TABLE 4. MEAN TURFGRASS QUALITY RATINGS OF ST. AUGUSTINEGRASS CULTIVARS FOR EACH YEAR IN THE U.S. 1/ 1997-2000 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF 2/ NAME 1997 1998 1999 2000 MEAN 6-89-70 5.5 5.5 5.1 5.0 5.4 DELMAR 5.2 5.4 5.2 5.5 5.3 RALEIGH 5.4 5.2 5.1 5.0 5.2 FLORATAM 5.1 4.9 5.3 5.4 5.2 6-89-175 5.2 5.3 4.4 4.2 4.9 6-89-196 4.5 4.7 3.2 3.4 4.2 6-89-194 4.6 4.4 3.0 3.5 4.1 6-89-174 4.3 4.0 3.5 3.7 4.0 LSD VALUE 13.7 11.5 18.4 16.7 21.6 C.V. (%) 0.4 0.4 0.5 0.5 0.3 1/ TO DETERMINE STATISTICAL DIFFERENCES AMONG ENTRIES, SUBTRACT ONE ENTRY'S MEAN FROM ANOTHER ENTRY'S MEAN. STATISTICAL DIFFERENCES OCCUR WHEN THIS VALUE IS LARGER THAN THE CORRESPONDING LSD VALUE (LSD 0.05). 2/ C.V. (COEFFICIENT OF VARIATION) INDICATES THE PERCENT VARIATION OF THE MEAN IN EACH COLUMN.