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Herbicide, Physiological, and Other Disorders

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:

Washington State Rules and Regulations – Herbicide Drift

Disorders and Environmental Stressors

Physiological Disorders

Smoke Exposure – WSU Wepage

Water Stress