth in late March for mating-disruption and conventional orchards
- Consperse stink bug in early April
- Obliquebanded leafroller in late April
Check traps and keep records (example monitoring form .
If using mating disruption for codling moth, place pheromone dispensers in orchard at biofix.
When weather conditions promote disease, time fungicide and antibiotic treatments as needed according to the Pear Pest Management Guidelines:
Watch the orchard for vertebrates and manage as necessary:
In cold, wet weather note the presence of blossom blast.