Dithiopyr L Specialty Herbicide

Dithiopyr L Specialty Herbicide

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Product Overview

Dithiopyr L Specialty Herbicide is both a pre-emergent and an early post-emergent herbicide that targets crabgrass and provides pre-emergent control of broadleaf weeds and annual grasses. Contains dithiopyr as its active ingredient which is highly effective in inhibiting the growth of unwanted weeds. It is ideal to use on landscape ornamentals, ornamental turf, established lawns, non-cropland and industrial sites, and commercial sod farms. This professional pyridine-based herbicide is safe to use with water. Simply add 3/4 water on a clean spray tank with a specified amount of the product and immediately remove the hose from the mixing tank. Spray the target area to prevent unwanted grass and weeds such as crabgrass, ryegrass, dandelion, chickweed, and sowthistle. Comes in a 128-oz. jug.

Features and Specs

Active Ingredient Dithiopyr - 22 %
Target pests Barley, barnyard grass, bluegrass, brome, crabgrass, crowfoot grass, dallisgrass, foxtail, goosegrass, kikuyugrass, Mary’s grass, oats, ryegrass, sandbur, smut grass, bittercress, carpetweed, chickweed, dandelion, sowthistle, willowherb, woodsorrel.
For use in Established lawns, commercial sod farms, non-cropland, and industrial sites, ornamental turf, landscape ornamentals.
Application Apply Quali-Pro Dithiopyr L at the listed rate as noted. Rates used are dependent on the user’s location, the mowing height of the turfgrass, and whether, at the time of application, the use is considered to be pre-emergence or early post-emergence.
Pet safe Yes, if used as directed on label.
Formulation Professional Product.
NOT FOR SALE TO AK
Special Features Pre-emergent and early post-emergent control of crabgrass.
Shipping Weight 8.75 lbs
Manufacturer Quali-Pro (Mfg. Number: 83014006)
UPC 072693400689
EPA Registration 53883-399

Details

DIRECTIONS FOR USE

IT IS A VIOLATION OF FEDERAL LAW TO USE THIS PRODUCT IN A MANNER INCONSISTENT WITH ITS LABELING. READ ENTIRE LABEL BEFORE USING THIS PRODUCT. USE STRICTLY IN ACCORDANCE WITH LABEL PRECAUTIONARY STATEMENTS AND DIRECTIONS. REFORMULATION OR REPACKAGING OF THIS PRODUCT IS PROHIBITED.

Do not apply Quali-Pro Dithiopyr L in a way that will contact workers or other persons, either directly or through drift. Only protected handlers may be in the area during application. For any requirements specific to your State or Tribe, consult the Agency responsible for pesticide regulation.

Chemigation: DO NOT apply this product through any type of irrigation system.

Use Precautions:

  • Do not apply sprays containing glyphosate over the top of ornamental plants.
  • Do not allow glyphosate to come in contact with foliage and stems of turf grasses, trees, shrubs, or other desirable vegetation since severe damage or death may result.
  • In areas adjacent to desirable plants, use a shield to prevent spray from contacting foliage and stems of desirable plants.
  • The use of a non-ionic surfactant may improve control. Read and follow the surfactant manufacturer’s label recommendations.
  • Conduct a compatibility test (jar test) using comparative proportions of the tank mix ingredients prior to mixing ingredients in the spray tank. See the Compatibility Test Mixing Instructions section of this label.

GRASS AND BROADLEAF WEEDS CONTROLLED

Grasses

  • Barley
  • barnyard grass
  • bluegrass
  • brome
  • crabgrass
  • crowfoot grass
  • dallisgrass
  • foxtail
  • goosegrass
  • kikuyugrass
  • Mary’s grass
  • oats
  • ryegrass
  • sandbur
  • smut grass

Broadleaf Weeds

  • bittercress
  • carpetweed 
  • chickweed 
  • dandelion 
  • geranium, Carolina
  • henbit
  • knotweed, prostrate
  • lespedeza, common 
  • Marestail
  • medic, black 
  • mulberry weed
  • mustard
  • oxalis, buttercup
  • parsley-piert 
  • pigweed, redroot 
  • pineapple weed
  • purslane, common
  • rocket, London
  • shepherds purse
  • sowthistle
  • speedwell, corn 
  • spurge, garden 
  • spurge, prostrate 
  • spurge, spotted 
  • willowherb
  • woodsorrel, creeping
  • woodsorrel, yellow

Use Restrictions:

  • Do not apply this product to the golf course putting greens.
  • Do not apply this product within 3 months of harvesting sod.
  • Do not apply this product to the turfgrass has recovered from cultural practices such as verticutting or core-, spike-, or hydro-aerification.
  • Do not use clippings from treated turf for mulching around vegetables or fruit trees.
  • Do not apply more than 0.73 oz of Quali-Pro Dithiopyr L per 1,000 sq ft (2 pints per acre) per application.
  • Do not apply more than 2.2 oz of Quali-Pro Dithiopyr L per 1,000 sq ft (6 pints per acre) per year using split or sequential applications.
  • In New York State, this product may only be used by commercial applicants at no more than 2 pints (0.5 Lb active ingredient) per acre per year except in Nassau and Suffolk counties of New York.
  • In Nassau and Suffolk counties of New York, do not exceed 1-pint per (0.25 Lb active Ingredient) per acre per year.

Timing of Applications

For crabgrass control in the spring, summer, or fall, apply this product as a single application, a split application, or a sequential application.

Plan A:

  • For preemergence control in turfgrass that is cut relatively high (e.g., residential lawns).
  • Provides 3 to 5 months of preemergence crabgrass control and early postemergence control of crabgrass up to the 3-leaf stage at sites where turfgrass is cut relatively high.
  • Make split applications with the rates in the Use Rates table being split across two applications made 5 to 10 weeks apart. Split applications may provide improved weed control.

Plan B:

  • For preemergence control in turf: (a) when turfgrass is cut relatively low (e.g., golf fairways); and (b) when turfgrass maintenance or weed control has been conducted during the previous year.
  • Provides 4 to 6 months of preemergence crabgrass control and for early postemergence control up to crabgrass tillering at sites where turfgrass is cut relatively high.
  • Make split applications with the rates in the Use Rates table being split across two applications made 5 to 10 weeks apart. Split applications may provide improved weed control.

Plan C:

  • Provides 4 to 6 months of preemergence crabgrass control and for early postemergence control up to crabgrass tillering at sites where turfgrass is cut relatively low (e.g., golf fairways).
  • For longer periods of control, make subsequent sequential pre and/or postemergence applications.
  • Make split applications with the rates in the Use Rates table being split across two applications made 5 to 10 weeks apart. Split applications may provide improved weed control.

* See attached label for the Use Rate table.

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