Agriculture: Pistachio Pest Management Guidelines

Preharvest

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

About Preharvest

What should you be doing at this time?

Treat for navel orangeworm at hull split (hull slip) according to the Pistachio Pest Management Guidelines, especially if early splits are abundant and infestation levels of early splits exceed 2%.

Monitor newly budded trees for insect pests such as aphids, darkling beetles, and earwigs.

Look for:

Invertebrates

  • Citrus flat mite
  • Mealybugs

Diseases

  • Alternaria late bight
  • Botryosphaeria panicle and shoot blight
  • Verticillium wilt (late strikes)
  • Other canker diseases

Vertebrates

  • Birds
  • Ground squirrels
  • Jackrabbits
  • Meadow voles
  • Pocket gophers

Manage as needed according to the Pistachio Pest Management Guidelines.

Prepare the orchard floor before harvest by managing weeds according to the Pistachio Pest Management Guidelines.

Text Updated: 10/14