TABLE 9. 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/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING DENSITY DENSITY QUALITY RATINGS NAME COLOR GREENUP SPRING SUMMER APR MAY JUN AUG SEP OCT MEAN PENN A-4 5.3 7.7 9.0 6.7 8.3 8.7 8.7 7.0 7.0 7.7 7.9 CENTURY 3.3 8.7 8.3 6.7 8.7 8.7 8.3 7.7 6.7 6.7 7.8 PENN A-1 5.3 6.3 9.0 6.0 7.3 9.0 8.3 8.0 6.0 8.0 7.8 PENN G-1 6.0 8.3 8.3 6.0 9.0 8.3 8.3 7.0 6.0 7.0 7.6 GRAND PRIX (LCB-103) 3.3 8.3 8.0 5.7 8.0 8.3 8.0 6.0 5.0 7.0 7.1 PENN G-6 5.7 7.0 8.3 5.7 6.7 8.3 7.7 7.3 5.3 6.7 7.0 L-93 6.7 5.0 6.7 5.0 6.3 7.0 7.7 7.7 6.3 5.7 6.8 SR 1119 7.0 5.7 6.7 5.0 6.7 6.7 7.0 7.0 6.0 6.0 6.6 IMPERIAL 4.3 6.0 7.7 4.7 6.7 7.7 7.3 6.3 4.7 6.0 6.4 BACKSPIN 3.7 6.7 7.3 4.7 6.3 7.3 7.0 5.7 4.3 5.0 5.9 CRENSHAW 6.3 3.3 5.7 4.3 5.7 6.3 5.7 5.7 5.0 6.0 5.7 SR 1020 4.0 3.7 6.0 4.3 5.7 6.7 6.3 5.7 4.7 5.0 5.7 PROVIDENCE 5.0 7.0 5.3 3.7 5.7 6.3 4.7 5.3 3.7 4.7 5.1 TRUELINE 5.3 5.7 4.7 4.0 5.0 4.7 5.3 5.0 3.0 5.0 4.7 CATO 5.3 4.0 5.0 2.7 4.7 5.3 5.0 4.3 2.7 4.0 4.3 VIPER 7.3 4.0 4.3 2.7 3.7 4.7 4.0 4.0 2.3 4.0 3.8 PUTTER 3.7 4.3 3.7 1.7 3.7 4.0 3.3 4.3 2.3 3.0 3.4 PENNCROSS 2.7 7.7 3.0 1.3 2.7 3.3 2.7 3.0 1.3 2.7 2.6 LSD VALUE 1.5 1.3 0.9 1.0 1.3 0.8 0.8 1.9 1.4 1.2 0.6 C.V. (%) 18.2 14.2 9.4 15.2 13.3 8.0 8.5 18.6 19.4 13.9 6.7 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.