TABLE 19B. LEAF SPOT RATINGS OF SLENDER CREEPING RED FESCUE CULTIVARS 1/ AT ORONO, ME 1997 DATA LEAF SPOT RATINGS 1-9; 9=NO DISEASE 2/ NAME JUNE JULY AUGUST SEPTEMBER MEAN SEABREEZE 4.7 4.7 5.3 7.7 5.6 DAWSON 5.3 4.0 4.7 5.0 4.8 LSD VALUE 1.4 2.9 2.9 1.4 0.7 C.V. (%) 8.2 18.8 16.3 6.4 4.0 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.