AI: 24.5% Fluazifop-P-butyl. A selective post-emergent herbicide, Fusilade II controls a long list of both perennial and annual grass weeds in a variety of turf and landscape areas. Extremely fast and effective, Fusilade II can be applied over-the-top or as a directed spray without damaging valuable ornamental plantings. It can also be used at reduced rates to safely remove bermudagrass from tall fescue and zoysia grass.