Martins Triclopyr 4 is a herbicide used to control unwanted woody plants and annual and perennial broadleaf weeds. Can be used on forests, grass pastures, rangelands, non-crop areas including industrial manufacturing and storage sites, rights-of-way, railroads, fence rows, perennial bluegrass, perennial ryegrass and tall fescue ornamental turf (including sod farms, commercial turf and golf courses).