HERBICIDES

Agrisel® Diquat

Landscape & Aquatic Weed Killer

Fast-acting aquatic and landscape herbicide kills weeds & grasses. Excellent control of broadleaf and grassy weeds in aquatic ponds, lakes, and waterways. Labeled for use in greenhouses, nurseries, landscapes and more.

ACTIVE

37.3% Diquat Dibromide

AVAILABLE SIZES

  • 12 x 1 qt
  • 4 x 1 gal
  • 2 x 2.5 gal

BENEFITS

  • Provides excellent aquatic and non-crop weed control killing most submerged aquatic weeds.
  • EPA labeled for most landscape, nursery ornamental, aquatic and non-crop uses.
  • Works quickly with visible weed control in 1-2 days.
  • Low use rate makes Diquat economical to use.

DOWNLOADABLE INFORMATION

What is Agrisel Diquat?

Agrisel Diquat is a fast-acting contact herbicide made in the USA by Agrisel USA, containing 37.3% Diquat Dibromide. It provides rapid burndown control of aquatic weeds, broadleaf weeds, and grassy weeds in both aquatic and terrestrial settings. Diquat works by disrupting the photosynthesis process in plant cells, causing rapid browning and death of treated vegetation typically within days of application, making it one of the fastest acting herbicides available.

What Agrisel Diquat controls

Agrisel Diquat provides fast contact control of a wide range of aquatic and terrestrial weeds including:

  • Duckweed and watermeal
  • Hydrilla and coontail
  • Pondweed species
  • Elodea and naiad
  • Broadleaf terrestrial weeds
  • Annual grassy weeds
  • Algae and aquatic vegetation
  • Many other listed aquatic and terrestrial species

Where to use Agrisel Diquat?

Agrisel Diquat is EPA labeled for use in and around:

  • Ponds and lakes
  • Rivers and streams
  • Drainage ditches and canals
  • Irrigation ditches
  • Greenhouses and nurseries
  • Landscapes and ornamental areas
  • Non-crop industrial areas
  • Around buildings and structures

Important note: Always follow all label directions and applicable state and local regulations regarding aquatic herbicide applications in your area. Water use restrictions may apply after treatment depending on the intended use of the water body. Do not apply directly to open water except as directed on the label.

How to use Agrisel Diquat

Apply Agrisel Diquat using properly calibrated spray equipment to actively growing vegetation. For aquatic use apply according to label directions for your specific target weed and water body type. For terrestrial use apply as a uniform broadcast or spot spray to the point of runoff.

 

Application ParameterRate
Aquatic weed controlPer label directions for target species
Terrestrial weed controlPer label directions for target species
Available sizesQuart, gallon, 2.5 gallon
Re-entry intervalAfter spray has dried

 

Frequently asked questions

What sizes does Agrisel Diquat come in?2026-06-05T01:57:54+00:00

Agrisel Diquat is available in quarts, gallons, and 2.5 gallon containers, making it suitable for both smaller landscape and nursery applications and larger scale aquatic weed management projects. Its liquid formulation mixes easily and can be applied with standard spray equipment.

Can Agrisel Diquat be used in fish ponds and lakes?2026-06-05T01:57:39+00:00

Yes, Agrisel Diquat is EPA labeled for aquatic use in ponds, lakes, rivers, and similar water bodies. Always follow all label directions and applicable state and local regulations regarding aquatic herbicide use in your area. Water use restrictions may apply after treatment depending on the intended use of the water body.

What weeds does Agrisel Diquat control?2026-06-05T01:57:25+00:00

Agrisel Diquat controls a wide range of aquatic and terrestrial weeds including duckweed, watermeal, hydrilla, coontail, pondweed, and many submerged aquatic species, as well as broadleaf and grassy weeds in landscapes, nurseries, and greenhouse settings.

What is the active ingredient in Agrisel Diquat?2026-06-05T01:57:09+00:00

The active ingredient is 37.3% Diquat Dibromide, a contact herbicide that works by disrupting the photosynthesis process in plant cells. Visible browning and death of treated vegetation typically occurs within days of application, making it one of the faster acting herbicides available.

What is Agrisel Diquat used for?2026-06-05T01:56:54+00:00

Agrisel Diquat is a fast-acting aquatic and landscape herbicide used to control broadleaf and grassy weeds in aquatic ponds, lakes, waterways, greenhouses, nurseries, and landscapes. It is particularly effective for controlling submerged and floating aquatic weeds as well as terrestrial weeds in non-crop areas.

Need Agrisel Diquat?

Contact us below for pricing and availability on Agrisel Diquat. Our team will get back to you promptly.

    2026-07-22T23:47:10+00:00
    Go to Top