TABLE 31C. SPRING DEAD SPOT RATINGS OF BERMUDAGRASS (VEGETATIVE) CULTIVARS AT BLACKSBURG, VA 1/ 2001 DATA SPRING DEAD SPOT RATINGS 1-9; 9=NO DISEASE 2/ NAME 4/25 4/29 5/4 5/11 5/28 MEAN CARDINAL 3.0 3.7 4.7 6.0 8.0 5.1 OKC 19-9 3.0 3.3 4.7 6.0 7.3 4.9 MIDLAWN 3.0 3.7 4.0 5.3 7.7 4.7 PATRIOT (OKC 18-4) 3.0 3.0 3.7 5.0 7.0 4.3 TIFGREEN 2.3 3.0 3.7 4.7 7.0 4.1 SHANGHAI 1.7 2.7 3.7 4.0 6.7 3.7 CN 2-9 1.3 1.7 2.7 3.0 5.7 2.9 TIFWAY 1.0 1.7 2.7 3.3 6.0 2.9 MINI-VERDE 1.3 1.7 2.0 2.7 5.0 2.5 TIFSPORT (TIFT 94) 1.0 1.3 1.7 3.0 5.7 2.5 LSD VALUE 0.6 1.2 1.2 1.1 1.3 0.8 C.V. (%) 17.7 26.7 20.6 15.2 11.5 13.1 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.