Corsair - Riverdale<BR>Chlorsulfuron 75% <BR>Used primarily for spot control of clumpy tall fescue in bermuda, zoysia, centipede, St. Augustine, Ky. Bluegrass – works slowly <BR>Avoid transition applications on centipede, zoysia, St. Augustine <BR>Repeat application in 60 d <BR>Add NIS at ¼ to 1/3 fl. oz./gallon of spray mix<BR>