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Are Your Weed-control Products Damaging Nearby Vineyards?

A brief guide for anyone living near a vineyard to understand the damaging effects that common herbicides can have on grapevines. With the Oregon grape industry growing rapidly near urban boundaries throughout the ...

Michael Kennedy, Patricia A. Skinkis | Jan 2016 | Extension Catalog publication Peer reviewed (Orange level)

How hormones and growth regulators affect your plants

Plant hormones and growth regulators are chemicals that affect flowering, aging, root growth, distortion and killing of organs, prevention or promotion of stem elongation, color enhancement of fruit, prevention of leafing and/or leaf fall, and many other conditions.

Ann Marie VanDerZanden | Jul 2012 | Article

Preventing Herbicide Drift and Injury to Grapes

This revision updates information on susceptibility of grapevines to several common herbicides used in agricultural production. Color photos illustrate injury symptoms. The publication provides practical measures that ...

Daniel A. Ball, Mary Corp, Imed Dami | Feb 2018 | Extension Catalog publication Peer reviewed (Orange level)

Managing grapevines during a heat spike

Oregon grape growers face challenges as the frequency and severity of extreme heat events increase due to climate change. Here's how grape growers can protect their crops during a heat wave.

Cody Copp, Alexander Levin | May 2022 | Article Peer reviewed (Gray level)

Season 1, Episode 3: The Grapevine "Blood Test"

Learn more about why we use leaf blades and petioles for grapevine nutrient monitoring.

Patricia A. Skinkis | Nov 2022 | Podcast episode Peer reviewed (Gray level)

Botany for Gardeners

Survey of plants and relevant non-plants; anatomy of plants; Photosynthesis, respiration and transpiration; Plant hormones

Heather Stoven | Dec 2018 | Presentation

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

Wine Grape Resources for Umatilla County

Umatilla County is home to a growing wine grape acreage and the Oregon half of the Walla Walla Valley American Viticultural Area (AVA), known for its production of high quality wine grapes. The growing conditions of this ...

Mar 2022 | Collection

Pinot Noir Crop Estimation: Increase Factor Calculator

This Excel file is for grape growers to use in calculating increase factors for Pinot noir yield estimates.

Patricia A. Skinkis, Katherine McLaughlin | Dec 2022 | Fact Sheet Peer reviewed (Gray level)

Botany Basics

Plants are essential to life on earth. Understanding how plants grow and develop helps us capitalize on their usefulness and make them part of our everyday lives.

Ann Marie VanDerZanden | Jan 2008 | Collection