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Plant Herbicide Symptoms

Herbicides are pesticides designed to kill plants. Sometimes plants are accidentally exposed to herbicides through drift, herbicide residue in the soil and deposition of airborne particles. Herbicide symptoms may take days or weeks to develop. This is because herbicides frequently mimic plant hormones, and because some herbicides can take several days to kill a plant. How do you know the difference between plant disease, water/nutrient stress and herbicide injury? There is no simple answer.

If you have questions about this, or any pesticide-related topic, please call NPIC at 1-800-858-7378 (8:00am - 12:00pm PST Mon.-Fri.), or email us at npic@ace.orst.edu.

Additional Resources:

Last updated July 12, 2017

Related Topics:

What are pests?

Learn about a pest

Identify a pest

Control a pest

Integrated Pest Management

What are pesticides?

Herbicides

Disinfectants

Fungicides

Insecticides

Natural and Biological Pesticides

Repellents

Rodenticides

Other types of pesticides

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