Year-Round IPM Program Pages
This year-round IPM program covers the major pests of almond in California.
About Bloom to Postbloom
- Why is this crop stage important in an IPM program?
- Mitigate pesticide effects on air and water quality
What should you be doing during this time?
- Ensure that mummies on the ground are destroyed before navel orangeworm emergence.
Put out pheromone traps,
- Central and southern San Joaquin Valley by February 15 (pheromone) or March 15 (egg).
- Northern San Joaquin and Sacramento valleys no later than the first week of March (pheromone) or March 15 (egg).
When rainy conditions promote disease, time pesticide applications according to the Pest Management Guidelines for:
Monitor for shot hole fruiting structures in leaf lesions as long as weather is wet. Apply fungicides if needed according to the Pest Management Guidelines.
- Put up pheromone traps by March 1 and check according to the Pest Management Guidelines.
- Record results .
Start to monitor for spider mites when mites are first seen in the lower center tree canopy.
- Manage if needed according to the Pest Management Guidelines.
- Brown mite
- European red mite
- Forest tent caterpillar
- Fruittree leafroller (possible nut drop)
- Leaffooted plant bug (possible nut drop)
- Obliquebanded leafroller
- Armillaria root rot (oak root fungus)
- Bacterial canker
- Phytophthora root and crown rot
- Wood-decay fungi (fruiting bodies)
Manage orchard floor vegetation:
- Mow ground cover before bloom for frost protection and to remove competing bloom.