Alligare Diquat Herbicide
Alligare Diquat Herbicide
Alligare Diquat Herbicide, manufactured by Alligare, is a effective post-emergent herbicide used to control weeds on both dry land and aquatic sites.
The active ingredient Diquat Dibromide 37.3%, can control submerged growing weeds, subsurface growing weeds, and weeds growing on the bottom of bodies of water. Diquat Herbicide can also be used to control for weeds on land such as pastures and along fence lines.
Alligare Diquat Herbicide is a highly active aquatic and land herbicide that controls a broad-spectrum of weeds at rates as low as 0.75 fl. oz. per 1,000 sq. ft., making it an economical product.
Tools Needed
To use Alligare Diquat Herbicide, you will need a handheld pump sprayer, backpack sprayer or skid sprayer. We suggest a sprayer with an adjustable tip nozzle to make effective applications.
How to Use
- Step 1: Determine how much Alligare Diquat Herbicide to use by measuring the square footage of the treatment area. To do this, measure the length and width of the treatment area in feet then multiply (length X width = square footage) to get the total square footage to be treated for land. For aquatic applications, you will need to calculate the surface area by measuring the length, width, and volume of your pond or water body then multiplying them together (length X width X depth = surface area). For broadcast applications to ponds, we recommend using 1 to 2 pints of Alligare Diquat Herbicide per 15 gallons of water per acre. For small land applications, you can use 0.75 fl. oz. of product per gallon of water to cover 1,000 sq. ft. For example, if you were treating your 2,000 sq. ft. residential landscape, you will need 1.50 fl. oz. of Diquat mixed in 2 gallons of water.
- Step 2: For pump sprayer or backpack sprayer applications, add 1/3 to 1/4 of the water to the spray tank first, then add the correct amount of Alligare Diquat Herbicide. When applying Alligare Diquat Herbicide always mix with an approved surfactant (such as Alligare 90) per the label instructions. Add the rest of the water to the sprayer and mix well.
- Step 3: On a fan spray nozzle setting, apply the Alligare Diquat Herbicide mixture to the target areas until they are completely wet but making sure not to spray to the point of runoff. Additional applications may be needed if treating densely packed weeds or mats. Within 2 weeks make another application if needed.
Where to Use
Alligare Diquat Herbicide can be used on land or in various aquatic areas.
On land it can be applied on noncrop or nonplanted areas on farms, commercial greenhouses and nurseries, dormant established turfgrass (bermudagrass, zoysiagrass – nonfood or feed crop), landscape, industrial, recreational, commercial, residential, and public areas, ornamental seed crops (flowers, bulbs, etc. – excluding the state of California), and turf renovation (all turf areas except commercial sod farms).
Approved aquatic areas are ponds, lakes, reservoirs, marshes, bayous, drainage ditches, canals, streams, rivers, and other slow-moving or quiescent bodies of water.
When to Use
Apply Alligare Diquat Herbicide when weeds are actively growing. This is typically when water temperatures are about 50°F or more, (this occurs usually in the Spring or early Summer). Spray on a day when it is not windy to reduce the chances of drift. It is ideal to use before weeds reach 6 inches in height. Use higher rates when weeds are large and dense.
Safety Information
Alligare Diquat Herbicide is safe to use around pets and children when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when mixing and applying this product.
Do not allow people or pets to enter treated areas until 24 hours have passed after application.
Special Considerations
Before applying Alligare Diquat Herbicide contact Fish and Game Agencies, State Water Conservation authorities or the Department of Natural Resources and be sure to have all of the necessary approval or permits.
