Prime Source Quinclorac 75 DF Select Herbicide can be used on established bermudagrass, annual bluegrass, Kentucky bluegrass, buffalograss, tall Fescue, annual ryegreass, perennial ryegrass, and zoysiagrass.
No, Prime Source Quinclorac 75 DF Select Herbicide cannot be used on St. Augustine grass.
Prime Source Quinclorac 75 DF Select Herbicide should not be applied to centipedegrass per the product label.
Prime Source Quinclorac 75 DF Select Herbicide is not labeled to be used on these types of grasses as it is only for commercial and residential turfgrasses, not pastures/hay fields where these grasses are more found
According to the label for Prime Source Quinclorac 75 DF Select Herbicide, you want to use 0.162 - 0.367 oz. per 1000 square feet per gallon of water. You do not mow two days before or after treatment.