NC State Extension Publications

Problem

Herbicide injury - gramoxone (Paraquat)

Symptoms

Burning of foliage followed with browning. Contact kill of foliage.

Curled strawberry leaves with brown areas.

Gramoxone injury 48 hours after application.

Rocco D Schiavone

Strawberry plant with yellow leaf and brown spots

Gramoxone injury 48 hours after application.

Rocco D Schiavone

Strawberry plant with dead brown areas on leaf

Gramoxone injury 5 days after application.

Rocco D Schiavone

Mostly dead strawberry plant with brown tissue

Gramoxone injury 7 days after application.

Rocco D Schiavone

Strawberry plant with damaged brown tissue.

Gramoxone injury 14 days after application.

Rocco D Schiavone

Similar Problems

Other herbicides can cause similar damage to strawberry plants.

Additional Information

Injury visible within 24 hours.

Diagnostic Tips

Plants affected will be near areas where weeds were sprayed with the herbicide resulting from drift or spotting during application.

Corrective Measures

No corrective measures are available.

Management

Avoid use of non-selective herbicide near strawberry fields. Avoid pesticide application during wind. Use large droplet size and low pressure to avoid drift.

Funding Sources

Funding was provided in part by the National Sustainable Agriculture Program: Sustainable Strawberry Initiative and the following sources.

University of Arkansas Division of Ag logo

Walmart logo

Author

Research Specialist
Horticultural Science

Publication date: June 26, 2014

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