Availability | Online |
Restricted Use | No |
Shipping Restrictions | 1 Gallon: AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA 2.5 Gallon: AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA 32 Ounce: AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA |
Brand | ALLIGARE |
Keith's Pro Tips | "Alligare Diquat Herbicide is a non-selective herbicide and will kill most vegetation types it comes in contact with. To protect desired vegetation, do not make applications during windy weather and adjust the spray nozzle for a stream spray for a more concentrated application." |
Product Drawbacks | Alligare Diquat Dibromide cannot be directly applied or just poured into bodies of water to apply treatments and requires strict application directions. For easier water applications to control water weeds we suggest using Fluridone RTU or Vision Pond Dye |
Target Pests | Alligare Diquat Dibromide Aquatic Herbicide controls and kills the following weeds found in and around bodies of water: bladderwort, hydrilla, watermilfoils, pondweeds, coontail, elodea, Brazilian elodea, naiad, algae, water lettuce, water hyacinth, duckweed, salvinia, pennywort, frog's bit, cattails, and more. Alligare Diquat Dibromide Aquatic Herbicide controls and kills the following land weeds: little barley, annual bluegrass, rescue grass, sixweeds fescue, henbit, buttercup, and Carolina geranium, and more. |
Application Equipment | Backpack Sprayer, Gloves, Hose End Sprayer, Pump Sprayer, Spray Rig |
Application Methods | Broadcast Spray, Crack & Crevice, Spot Treatment |
Active Ingredient | Diquat Dibromide 37.3% |
Product Type | Herbicide |
Formulation | Emulsifiable Concentrate (EC) |
Application Rate | For broadcast applications to ponds, we recommend using 1 to 2 pints of Alligare Diquat Herbicide per 15 gallons of water per acre. For small land applications, you can use 0.75 fl. oz. of product per gallon of water to cover 1,000 sq. ft. |
Shelf Life | Alligare Diquat Herbicide will last 3 years when stored according the product label. Store Alligare Diquat Dibromide Aquatic Herbicide in a cool, dry storage area in its original container. |
Yield | Each gallon of Alligare Diquat Herbicide will treat up to 1 acre of surface area for a body of water. For land applications, each gallon of Alligare Diquat Herbicide will treat 2-3 acres. |
Use Sites | Outdoors |
Time to Kill | Alligare Diquat Herbicide absorbs into the areas on the weed that is sprayed. Within a couple of days weeds begin to die. |
Comparable Products | Reward Herbicide, Aqua Pro, Rodeo Aquatic Herbicide |
Incompatible Home Siding | Brick, Hardie Plank, Stone Veneer, Wood, Vinyl |
EPA Registration # | 81927-35 |
Alligare 90 Non-Ionic Surfactant works great in 24 hours or less... Good value since the mixture rates are 1/2 oz per gallon...
Restricted Use | No |
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Shipping Restrictions | AK, CA, CT, HI, IN, MI, NY, OR, RI, SC, VT, WA |
Availability | Online |
Signal Word | CAUTION |
Keith's Pro Tip | "Alligare Diquat Herbicide is a non-selective herbicide and will kill most vegetation types it comes in contact with. To protect desired vegetation, do not make applications during windy weather and adjust the spray nozzle for a stream spray for a more concentrated application." |
Target Pests Multi | Annual Bluegrass, Brome, Buttercup, Carolina Geranium, Cattail, Henbit, Little Barley, Pennywort, Rescuegrass, Six Weeks Fescue, Algae, Bladderwort, Brazilian Elodea, Coontail, Duckweed, Elodea, Frogs Bit, Hydrilla, Naiad, Pondweed, Salvinia, Water Hyacinth, Water Lettuce, Watermilfoils |
Time to Kill | Alligare Diquat Herbicide absorbs into the areas on the weed that is sprayed. Within a couple of days weeds begin to die. |
Chemical Type | Herbicide |
Formulation | Emulsifiable Concentrate (EC) |
Application Methods | Broadcast Spray, Crack & Crevice, Spot Treatment |
Product Drawbacks | Alligare Diquat Dibromide cannot be directly applied or just poured into bodies of water to apply treatments and requires strict application directions. For easier water applications to control water weeds we suggest using Fluridone RTU or Vision Pond Dye |
