Cell division and growth stop within hours. Highly recommended to use Microyl Crop Oil Replacement with this product to increase effectiveness. Works quickly - even faster in warmer temperatures Post-emergent control of cool-season grasses in warm-season turf Goosegrass control and Dallis grass suppression Different mode of action for resistance management Labeled for use on listed Bermudagrass greens Easy mixing and application Low rates, cost-effective Apply as early as 7 days prior to overseeding Weeds controlled (but not limited to) include: Bentgrass Centipede Grass (suppression) Dallisgrass (suppression) Goosegrass Kentucky Bluegrass Poa annua (Annual Bluegrass) Poa trivialis (Roughstalk Bluegrass) Ryegrass Tall Fescue.