Prodiamine 65WDG Herbicide Effectively controls Annual Bluegrass. Non-Staining. Excellent tank mix partner with fertilizers and iron solutions. Low solubility and volatility - stays in the weed germination zone. Active ingredient rate as low as 1/4 the rate of other pre-emergent herbicides.
Prodiamine 65 WDG controls susceptible weeds by preventing growth and development of newly germinated weed seeds. Weed control is most effective when Prodiamine 65 WDG is activated by at least 0.5 inch of rainfall or irrigation or shallow incorporation (1-2 inches) before weed seeds germinate and within 14 days following application
Approximate use rate: 0.5-2.3 pounds per acre (0.185-0.83 ounces per 1,000 square feet)