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Competitive Orchard Systems

Program Contact: Karen Lewis, Extension Regional Specialist, Tree Fruit
(509) 766-3181 •


Links & Resources

Crop Protection Guide for Tree Fruits in Washington. This annual publication outlines examples of pesticides registered on orchard insects, diseases, and weed pests in Washington State. Efficacy and toxicity charts. Control timing by bud, bloom, and harvest stages for apples, pears, peaches, apricots, nectarines, cherries, prunes, and plums. Pesticide safety and regulatory information. Growth and nutrient sprays. Chemical and cultural control methods. Bee toxicity warnings. Download PDF or order from WSU Extension Online Store.HTML Version