Tree Fruit Research & Extension Center

Orchard Pest Management Online

OPM Online is based on the book "Orchard Pest Management: A Resource Book for the Pacific Northwest"

Edited by Elizabeth Beers, Jay F. Brunner, Michael J. Willett and Geraldine Warner
With original illustrations by Geraldine Warner
Published 1993 by the Good Fruit Grower, Yakima, WA

Concepts of Integrated Pest Management

Integrated Pest Management Overview

Insect Growth and Development

Animal Classification


Biological control

Degree-day Models

Degree Day Tables

Insect Growth Regulators

Managing Pesticide Resistance

Mating Disruption

Natural Enemies


Scientific Names



Orchard Pest Management, is copyrighted by the Washington State Fruit Commission. Soft cover copies are available for purchase.
Tree Fruit Research & Extension Center , 1100 N Western Ave, Washington State University, Wenatchee WA 98801, 509-663-8181, Contact Us