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Pest Management – Tree Fruit

Overview of PNW resources for tree fruit pests and a summary of factsheets and PNW’s when available.

Orchard Pest Management Online. Complete guide to identification, threshold determination and management for both direct and indirect pests of tree fruit.

Integrated Pest Management for Apples – A Guide for Sampling and Decision-Making for Key Apple Pests in Northwest Washington.

EB0419 Crop Protection Guide for Tree Fruits in Washington.

EM066E – Organic Pest and Disease Management in Home Fruit Trees and Berry Bushes. This publication is to provide growers in the Pacific Northwest with an organic approach for reducing pests and plant diseases on their homegrown tree fruit and berries. After properly selecting and placing plants in the home landscape, gardeners need to periodically monitor plant health for any emerging pest or disease problems. Home gardeners should use a combination of cultural, physical, biological, and organically-approved chemical integrated pest management (IPM) strategies to manage these problems.

PNW582 Apple Scab. Apple scab is a fungal disease that is most common in areas of high rainfall and relative humidity. Spots and lesions develop on leaves and fruit. Illustrations identify symptoms and describe the fungus life cycle, while tables provide detail susceptible conditions and cultivars. Control consists of sprays and proper culture.

EB1384E – Apple-and-Thorn Skeletonizer. During certain years, apparently following very mild winters, the apple-and-thorn skeletonizer, Eutromula pariana, can be a serious pest to home orchardists. This insect, of European origin, is now found throughout many parts of the United States and Canada, including all fruit growing areas of Washington.

EB1928E – Protecting Backyard Apple Trees from Apple Maggots. Since first detected in 1979 in Portland, Oregon, the apple maggot has spread and infested apples in many parts of the Pacific Northwest. This publication discusses management options for small sized orchards.

FS120E – Codling Moth and Your Backyard Fruit Tree. The codling moth is a key pest in apple, pear, crabapple, and Oriental pear trees across the state of Washington. This publication provides information on the life cycle of the pest and management strategies for controlling codling moth infestations in backyard fruit trees.

FS125E – Western Cherry Fruit Fly and Your Backyard Cherry Tree. This fact sheet provides information on how to identify this fruit fly pest, as well as both chemical and nonchemical strategies for successfully controlling it when it is found in backyard cherry trees.

EB1206E – European Earwig Prevention and Control. The European earwig, Forficula auricularia, is sometimes a serious pest in various parts of Washington. It is destructive to vegetables and flowers and is occasionally a pest of bush and tree fruits.

FS049E – Spotted Wing Drosophila (SWD) Monitoring, Identifying, and Fruit Sampling. Commercial and home fruit growers are encouraged to monitor SWD starting just before fruit begins to ripen and to apply control sprays when the first SWD are found in the monitoring traps or when there are local reports of SWD found in the area. This fact sheet describes how to make a monitoring trap, how to sample fruit, and how to identify SWD.

EM 9021 – Recognize Fruit Damage from Spotted Wing Drosophila. This publication shows damage caused by SWD on blueberries (Duke), raspberries (Malahat), strawberries (Seascape), cherries (Bing, Montmorency, and Rainier), and grapes (Pinot Noir, Chardonnay).

FS011E Pear Slug. This insect, related to bees, ants, and wasps, favors pear and cherry, but attacks plum, hawthorn, quince, buttonbrush, and mountain ash. Bulletin sketches life history and chemical control.