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Pistachio > Year-Round IPM Program > Postharvest

Pistachio

Why is postharvest important in an IPM program?

Harvested pistachios.

Harvested pistachios.

After harvest, it is important to perform orchard sanitation and to review all of your monitoring records for the past growing season, to help plan dormant season activities.
 
Pruning trees of infected, dead, and dying branches and destroying them reduces inoculum sources for Botrytis blossom and shoot blight and Botryosphaeria panicle and shoot blight.

Removing and destroying, or discing under, unharvested nuts and mummies from trees and the ground reduces overwintering sites for navel orangeworm and sources of inoculum for Botryosphaeria panicle and shoot blight.

Some of the tools for evaluation and planning include mealybug monitoring and fall weed monitoring.

Statewide IPM Program, Agriculture and Natural Resources, University of California
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