TABLE 10C. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT RYE, NY (WESTCHESTER COUNTRY CLUB) 1/ 1998-2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT LIVING COVER DOLLAR GENETIC SPRING LEAF SEEDLING DENSITY DENSITY DENSITY SUMMER FALL SPOT QUALITY RATINGS NAME COLOR GREENUP TEXTURE VIGOR SPRING SUMMER FALL 2000 2000 1998 APR MAY JUN JUL AUG SEP OCT NOV MEAN PENN A-4 5.6 6.6 8.9 7.3 8.4 8.4 7.8 94.3 97.0 7.3 7.3 8.6 8.8 7.6 8.0 7.3 8.1 8.3 8.0 CENTURY 3.8 6.4 8.8 7.0 7.8 8.0 7.6 91.7 85.0 5.7 7.1 8.3 8.5 7.3 7.8 7.3 7.0 6.7 7.6 PENN A-1 5.7 5.9 8.2 4.0 7.8 7.8 7.3 80.7 90.0 8.0 6.8 8.3 8.2 7.3 7.5 6.8 8.3 6.7 7.6 PENN G-1 5.8 6.7 8.2 7.0 7.8 7.5 7.2 89.0 81.7 8.0 7.5 8.0 8.3 7.9 7.3 6.9 7.7 6.7 7.6 GRAND PRIX (LCB-103) 3.5 6.2 7.8 8.0 6.9 7.2 7.0 91.7 91.7 7.7 6.6 7.3 7.5 7.7 7.0 6.6 7.2 5.7 7.0 L-93 7.2 5.3 6.8 5.0 6.4 6.4 6.3 88.3 73.3 8.7 6.0 7.3 7.5 6.9 7.3 6.3 6.8 7.0 6.9 PENN G-6 5.8 6.1 7.3 6.7 7.6 7.2 6.7 93.3 85.0 8.0 6.5 7.4 7.4 6.7 7.2 6.5 6.7 5.3 6.9 SR 1119 7.8 5.2 6.7 5.0 6.7 6.4 5.8 81.7 73.3 8.3 6.2 7.5 7.3 7.0 6.8 6.2 6.3 5.7 6.7 IMPERIAL 4.2 4.6 8.1 7.7 7.1 6.9 5.4 86.7 68.3 6.3 5.6 7.1 6.9 6.6 6.8 5.5 6.1 4.7 6.3 BACKSPIN 3.6 5.0 7.6 5.3 6.5 7.0 5.8 85.0 71.7 6.3 5.7 7.1 7.1 6.9 6.3 5.5 5.4 4.7 6.2 CRENSHAW 6.0 3.9 6.0 6.3 5.6 5.8 5.2 76.7 70.0 7.0 5.5 6.6 6.1 6.4 6.3 5.6 5.8 5.3 6.0 SR 1020 4.8 4.5 6.1 4.3 5.8 6.4 6.2 80.0 73.3 7.7 5.3 6.3 6.0 6.2 6.1 5.7 6.3 5.7 5.9 PROVIDENCE 5.4 5.7 5.9 6.7 5.4 5.3 5.1 70.0 70.0 8.7 5.7 6.3 5.4 6.1 5.2 4.6 5.4 5.0 5.5 CATO 6.0 4.1 6.3 4.7 5.3 5.2 5.0 70.0 68.3 7.7 4.6 6.3 5.8 6.1 5.0 4.4 5.3 5.3 5.3 TRUELINE 5.5 4.7 5.1 8.0 4.7 4.8 4.2 58.3 55.0 7.7 5.0 5.2 4.8 5.0 4.7 4.1 4.6 4.0 4.7 VIPER 6.8 3.3 5.7 6.7 5.3 4.6 4.2 48.3 55.0 8.0 4.3 5.4 4.8 5.0 4.3 3.8 4.9 4.3 4.6 PUTTER 4.0 3.2 4.2 7.3 3.4 3.8 3.3 50.0 45.0 8.3 3.8 4.3 3.8 4.8 3.8 3.3 3.7 4.0 3.9 PENNCROSS 2.8 4.6 2.7 6.3 2.8 3.2 2.0 55.0 40.0 8.7 3.3 3.8 2.8 3.4 2.9 2.8 3.0 2.0 3.1 LSD VALUE 0.7 1.0 0.6 1.7 0.8 0.9 1.1 9.7 10.1 0.9 0.9 0.7 0.6 0.7 0.7 1.0 0.7 0.9 0.4 C.V. (%) 18.2 25.3 10.7 15.9 16.9 20.3 21.8 8.3 9.3 7.0 22.1 15.1 12.7 13.5 15.5 23.5 13.7 10.9 9.1 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.