Year-Round IPM Program Pages
This year-round IPM program covers the major pests of walnut in California.
- Why is this season important in an IPM program?
- Special issues of concern related to environmental quality: none identified.
What should you be doing during this time?
If a significant number of mummy nuts are still on trees or on the ground at the end of February:
- Remove mummy nuts from trees before mid-March.
- Flail mow to destroy mummy nuts.
Mow ground cover before bloom.
If dormant scale monitoring indicated need, manage according to the Pest Management Guidelines:
Look for the following pests if they have been a problem in the past:
Manage if needed according to the Pest Management Guidelines.
Manage squirrels before April, if needed.