Agriculture: Almond Pest Management Guidelines

Fruit Development (Late April to Start of Shaking)

This year-round IPM program covers the major pests of almond in California.

About Fruit Development

What should you be doing during this time?

Monitor shoot strikes for peach twig borer and Oriental fruit moth; examine strikes to properly identify species.

  • Manage if needed according to the Pest Management Guidelines.

Monitor San Jose scale:

Monitor navel orangeworm egg, and pheromone, traps:

  • Keep records (PDF).
  • Manage if needed according to the Pest Management Guidelines.

Monitor ant mounds (once during April or May)

  • Keep records (PDF).
  • Manage if needed according to the Pest Management Guidelines.

Monitor spider mites weekly:

  • Keep records (PDF).
  • Manage if needed according to the Pest Management Guidelines.

Take leaf samples in April or July to make sure that nitrogen levels do not favor hull rot.

Monitor for and manage if needed according to the Pest Management Guidelines:

Assess weeds in late spring:

  • Identify uncontrolled weeds to plan future management strategies.
  • Keep records (PDF) of monitoring.
  • Continue to maintain ground cover to facilitate cultural practices and pest management.

Identify beginning of hullsplit; regulate irrigation during hullsplit to manage hull rot.

Text Updated: 08/17