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Quintessential Herbicide is formulated with quinclorac, a Group 4 herbicide, to improve the performance in rainfast situations or drought stress. Efficiently controls crabgrass at all stages including the problematic mid-tiller stage of growth. Enhanced absorption by foliage and roots and transported throughout the plant. Stunted grasses exhibit chlorosis, gradual reddening, and necrosis followed by death. Can be applied post-emergence to residential and commercial establishments, parks, airports, roadsides, schools, and other sites listed on the label.
Product Documents
Active Ingredient | Dimethylamine Salt of Quinclorac - 18.92% |
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Target pests | Crabgrass, including the mid-tiller stage of growth. |
For use in | Grounds or Lawns, Golf Courses, Multi-family Dwellings, Military and other institutions, Roadsides, Schools, Cemeteries, and Sod Farms. |
Application | Apply it to actively growing weeds as post-emergence broadcast or spot sprays using the turf species, rate, and growth stages indicated in the label. |
Pet safe | Yes, if used as directed on the label. |
NOT FOR SALE TO |
AK, CA, DC, HI, MA, PR, UT, VA, WY AR (Restricted To Licensed Applicators Only) |
Dimensions | 4.00 x 6.00 x 9.00 inches. |
Special Features | Alters the formulation of quinclorac in a way that improves absorption of the product into the plant. |
Shipping Weight | 5.00 lbs |
Manufacturer | Prime Source (Mfg. Number: 51512PS1405) |
EPA Registration | 89442-57 |
Applicators and other handlers should:
Use this product only in accordance with its labeling and with the Worker Protection Standard, 40 CFR Part 170. This standard contains requirements for the protection of agricultural workers on farms, forests, nurseries, and greenhouses, and handlers of agricultural pesticides. It contains requirements for training, decontamination, notification, and emergency assistance. It also contains specific instructions and exceptions pertaining to the statements on this label about personal protective equipment (PPE) and restricted-entry interval. The requirements in this box only apply to uses of this product that are covered by the Worker Protection Standard.
DO NOT enter or allow worker entry into treated areas during the restricted-entry interval (REI) of 12 hours.
PPE required for early entry to treated areas that is permitted under the Worker Protection Standard and that involve contact with anything that has been treated, such as plants, soil, and water, is:
The requirements in this box apply to uses of this product that are NOT within the scope of the Worker Protection Standard for agricultural pesticides (40 CFR Part 170). The WPS applies when this product is used to produce agricultural plants on farms, nurseries, or greenhouses.
Fantastic product!
By J on 07/05/2023
Works Well!
By Tom on 08/09/2023
Spot treated crabgrass in my lawn and three days later the crabbrass is dead and rest of grass is untouched/undamaged. Have tried other products in the past which usually kill the grass along with the crabgrass, but this one is different. Definitely recommend.
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2 of 2 people found this review helpful
TORPEDOGRASS CONTROL
By Thomas on 10/15/2023
Works!
By Paul on 08/20/2024
Kills crabgrass, there’s several types of crabgrass, my yard had primarily two types; the thin leaf tall type and the broader leaf low to the ground, this stuff killed the second type, effectively. The first type, it made sick, but it didn’t die. I used three ounces per gallon in my two gallon pump sprayer, two days later, dead crabgrass. I can see my Bermuda still green inside the dead crabgrass area. I applied two days after mowing and waited at least twos before mowing, worked great.
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1 of 1 people found this review helpful
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Prime Source Quintessential Herbicide Rating: 4.8 (4 Reviews / 0 Q&A)