Hazelnut IPM

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Resources about integrated pest management for hazelnuts.

Biocontrol: Natural Enemies of Key Pests of Hazelnuts in Oregon (in English)

Biocontrol, also known as biological control, uses living organisms to help control pest populations. Biocontrol is a key part of any IPM plan. Learn about some of the key pests in hazelnut orchards and the tiny friends of the orchard that consume them.

Chris Hedstrom, Nik Wiman, Heather Andrews, Adeetje Bouma, Matt Pedersen | Aug 2023 | Video

Growing Hazelnuts in the Pacific Northwest: Integrated Pest Management

This publication provides an overview of insect, disease, and vertebrate pest management in hazelnut.

Jeff L. Olsen, Jay W. Pscheidt, Vaughn Walton | Mar 2023 | Extension Catalog publication

Integrated Pest Management Strategic Plan for Hazelnuts in Oregon and Washington

Growers, commodity-group representatives, pest-control advisors, processors, university specialists, and other technical experts from the hazelnut industry in Oregon and Washington assembled this plan, which outlines major ...

Katie Murray, Paul Jepson | Mar 2023 | Extension Catalog publication

Measuring the Economic Impact of Pests and Pest Management on Oregon Hazelnuts

Insects, diseases, weeds and other pests all affect Oregon's hazelnut industry. The report analyzes real-world data on these impacts to inform producers' approaches to integrated pest management.

Katie Murray, Isaac Sandlin, Nik Wiman, Peter Ellsworth, Paul Jepson, Hang-Kwang Luh, Chris Hedstrom | Oct 2022 | Extension Catalog publication

Sustainable Hazelnut Production: Filbertworm Control by Mating Disruption

Filbertworm is the insect pest of greatest economic importance in Oregon hazelnut production. This publication explains how to Implement mating disruption as a strategy that will reduce damage caused by filbertworm ...

Betsey Miller, Daniel Dalton, Linda Brewer, Vaughn Walton | Apr 2022 | Extension Catalog publication

Hazelnut pest management guide for the Willamette Valley

Learn how to control insects, weeds and disease during each stage of hazelnut growth. View the app version View diseases, pests and products by crop stage on a web-based app. Try the app

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Apr 2023 | Extension Catalog publication

2022 Willamette Valley Pest Management Guide for Walnuts

Read the latest recommendations for insect, mite and disease control in walnut orchards.

Nik Wiman, Jay W. Pscheidt, Marcelo Moretti | Jun 2023 | Extension Catalog publication

Hazelnut Pest and Beneficial Insects: An Identification Guide

With color photos and text, describes principal insect pests of hazelnuts (filberts) including life stages, symptoms of infestation, and techniques for sampling population levels. Also describes beneficial insects (generalist natural enemies) that can combat pest insects.

Vaughn Walton | Jul 2021 | Extension Catalog publication

Identification of Invasive and Reemerging Pests on Hazelnuts

Describes key identification features, life cycle, and pest status of filbertworm, filbert weevil, filbert aphid, and hazelnut aphid. Includes color photos.

Vaughn Walton, Ute Chambers, Amy J. Dreves, Denny Bruck, Jeff L. Olsen | Jul 2021 | Extension Catalog publication

For more information about Orchard Nut IPM, please visit:

If you are interested in contributing to this Extension program, you can learn more or donate directly by using the "Donate" button for the Agricultural Research Foundation. Thank you for your generosity and support.

May 2019

Authors

Nik Wiman

Orchard Crops Specialist

Vaughn Walton

Entomologist

Jay W. Pscheidt

Professor and Statewide Extension Plant Pathology Specialist

Marcelo Moretti

Assistant Professor

David Lowenstein

(Former)

Heather Andrews

Orchard Crops Faculty Research Assistant

Rachele Nieri

Postdoctoral research associate

Want to learn more about this topic? Explore more resources from OSU Extension: Hazelnuts and nut crops, Insects, Integrated pest management

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