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QUALI-PRO
Dithiopyr 40 WSB Pre Emergent Herbicide
Dithiopyr 40 WSB is a pre-emergent herbicide use to control annual grasses and broadleaf weeds in various areas. It is safe to apply to residential lawns and ornamental landscapes.
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Dithiopyr 40 WSB Product Page
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Dithiopyr 40 WSB Pre Emergent Herbicide is manufactured by Quali-Pro and used to prevent unsightly vegetation from growing on turfs and lawns. It uses the active ingredient Dithiopyr to control for common annual grasses and broadleaf weeds such as Crabgrass and Carpetweed.
Dithiopyr 40 WSB Pre Emergent Herbicide can be used on golf courses and residential properties to keep the turf looking healthy and beautiful. The herbicide comes in 5-ounce water-soluble packets and is compatible with various types of liquid fertilizers and pesticides for enhanced lawn care. For beautiful landscapes and ornamental lawns, apply Dithiopyr 40 WSB Pre Emergent Herbicide.
Tools Needed
To apply Dithiopyr 40 WSB, you will need a professional skid sprayer since Dithiopyr 40WSB is meant for large area treatments.
How to Use
- Step 1: Determine how much Dithiopyr WSB you need by first calculating the square footage of the treatment area. To do this, measure and multiply the lawn's length x width. Dithopyr WSB comes in water-soluble pouches. Dithiopyr is really only meant for large areas as 1 5 oz. packet mixed with water can treat 10,890 sq. ft.
- Step 2: Fill your sprayer halfway with water and then add the appropriate amount of Dithiopyr for your application to the spray tank. Fill the sprayer the rest of the way with the required amount of water and then agitate the sprayer to ensure the product is well-mixed.
- Step 3: Apply the product as a spot treatment to your lawn and make sure the nozzle is pointed as close down to the turf as you can to avoid drift and use a cone fan nozzle spray setting for uniform coverage. Apply to wet and make repeat applications 3 to 4 months apart for extended pre-emergent weed control.
Where to Use
Dithiopyr 40 WSB Pre Emergent Herbicide can be applied to established residential and commercial lawns, commercial sod farms, non-croplands, industrial properties, ornamental plants as well as landscape, field-grown and container materials. When applied to golf courses, Dithiopyr 40 can be applied to fairways, roughs, and tee boxes.
When to Use
Dithiopyr 40 WSB Pre Emergent Herbicide is only effective when applied before the germination of seeds. Apply Dithiopyr 40 WSB during the spring or early summer for Crabgrass control.
Safety Information
Dithiopyr 40 WSB Pre Emergent Herbicide is safe to use around children and pets when applied according to the product label. Allow treated areas to completely dry before re-entering. Always wear the proper personal protective equipment (PPE) before mixing or applying Dithiopyr 40 WSB Pre Emergent Herbicide.
Special Considerations
4 5-ounce water-soluble packets come in 1 bag of Dithiopyr 40 WSB Pre Emergent Herbicide. Dithiopyr 40 WSB Pre Emergent Herbicide will not kill targeted weeds after they have emerged from the ground, unless it is being applied to control Crabgrass before the stem begins to form.
