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Alligare Diuron 4L Herbicide is a professional-grade pre- and post-emergent herbicide formulated for long-lasting control of annual and perennial grasses and broadleaf weeds. It is for use in agricultural crops and non-crop industrial sites to prevent new weed emergence while suppressing existing vegetation when applied according to label directions.
Diuron 4L delivers reliable residual weed control against common problem species such as crabgrass, foxtail, annual bluegrass, annual ryegrass, quackgrass, pigweed, ragweed, horseweed, horsenettle, dogfennel, sesbania, kochia, sandbur, and maidencane. Its mode of action inhibits photosynthesis in susceptible weeds, helping stop growth early and maintain cleaner treated areas over extended periods.
The liquid flowable formulation allows for easy mixing, uniform spray coverage, and flexible tank-mix programs for resistance management. Alligare Diuron 4L can be used in orchards, field crops, grass seed crops, rights-of-way, highways, industrial sites, pipelines, fence rows, and drainage ditches where long-term weed suppression and consistent performance are required. Best results occur when applications are followed by rainfall or irrigation to activate the herbicide in the soil profile.
Product Documents
| Active Ingredient | Diuron – 40.7% |
|---|---|
| Target pests | Annual and perennial grasses including: Crabgrass, foxtail, annual bluegrass, annual ryegrass, quackgrass, sandbur, maidencane. Broadleaf weeds including: Pigweed, ragweed, horseweed, horsenettle, dogfennel, sesbania, kochia, pokeweed, Spanishneedles. *See label for full details. |
| For use in |
Agricultural sites Airports Highways and roadsides Utility and railroad rights-of-way Industrial sites Pipeline and tank farms Fence rows and storage areas *See label for full details. |
| Application | Mix with water and apply as a spray using properly calibrated equipment. Applications may be made pre-emergence for residual control or post-emergence for suppression of actively growing weeds. Moisture is required to activate soil applications. Application rates vary by weed species, soil type, organic matter, and use site. Always follow the product label for complete directions. |
| Pet safe | Yes, if used as directed on label |
| Formulation | Professional-grade |
| NOT FOR SALE TO |
AK, HI, NY CA, CO, MA, MI, VT, WA (Restricted To Licensed Applicators Only) |
| Shipping Weight | 25.07 lbs |
| Manufacturer | Alligare LLC (Mfg. Number: 12130) |
| UPC | 00192702121203 |
| EPA Registration | 81927-44 |
Application:
Alligare Diuron 4L must be applied uniformly to avoid crop injury or weed escapes. Continuous agitation is required to keep the product in suspension. Soil texture and organic matter significantly influence rate selection, with higher rates required on heavier soils.
Pre-emergent applications require rainfall or irrigation for activation, with best results occurring when moisture is received within two weeks of application. Post-emergent performance is optimized when weeds are actively growing under warm temperatures and higher humidity.
Do not exceed maximum single or annual application limits. Avoid drift, runoff, or movement into non-target areas. Follow all resistance management recommendations, including rotating herbicides with different modes of action.
Always read and follow the product label for complete directions, restrictions, and precautions.
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