Meso 4 SC Select™ is a herbicide that can be used for both pre and post-emergence control of more than 45 broadleaf weeds and grasses in turfgrass. Classified as a group 27 herbicide, Meso 4 SC Select inhibits photosynthesis in susceptible plants and is absorbed systemically through leaves, roots and shoots. Can be effectively used for weed control prior to and when seeding of specific types of turfgrasses. Provides post-emergent control of tough-to-control weeds Weeds controlled include crabgrass (pre- and post-emergent), ground ivy, yellow foxtail, yellow nutsedge and dandelion Can be applied anytime you are seeding including overseeding of established turfgrass, bare ground seeding or during renovation LABELED USES Commercial and residential turfgrass Golf courses (except putting greens) Sod farms Athletic fields, parks Cemeteries Airports Lawns