Quinclorac 1.5 L

Quinclorac 1.5 L, manufactured by Quali-Pro, is a selective post-emergent herbicide. This means it targets specific weeds while sparing desirable grass that may surround the offending weed when applied.

Aside from targeting crabgrass primarily, the weeds that Quinclorac kills include dandelion and clover, which may come up in areas where grass is stressed. Compared to a dry flowable formulation, the new liquid formulation offers superior results and is highly recommended by our staff.

Tools Needed

A handheld pump sprayer, a backpack sprayer, or a skid sprayer is needed.

How to Use

• Step 1: Determine how much Quinclorac 1.5 L 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 them together (length X width = square footage). For spot or broadcast applications, Quinclorac 1.5 L can be applied at a rate of 1.45 fl. oz. per 1,000 square feet in a gallon of water. So, for example, if you calculated a treatment area of 2,500 sq. ft., you would need to mix 3.625 fl. oz. of Quinclorac 1.5 L in 2.5 gallons of water.
• Step 2: Add three-fourths of the amount of water needed to the spray tank using a pump sprayer or backpack sprayer. Based on your calculations, add the appropriate amount of Quinclorac 1.5 L, and then fill with the remaining one-fourth of the water. Close the lid and shake your sprayer to ensure the product is well-mixed. You are now ready to spray. Make 2 sequential applications of 1.0 fl. oz. of product per 1,000 sq. ft. and an additional sequential application up to 0.90 fl. oz. of product per 1,000 sq. ft. at 14- to 21-day intervals.
• Step 3: Spray along the areas where you have crabgrass, dandelion, or other offending weeds. Use a fan spray nozzle to obtain uniform coverage.
• Step 4: About 2 to 7 days later, irrigate the treated plant area so the water filters down into the soil and is picked up by the broadleaf plants you are trying to get rid of.

Where to Use

Quinclorac 1.5 L treats and controls various other grasses and broadleaf weeds in residential lawns, commercial establishments, golf courses, military and other institutions, parks, athletic fields, and many others.

When to Use

This product can be applied when targeted weeds in labeled approved areas have already started to grow, as the product must come in contact with the weeds to kill it.

Safety Information

Quinclorac 1.5 L is safe to use around children and pets when applied according to the product label instructions. Always wear the proper personal protective equipment (PPE) when making applications or mixing this product.

Do not allow people or pets to enter treated areas until the sprays are completely dry.

Special Considerations

The use of methylated seed oil is recommended to enhance the effectiveness of the product greatly.