Quali-Pro MSM Turf Herbicide 8oz Metsulfuron Methyl 60% Quali-Pro MSM Turf herbicide is intended for use on southern ornamental turf in lawns, parks, cemeteries, golf courses, and sod farms. Only use on Bluegrass, Bermudagrass, and St. Augustine grasses. Kentucky Bluegrass and Fine Fescue: Apply 0.25 to 0.5 oz of MSM Turf Herbicide per acre for control of the listed weeds. Do not exceed a total of 0.5 oz per acre within a 9-month period. St. Augustinegrass, Bermudagrass and Zoysiagrass (Meyers and Emerald): Apply 0.25 to 1.0 oz of MSM Turf Herbicide per acre for weed control. Some chlorosis or stunting of the turfgrass may occur following application. Bahiagrass Control: For the selective control of Bahiagrass in Bermudagrass