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EPA registration data for Reg. 1381-215 →
2,4-DB 200 is a Group 4 herbicide used to control a wide variety of broadleaf weeds in soybeans, peanuts, seedling and established alfalfa, and seedling birdsfoot trefoil. The active ingredient is 4-(2,4-dichlorophenoxy)butyric acid, dimethylamine salt at 25.9%. It is applied via aerial or ground application. For soybeans, it can be used as a preplant, preemergence, or postemergence treatment depending on the specific weed target and application method. When used in tank mixes with other herbicides, specific rates and combinations must be followed to ensure efficacy and prevent crop injury. Users should be aware that this product can cause crop or ornamental plant injury if applied incorrectly. Handling requires specific PPE, including long-sleeved shirts, long pants, chemical-resistant gloves, and eye protection. It is critical to follow all Worker Protection Standard (WPS) requirements, including observing the 48-hour restricted-entry interval (REI) after application. Environmental precautions include preventing drift to non-target areas and avoiding application when weather conditions favor drift or when surface water is present.
Pests covered (2)
Broadleaf weeds (e.g., velvetleaf, common ragweed, morningglory, etc.)Broadleaf Weeds
Areas treatable (1)
Soybeans, Peanuts, Alfalfa, Birdsfoot Trefoil
How to treat each type of area 1
Soybeans, Peanuts, Alfalfa, Birdsfoot Trefoil
| Target pest |
Location |
Rate |
Unit |
Label notes |
| Broadleaf weeds (e.g., velvetleaf, common ragweed, morningglory, etc.) |
Outdoor |
Varies by weed and crop |
pints/A or oz/A |
Refer to specific application tables for exact rates based on weed type and crop stage. |
Mixing instructions 1
| For pests |
Label notes |
| General broadleaf control |
Can be mixed with nonionic surfactant or other herbicides like Gramoxone, Prowl, Roundup, or Pursuit as specified in the label tables. |
Worker safety
Re-entry interval (REI)
48
PPE required
Long-sleeved shirt and long pants; shoes and socks; chemical-resistant gloves; goggles or face shield; chemical-resistant apron when mixing, cleaning up, or dispensing equipment.
Timing & weather
- Avoid application when wind speed exceeds 10 mph.
- Avoid application during temperature inversions.
- Apply according to crop growth stage (preplant, preemergence, or postemergence).
Use restrictions 4
- Do not apply to weeds in water or near surface water.
- Do not apply when weather conditions favor drift.
- Do not use in greenhouse.
- Do not use in areas where crop injury may occur (e.g., certain ornamental plants).
Active ingredient
2,4-D 22.0%
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