| Restricted Use | No |
|---|---|
| Shipping Restrictions | AK, AL, AR, AZ, CA, CO, CT, DE, FL, GA, HI, ID, IL, IN, KY, LA, MA, MD, MI, MN, MO, MS, MT, NC, ND, NE, NJ, NM, NV, NY, OK, OR, PA, SC, SD, TX, VA, VT, WA, WI |
| Availability | Online |
| Signal Word | CAUTION |
| Keith's Pro Tip | "For maximum results when using Dithiopyr 40 WSB Pre Emergent Herbicide, make sure there are no existing weeds present because pre-emergent will not be able to control established weeds." |
| Time to Kill | Dithiopyr 40 WSB Pre Emergent Herbicide prevents the growth of weeds by killing the seeds. |
| Chemical Type | Herbicide |
| Formulation | Water-Soluble Powder |
| Application Methods | Broadcast Spray, Spot Treatment |
| Product Drawbacks | Dithopyr 40 WSB will not control weeds that have already emerged. If your target weed has already appeared, you will need to use a post-emergent herbicide. |
| Active Ingredient | Dithiopyr 40% |
| Application Equipment | Backpack Sprayer, Gloves, Pump Sprayer, Spray Rig |
| Mix Rate | A 5 oz. Water Soluble Packet of Dithiopyr 40WSB will treat 10,890 sq. ft in at least 25 gallons of water per acre or minimum of 1 gallon per 1,000 sq. ft. |
| Use Sites | Outdoors |
| Yield | 1 packet of Dithiopyr 40 WSB Pre Emergent Herbicide will treat up to 10,890 square feet, or 0.46 ounces per 1,000 square feet. |
| EPA Registration No. | 53883-374 |
| Shelf Life | Dithiopyr 40 WSB Pre Emergent Herbicide will last for up to 1 to 2 years when stored according to the product label. Store Dithiopyr in a cool, dry storage areas using the original container. |
| Comparable Products | Balan 2.5 G Pre Emergent Herbicide |
| Children or pets? | No |
| Property Characteristics | None |
| Availability | Online |
| Restricted Use | No |
| Brand | QUALI-PRO |
| Keith's Pro Tips | "For maximum results when using Dithiopyr 40 WSB Pre Emergent Herbicide, make sure there are no existing weeds present because pre-emergent will not be able to control established weeds." |
| Product Drawbacks | Dithopyr 40 WSB will not control weeds that have already emerged. If your target weed has already appeared, you will need to use a post-emergent herbicide. |
| Target Pests | Annual bluegrass, Barley, Barnyardgrass, Bittercress, Black Medic, Brome, Buttercup Oxalis, Carolina eranium, Carolina Geranium, Carpetweed, Chickweed, Common Lespedeza, Common Purslane, Corn Speedwell, Creeping Woodsorrel, Crowfootgrass, Dallisgrass, Garden Spurge, Giant Foxtail, Goosegrass, Green Foxtail, Henbit, Kikuyugrass, Large Crabgrass, London Rocket, Marestail, Mary's Grass, Mustard, Parsley-Piert, Pineappleweed, Prostrate Knotweed, Prostrate Kotweed, Prostrate Spurge, Purple Coneflower, Redroot Pigweed, Sandbur, Shepherdspruce, Smooth Crabgrass, Smutgrass, Southern Crabgrass, Spotted Spurge, Wild Oat Ryegras, Yellow Foxtail, and Yellow Sorrel. |
| Application Equipment | Backpack Sprayer, Gloves, Pump Sprayer, Spray Rig |
| Application Methods | Broadcast Spray, Spot Treatment |
| Active Ingredient | Dithiopyr 40% |
| Product Type | Herbicide |
| Formulation | Water-Soluble Powder |
| Application Rate | A 5 oz. Water Soluble Packet of Dithiopyr 40WSB will treat 10,890 sq. ft in at least 25 gallons of water per acre or minimum of 1 gallon per 1,000 sq. ft. |
| Shelf Life | Dithiopyr 40 WSB Pre Emergent Herbicide will last for up to 1 to 2 years when stored according to the product label. Store Dithiopyr in a cool, dry storage areas using the original container. |
| Yield | 1 packet of Dithiopyr 40 WSB Pre Emergent Herbicide will treat up to 10,890 square feet, or 0.46 ounces per 1,000 square feet. |
| Use Sites | Outdoors |
| Time to Kill | Dithiopyr 40 WSB Pre Emergent Herbicide prevents the growth of weeds by killing the seeds. |
| Comparable Products | Balan 2.5 G Pre Emergent Herbicide |
| Incompatible Home Siding | Metal |
| EPA Registration # | 53883-374 |
