Prime Source Triclopyr 4E Select

Prime Source Triclopyr 4E Select

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Product Overview

Prime Source Triclopyr 4E Select is an emulsifiable, oil-soluble liquid herbicide that targets woody plants and annual and perennial broadleaf weeds. It can be applied as a  basal bark or as a foliar spray. When used as a foliar spray, it only affects woody plants that are fully leafed at the time of application and herbaceous plants that have emerged from the ground. Small amounts of this product can injure non-target crops and plants, so follow the label directions carefully. Recommended for application to areas such as ornamental turf, rangeland, rights of way, grass pastures, non-crop areas, and industrial sites. 

Features and Specs

Active Ingredient Triclopyr - 61.6%
Target pests Woody plants and broad leaf weeds.
For use in Turfs, ornamentals, industrial sites, non-irrigation ditch banks, rights-of-way, rangeland, forests and wildlife openings, grass pastures, and non-crop areas.
Application Apply 1 to 8 qts. per acre of Triclopyr 4E Select
Pet safe Yes, if used as instructed.
NY, VT (Restricted To Licensed Applicators Only)
Dimensions 7.00 x 4.00 x 12.00
Coverage Area 2 pounds acid equivalent per acre annually to sites used for grazing or harvesting hay. 8 pounds acid equivalent per acre annually to all other use sites listed on its label.
Special Features Easily absorbed through roots and foliage and controls woody brush plants and broad leaf weeds.
Shipping Weight 9.00 lbs
Manufacturer Prime Source (Mfg. Number: 51201AL0041)
EPA Registration 89442-51



Harmful if swallowed. Causes moderate eye irritation. Avoid contact with eyes or clothing. Prolonged or frequently repeated skin contact may cause allergic reactions in some individuals. Wash thoroughly with soap and water after handling and before eating, drinking, chewing gum, using tobacco, or using the toilet.


This pesticide is toxic to fish. Do not apply directly to water, to areas where surface water is present, or to intertidal areas below the mean high water mark. Do not contaminate water when disposing of equipment washwaters or rinsate. This chemical has properties and characteristics associated with chemicals detected in groundwater. The use of this chemical in areas where soils are permeable, particularly where the water table is shallow, may result in groundwater contamination.


Combustible. Do not use or store near heat or open flame. Do not cut or weld container.

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