Browse resources | OSU Extension Service

Photo: Bob Rost (Cropped from original)

Displaying 1 - 10 of 45 resources

National Clonal Germplasm Repository: Corvallis

The National Clonal Germplasm Repository (NCGR) at Corvallis, Oregon, is a gene bank that preserves invaluable plant genetic resources of temperate fruit, nut, and agronomic crops. This gene bank maintains collections representing global diversity of hazelnuts, strawberries, hops, pears, currants, mint, gooseberries, raspberries, blackberries, blueberries, ligonberries, cranberries, quince, serviceberry, butternut, medlar, and mountain ash.

Jan 2024 | Online resource

Potential new aggressive EFB strain infecting resistant hazelnut varieties

Eastern filbert blight is a fungal disease that has infected many hazelnut orchards in Oregon and Washington. Now some of the resistant varieties are showing signs of infection, notably aggressive cankers. Learn how to identify it, report it and manage it.

Nik Wiman | Dec 2023 | Article Peer reviewed (Gray level)

Biocontrol: Natural Enemies of Key Pests of Hazelnuts in Oregon

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 Peer reviewed (Gray level)

2023 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 Peer reviewed (Orange level)

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 Peer reviewed (Orange level)

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 | Apr 2022 | Extension Catalog publication Peer reviewed (Orange level)

AgBiz Logic

AgBiz Logic is a suite of economic, financial, and environmental decision tools for businesses that grow, harvest, package, add value, and sell agricultural products. These tools are open-access (free)!

Clark Seavert | Oct 2021 | Online resource

Hazelnut stewardship initiative highlights Oregon’s sustainable practices

Positive promotion can make a difference in the reputation of the state’s hazelnuts.

Nik Wiman | May 2021 | Impact story

Hazelnut Cultivar: Lewis (OSU 243.002)

Describes characteristics of hazelnut cultivar 'Lewis'.

Anita N. Azarenko, Shawn Mehlenbacher, David Smith, Rebecca L. McCluskey | Jan 2021 | Extension Catalog publication Peer reviewed (Orange level)

High Speed Hand Washing - Adult Workplace/COVID-19 Mini-Poster, color bilingual

Adult Workplace/COVID-19 Mini-Poster, color, bilingual.

Lauren Kraemer, Glenda Hyde | Jun 2020 | Fact Sheet Peer reviewed (Gray level)