Performance Information

Control & Residual
Revolver^® herbicide provides effective postemergent control of many unsightly cool-season grasses in bermudagrass and zoysiagrass. Providing transition assistance, Revolver also controls clumpy ryegrass, Poa annua, goosegrass, and other weeds in bermudagrass and zoysiagrass. Based on foramsulfuron, a new sulfonylurea active ingredient, Revolver offers a different mode of action that controls weeds resistant to herbicides with alternate modes of action.

Testimonials
John Gardner, CGCS, golf course superintendent at Bluegrass Yacht and Country Club, Hendersonville, Tenn., overseeds perennial ryegrass on bermudagrass fairways and aprons each fall to keep his transition-zone course consistently green in the winter. In the past, he let the ryegrass transition out naturally during June, July and August. Last year, Gardner tried Revolver herbicide, a postemergent sulfonylurea herbicide from Bayer Environmental Science, in his transition program. Revolver, which includes the Backed by Bayer™ assurance, helps speed transition by removing overseeded cool-season turf such as ryegrass from actively growing bermudagrass, zoysiagrass and other warm-season turf. Many newer cultivars of perennial ryegrass are more heat-tolerant, making natural transition more difficult. “We were skeptical at first,” Gardner explains. “But wet, cool springs and summers the previous couple of years kept a lot of the ryegrass from transitioning and the bermudagrass was struggling and thin.” Gardner reports that the ryegrass transition with Revolver took only five weeks instead of most of the summer when no chemical transition aid was used. “The quick transition meant we had two more months to push a thick, lush stand, which carried us later into the season.”

Shane Wright, golf course superintendent at BallenIsles Country Club, Palm Beach Gardens, Fla., overseeds his bermudagrass with a perennial ryegrass blend each fall to keep his course in top condition. Wright used Revolver to help remove the ryegrass from areas on his course that don’t naturally transition well. “My membership does not like to see brown, so I can’t just turn the water off to transition,” Wright says. “Revolver worked very well. Within eight or nine days, the ryegrass was gone, without harming the bermudagrass.”

Bert McCarty, a professor of turfgrass science at Clemson University, South Carolina, has seen a major difference between the bermudagrass on South Carolina courses where chemical transition aids were used and where they weren’t. “It’s a night-and-day difference,” McCarty notes. “If you don’t use something that enhances transition, you’ll end up with very weak bermudagrass by late June. With Revolver, you can choose when and how fast you want transition to occur,” McCarty explains. “Superintendents can adjust the rate applied and the date when they apply it to fit course needs."