Herbicide Injury - 2,4-D(Broadleaf Weed Killer)
- Type
- Physiological
- Leaf Condition
- Distorted, Interveinal necrosis, Stunted
- Leaf Color
- Pale green, Marginal chlorosis, Interveinal chlorosis, Complete chlorosis
- Leaf Location
- Entire leaf, Edge, Young, Mature
- Petioles Condition
- Distorted, Death
- Plant Size
- Stunted
- Flower Condition
- Distorted
- Field Distribution
- Random, Edges, Localized
- Prior Environmental
- Wind, Pesticide spray
- Season
- Post transplant, Early spring, Pre harvest, Harvest, Post harvest
- Cropping System
- Annual plasticulture, Perennial matted row
Problem
2,4-D herbicide injury
2,4-D herbicide injury 48 hours after application.
Rocco D Schiavone
2,4-D injury 5 days after application.
Rocco D Schiavone
Strawberry with 2,4-D injury 10 days after application.
Rocco D Schiavone
Symptoms
Leaf and petiole distortion with twisting and bending. Fruit fasciation. Plant death.
Similar Problems
Other auxin herbicides such as dicambia will cause similar damage to strawberry plants.
Additional Information
When used in matted row apply in winter on dormant plants or post harvest as a renovation treatment. May cause injury from drift when applied to adjacent turf or crops. Use amine formulation only when applied to strawberries.
Diagnostic Tips
Injury will be evident soon after exposure. Plant will grow rapidly with twisted foliage before death.
Corrective Measures
No corrective measures available.
Management
Avoid use of broadleaf herbicide near strawberry field. Avoid pesticide application during wind. Use large droplet size and low pressure to avoid drift. If used in matted row system be sure plants are dormant for winter application.
Useful Resources
North Carolina Agricultural Chemicals Manual
Southern Region Small Fruit Consortium
NCCE Strawberry Growers portal
Funding Sources
Funding was provided in part by the National Sustainable Agriculture Program: Sustainable Strawberry Initiative and the following sources.
