TABLE 9E. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT ST. CHARLES, MO (THE MISSOURI BLUFFS G.C.) 1/ 1998-2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES DOLLAR PERCENT STIMPMETER READINGS GENETIC SPRING LEAF SPOT ESTABLISHMENT SPRING SUMMER FALL QUALITY RATINGS NAME COLOR GREENUP TEXTURE 1999 FALL 1999 1998-99 1998-99 MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN PENN A-4 7.6 3.0 8.0 9.0 91.7 115.7 110.3 121.2 7.0 6.1 7.3 7.7 7.7 7.4 7.7 7.2 7.1 6.7 7.2 CENTURY 6.7 3.3 7.0 7.7 90.0 105.3 105.5 112.8 7.0 6.2 6.8 7.4 7.5 7.3 7.5 7.1 6.6 6.7 7.0 PENN A-1 7.8 3.0 8.0 9.0 78.3 117.3 112.2 117.2 6.7 5.8 7.0 6.9 7.5 7.3 7.8 7.3 6.9 6.0 7.0 PENN G-1 7.4 3.3 8.0 8.7 94.3 110.0 106.7 113.7 7.0 6.2 6.8 7.2 7.5 7.1 7.8 7.3 6.7 6.7 7.0 BACKSPIN 6.1 3.3 7.3 8.3 91.7 110.7 104.3 107.3 7.0 6.3 7.2 7.6 7.5 7.0 7.3 6.9 6.0 6.0 6.9 IMPERIAL 7.2 3.0 7.3 8.0 92.7 110.0 106.8 123.5 7.0 6.2 7.3 7.4 7.7 7.0 7.4 7.0 6.2 5.7 6.9 PENN G-6 7.6 4.7 8.0 8.3 90.0 114.0 113.8 128.2 6.3 6.1 6.9 6.8 7.3 7.0 7.5 7.1 6.8 6.0 6.9 GRAND PRIX (LCB-103) 6.9 3.3 7.0 9.0 88.3 110.0 108.5 122.7 6.3 5.6 6.8 6.8 7.1 7.0 7.0 6.9 6.7 6.0 6.7 L-93 7.3 4.7 6.7 9.0 83.3 111.7 111.8 115.2 6.3 5.8 6.7 6.6 6.9 7.1 7.2 6.8 6.3 6.7 6.6 SR 1119 7.2 4.0 7.0 9.0 91.7 120.0 117.3 123.2 6.7 5.8 6.7 6.9 7.2 6.8 6.8 6.3 5.8 6.0 6.5 CATO 7.0 4.0 6.7 9.0 85.0 112.0 114.2 125.8 6.7 5.8 6.7 6.2 6.8 6.8 6.6 6.6 5.8 6.0 6.4 SR 1020 7.3 3.7 7.0 8.7 91.0 112.0 113.0 121.3 6.0 5.8 6.5 6.7 6.7 6.5 6.8 6.5 6.2 6.0 6.4 CRENSHAW 7.2 2.7 7.0 8.3 90.0 102.7 119.8 124.5 6.3 5.6 6.2 6.2 7.0 6.6 6.8 6.4 5.8 5.7 6.3 PROVIDENCE 7.0 4.0 6.7 8.7 88.3 114.0 109.3 122.5 6.3 5.8 6.6 6.1 6.7 6.5 6.5 6.4 5.8 6.0 6.3 TRUELINE 7.0 4.0 5.7 8.3 86.7 118.3 109.8 119.8 6.0 5.7 6.7 6.1 6.7 6.5 6.3 6.1 5.6 5.7 6.2 VIPER 7.2 3.7 6.3 9.0 92.7 116.0 116.7 122.3 6.0 5.9 6.7 6.3 6.6 6.3 6.4 5.9 5.5 5.7 6.2 PUTTER 6.7 4.0 6.0 9.0 93.3 116.3 110.0 119.0 6.3 5.4 6.3 6.2 6.6 6.4 6.2 6.0 5.8 5.0 6.1 PENNCROSS 5.8 3.3 4.0 9.0 94.7 110.0 101.0 108.7 5.3 5.1 5.6 5.4 5.8 5.8 5.4 5.3 4.8 4.3 5.3 LSD VALUE 0.6 1.6 0.7 1.1 16.2 22.2 80.6 35.7 0.7 3.2 0.8 0.8 0.5 0.4 0.6 0.6 1.1 1.5 0.4 C.V. (%) 9.5 19.7 7.0 5.7 7.0 6.8 24.0 13.0 6.5 27.3 12.9 12.4 8.5 8.5 11.5 11.1 19.4 11.9 8.5 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.