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Wine grapes

Photo: Patty Skinkis (Cropped from original)

Featured Resources

Check out these seasonally relevant resources for grape producers.

Recognize the Symptoms and Causes of Stunted Growth in Vineyards

Spring frost, herbicide drift, water or nutrient stress, diseases, and insect and mite pests can cause similar symptoms of stunting or distorted growth in grapevines. Recognizing the symptoms and distinguishing their ...

Patricia A. Skinkis, Vaughn Walton, Amy J. Dreves, Clive Kaiser, Steve Renquist, Steve Castagnoli, Rick Hilton, Linda Brewer | Jan 2020 | Extension Catalog publication Peer reviewed (Orange level)

Field Monitoring for Leafroll Virus and Mealybug in Pacific Northwest Vineyards

This publication focuses on in-field identification of signs and symptoms associated with grapevine leafroll-associated viruses and the insects that transmit them.

Kyoo R. Park, S. Mermer, Gordon B. Jones, Govinda Shrestha, Alexander Levin, Rick Hilton, N.H. Mercer, K.M. Daane, Linda Brewer, Patricia A. Skinkis, Vaughn Walton | Apr 2024 | Extension Catalog publication Peer reviewed (Orange level)

Scouting for Grape Powdery Mildew

This publication provides vineyard owners with approaches for finding the first occurrence of grape powdery mildew. The publication covers tactics to manage powdery mildew, including use of fungicides and canopy ...

Jay W. Pscheidt | May 2013 | Extension Catalog publication Peer reviewed (Orange level)

Monitoring vineyard nutrition

This article describes how to determine vineyard nutrient needs through grapevine tissue and soil sampling. It also provides tissue testing guidelines.

Patricia A. Skinkis, Paul Schreiner | Dec 2018 | Article Peer reviewed (Gray level)

Grapevine Nutrition

This interactive online module provides information on nutrient needs of grapevines, symptoms of deficiency and/or toxicity, and vineyard nutrient management. A section of this module explains how to diagnose non-nutrient...

Patricia A. Skinkis, Paul Schreiner | Jun 2011 | Extension Catalog publication Peer reviewed (Orange level)

How to monitor the water needs of grapevines with and without irrigation

In most years, vineyards in Oregon start the season with a full soil water profile. As the season progresses, the soil dries out. Here's how to gauge a vineyard's water needs and methods for meeting them.

Alexander Levin | Oct 2018 | Article

Pinot leaf curl disorder

Pinot leaf curl is a physiological disorder of wine grapes marked by characteristic foliar symptoms early in the season. It may be associated with prolonged cool temperatures and disruption of typical nitrogen metabolism in developing shoots.

Cody Copp, Alexander Levin | Jan 2023 | Article Peer reviewed (Gray level)

Field Guide for Integrated Pest Management in Pacific Northwest Vineyards

In this Second Edition, we update pest management practices for established pests and provide new information on emerging pests and diseases. To produce high-quality wine and juice grapes, effective pest management is...

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

Understanding Vine Balance: An Important Concept in Vineyard Management

Vineyard design and management methods that create vine balance will help sustain productive yields, achieve desired fruit quality and maintain vine health. Different climates across Oregon will affect strategies for ...

Patricia A. Skinkis, Amanda J. Vance | Jun 2013 | Extension Catalog publication Peer reviewed (Orange level)

2024 Pest Management Guide for Wine Grapes in Oregon

Learn the most effective techniques for controlling pests in commercial wine grape vineyards. This comprehensive publication covers strategies for controlling powdery mildew, botrytis bunch rot, mites and more, in addition to resources for organic growers.

View the Guide
Photo: Patty Skinkis (Cropped from original)

How to Start a Vineyard

Use these resources to learn about how to develop and manage a vineyard in Oregon.

Starting a vineyard

This article provides the important steps that need consideration in developing a vineyard business in Oregon.

Patricia A. Skinkis | Sep 2018 | Article Peer reviewed (Gray level)

Cost of establishing and managing a vineyard in Oregon

This publication provides an economic analysis of the costs to establish and manage a Pinot noir vineyard in the Willamette Valley of Oregon. Although the information is specific to a Willamette Valley scenario, the information is useful for those who are planning to establish a vineyard.

Patricia A. Skinkis, Beau Olen | Nov 2018 | Online resource

Establishing a Vineyard in Oregon: A Quick-Start Resource Guide

This is a quick reference for those interested in establishing a vineyard in Oregon. A step-by-step format guides readers to the basic information they would need to consider before developing a vineyard, including ...

Patricia A. Skinkis | Mar 2022 | Extension Catalog publication Peer reviewed (Orange level)

Latest resources

Field Monitoring for Leafroll Virus and Mealybug in Pacific Northwest Vineyards

This publication focuses on in-field identification of signs and symptoms associated with grapevine leafroll-associated viruses and the insects that transmit them.

Kyoo R. Park, S. Mermer, Gordon B. Jones, Govinda Shrestha, Alexander Levin, Rick Hilton, N.H. Mercer, K.M. Daane, Linda Brewer, Patricia A. Skinkis, Vaughn Walton | Apr 2024 | Extension Catalog publication Peer reviewed (Orange level)

Season 2, Episode 8 | Adapting Research to Build Precision Viticulture Tools

Learn about how engineers work with viticulturists to develop a vine nutrition sensor.

Patricia A. Skinkis | Mar 2024 | Podcast episode Peer reviewed (Gray level)

Season 2, Episode 7 | Precision Ag Requires Sensors and Models with Feedback Loops

Learn about research results from the HiRes Vineyard Nutrition Project!

Patricia A. Skinkis | Mar 2024 | Podcast episode Peer reviewed (Gray level)

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Commercial vineyard located in Oregon's Eola-Amity Hills AVA.
Credit: OSU Marketing

National research team working on vineyard nutrition management

Oregon State University is one of several institutions involved in developing better mineral nutrient guidelines and monitoring methods for commercial vineyards and wineries. The High Resolution Vineyard Nutrient Management Project Team consists of 14 scientists from seven institutions from across the US, and includes national and international collaborators.

Learn more about the HiRes Vineyard Nutrition Project

Related News

VIT TECH provides continuing education resources for northeast Oregon viticulturists

Post-webinar surveys indicated that 100% of respondents learned something new, 64% of respondents are likely to change their practices based on this information, and 100% of respondents are likely to attend future sessions.

Cody Copp | Apr 2024 | Impact story

Extension research educates producers on leaf removal in Oregon vineyards

The study showed that leaf removal becomes a critical cultural practice to prevent disease development in combination with fungicides.

Patricia A. Skinkis | Mar 2024 | Impact story

Oregon State researchers make breakthrough in understanding the chemistry of wildfire smoke in wine

Oregon State University researchers have discovered a new class of compounds that contributes to the ashy or smokey flavors in wine made with grapes exposed to wildfire smoke.

Sean Nealson | Apr 17, 2023 | News story

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Meet Our Experts

Cody Copp
Assistant Professor of Practice

Contact me for questions related to commercial and home horticulture in Umatilla County and Eastern Oregon.

Alexander Levin
SOREC Director and Viticulturist
Dr. Patty Skinkis standing in OSU's research vineyard
Patricia A. Skinkis
Viticulture Extension Specialist

Contact for commercial wine grape production questions in Oregon (statewide).

Vaughn Walton
Entomologist
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