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2,4-D Herbicides

Aquatic 2,4-D Herbicides for Lakes and Ponds

2,4-D is a herbicide that is widely used as a household weed-killer, agricultural herbicide, and aquatic herbicide. It has been in use since 1946. The active ingredient is 2,4-dichloro-phenoxyacetic acid. There are two types of 2,4-D used as aquatic herbicides: dimethyl amine salt and butoxyethyl ester. Both liquid and slow-release granular formulations are available.

Aquatic Use and Considerations

2,4-D is a widely-used herbicide that affects plant cell growth and division. It affects primarily broad-leaf plants. When the treatment occurs, the 2,4-D is absorbed into the plant and moved to the roots, stems, and leaves. Plants begin to die in a few days to a week following treatment, but can take several weeks to decompose. Treatments should be made when plants are growing. 

For many years, 2,4-D has been used primarily in small-scale spot treatments. Recently, some studies have found that 2,4-D moves quickly through the water and mixes throughout the waterbody, regardless of where it is applied. Accordingly, 2,4-D has been used for whole-lake treatments. 

2,4-D is effective at treating the invasive Eurasian watermilfoil (Myriophyllum spicatum). Desirable native species that may be affected include native milfoils, coontail (Ceratophyllum demersum), naiads (Najas spp.), elodea (Elodea canadensis) and duckweeds (Lemna spp.). Lilies (Nymphaea spp. and Nuphar spp.) and bladderworts (Utricularia spp.) also can be affected.

Shoreline Knowledge Base Biology and Control of Aquatic Plants

Biology and Control of Aquatic Plants  
2,4-D Chemical Fact Sheet

Note: Products may not be registered for use in your state or locale. Check to be sure a specific use pattern is approved in your area before use. Check product labeling or your local state agency for more information. Most current product labels are available by visiting the product manufacturers website or at https://www.cdms.net

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Amine 2,4-D Herbicide, Loveland Products

Amine 2,4-D Herbicide for selective broadleaf weed control. Amine 2,4-D Amine Herbicide acts as a selective herbicide on post-emergent broad-leaf weeds.

Active Ingredients: Dimethylamine salt of 2,4-D 46.5%

EPA Signal Word - DANGER / PELIGRO

From $70.95

DMA 4 IVM Herbicide, DOW AgroSciences

DMA 4 IVM Herbicide for selective control of many broadleaf weeds in forests, grass pastures, rangeland, Conservation Reserve Program acres, ornamental turfgrass (including turfgrass grown for sod or seed), non-cropland and aquatic areas. Also for control of trees by injection.

Active Ingredient: 2,4-D 46.3%

EPA Signal Word - DANGER / PELIGRO

From $74.95

Navigate Granular Aquatic Herbicide, Applied Biochemists

Navigate Granular Aquatic Herbicide is a selective herbicide formulated to control water milfoil, water stargrass, bladderwort, white and yellow water lily, water shield, water chestnut and coontail.

Active Ingredient: 2,4-D 27.6%

EPA Signal Word - CAUTION / PRECAUCION

From $220.95

Renovate Max G Granular Aquatic Herbicide, SePRO

Renovate Max G (granular) Aquatic Herbicide, technology and innovation for selective and systemic control of broadleaf aquatic weeds. A first for aquatic plant managers, SePRO has developed and formulated the first combination herbicide registered in aquatics with proven synergy in one powerful formulation (patent pending).

Active Ingredient: Triclopyr 4.0% 2,4-D 14.0%

EPA Signal Word - WARNING / AVISO

From $187.95

Sculpin G Aquatic Herbicide, SePRO

Sculpin G Aquatic Herbicide is a formulation technology breakthrough for selective systemic control of broadleaf aquatic weeds. Unique in the aquatic plant management industry, Sculpin G is a dimethylamine salt formulation of 2,4-d formulated on a patented granule technology.

Active Ingredient: 2,4-D 20.0%

EPA Signal Word - WARNING / AVISO

From $230.95

Weedar 64 Herbicide, Nufarm

Weedar 64 Herbicide is a non-volatile, premium DMA-4 formulation that is sequestered to 1,500-ppm water hardness. This “workhorse” of 2,4-D amines is registered for small grains, corn, sorghum, rice, sugarcane, irrigation ditches, pastures/rangeland, non-cropland, tree injection, lakes-water hyacinth, and tree fruit / nut crops.

Active Ingredient: 2,4-D 46.8%

EPA Signal Word - DANGER / PELIGRO

From $37.95