Active Ingredient | Diquat Dibromide 37.3% |
Application Equipment | Backpack Sprayer, Gloves, Hose End Sprayer, Pump Sprayer, Spray Rig |
Mix Rate | For broadcast applications to ponds, we recommend using 1 to 2 pints of Alligare Diquat Herbicide per 15 gallons of water per acre. For small land applications, you can use 0.75 fl. oz. of product per gallon of water to cover 1,000 sq. ft. |
Low Use Rate | 0.36 oz./1,000 sq. ft. |
High Use Rate | 5.82 oz./1,000 sq. ft. |
Use Sites | Outdoors |
Yield | Each gallon of Alligare Diquat Herbicide will treat up to 1 acre of surface area for a body of water. For land applications, each gallon of Alligare Diquat Herbicide will treat 2-3 acres. |
EPA Registration No. | 81927-35 |
Shelf Life | Alligare Diquat Herbicide will last 3 years when stored according the product label. Store Alligare Diquat Dibromide Aquatic Herbicide in a cool, dry storage area in its original container. |
Comparable Products | Reward Herbicide, Aqua Pro, Rodeo Aquatic Herbicide |
Children or pets? | Yes |
Property Characteristics | None |
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Q:How soon after application can a treated area be sodded or planted in?4/2/24A:A week should be fine. This is a quick burn product with very little residual activity.
Amanda
4/2/24 -
Q:Can I use this in Maryland? I have tall fescue grass/fescue grass. Will it kill Canada thistle, dandelions, ragweed?3/6/24A:Alligare Diquat Herbicide can be used in maryland. However, it will control canada thistle, dandelions, or ragweed and cannot be used in tall fescue. It can be used in established dormant sixweeks fescue.
Amanda
3/6/24 -
Q:How does it work on Hydrilla?10/22/23A:It works well on hydrilla.
Richard Hawkins
10/23/23Certified Buyer -
Q:I have an area of approximately 80x40 average 4 feet deep. Have milfoil, hydrilla, and coontail. what is proper mixing rate for this area?9/7/23A:For aquatic applications, you will need to calculate the surface area by measuring the length, width, and volume of your pond or water body then multiplying them together (length X width X depth = surface area). To treat these weeds, apply 0.5-2.0 gallons of Alligare Diquat Herbicide per surface acre (per 4-foot water depth).
Amanda Chavez
9/7/23Certified Buyer -
Q:Is Diquat and Vision Pond safe for a pond with fish, and where pets wade/swim, and occasionally drink from it? If safe around pets, how long after application in my pond would it be safe for my dogs?6/24/23A:Those questions are all answered on every pesticide label ( and Solutions offers a link to the label on every sales page). If you cant understand the label, you should not apply, or should hire a professional applicator.
larry cofer
6/24/23Certified Buyer -
Q:Will this product kill bass ?5/28/23A:If you are referring to bass weed, then Alligare Diquat Herbicide is labeled to control Pondweeds, which is another name for it.
Amanda Chavez
5/30/23Certified Buyer -
Q:Is this safe for St augustine?3/27/23A:Alligare Diquat Herbicide is not labeled for St augustine.
Amanda Chavez
3/27/23Certified Buyer -
Q:Can Diquat freeze?11/6/22A:We've had ours several years, I'm sure it has frozen before. Still works!
Paradise Garden Foundation
11/9/22Certified Buyer -
Q:Is the surfactant nessasary if I'm going to use it for submerged hydrilla? Drop hose application.7/4/22A:I have found it to be very effective without the surfactant. You can always add a few drop of dawn dishwashing liquid to act as your surfactant.
Dracie Claus
7/4/22Certified Buyer -
Q:My pond is completely covered by water hyacinth, is seems to be all dead because of the cold season. will this product clear it all away?2/16/22A:Diquat is approved for water hyacinth control, but be sure to follow label directions carefully, or hire a professional pond company to apply it for best results. Best to wait until spring when the new plants green up to apply
larry cofer
2/16/22Certified Buyer