Herbicide Drift
Herbicide Drift and Damage
Herbicide drift and resulting damage can cause serious problems in vineyards. However, herbicide damage is often confused with plant diseases, especially those caused by viruses. Below are links to resources that can help you identify potential herbicide damage, and how to reduce drift:
- Field Guide for Integrated Pest Management in Pacific Northwest Vineyards – #PNW644
- Are Your Weed-Control Products Damaging Nearby Vineayrds – OSU #EM9132
- Recognize the Symptoms and Causes of Stunted Growth in Vineyards – OSU #EM8975
Washington State Rules and Regulations – Herbicide Drift
- Penalties and Fees for Drift – WAC 16-228-1130
- Unlawful Pesticide Use – RCS17.21.150
Disorders and Environmental Stressors
Physiological Disorders
- Berry Shrivel – WSU Website
- Blackleaf in Grapes – WSU #EB0745
Smoke Exposure – WSU Wepage
Water Stress
- Drought Advisory for Grapes (.pdf) – WSU #EM4831e
- Irrigation Strategies for Grapes – Webpage
Coronavirus COVID-19
The V&E Program is following CDC, state, and university recommendations to practice social distancing in order to slow the spread of the novel COVID-19 virus. We have temporarily modified our operations to include teleworking options for our faculty, staff and graduate students, but remain available to serve you during regular business hours though email, phone and videoconference. Visit WSU’s source of updates and information about COVID-19 at wsu.edu/covid-19/
