TABLE 12E. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT VIENNA, VA (WESTWOOD GOLF COURSE) 1/ 1998-2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES DROUGHT PERCENT PERCENT STIMPMETER READINGS DENSITY DENSITY TOLERANCE POA ANNUA POA ANNUA SPRING SUMMER FALL WINTER SUMMER FALL WILTING APRIL MAY 1998 1998-99 1998-99 1998 NAME 2001 2001 1999 2001 2001 2001 2001 PENN A-4 8.0 7.3 7.0 6.0 3.7 85.7 122.1 132.8 108.7 PENN A-1 7.3 6.7 8.0 3.0 3.0 89.0 121.5 130.9 111.5 CENTURY 7.7 6.7 8.7 11.7 5.0 88.0 119.8 130.3 114.3 PENN G-1 7.7 6.3 7.7 4.3 3.0 87.7 117.4 131.3 109.0 PENN G-6 7.3 7.0 8.7 5.7 5.0 88.7 117.1 124.6 111.7 CRENSHAW 7.7 6.3 7.0 8.3 5.0 86.3 118.3 128.0 113.0 GRAND PRIX (LCB-103) 7.3 6.3 7.3 3.3 3.3 90.0 115.7 123.8 111.3 L-93 7.0 6.7 7.7 13.3 6.7 85.7 114.1 124.8 115.0 CATO 7.3 6.0 8.3 15.0 6.7 88.3 117.7 130.1 113.7 IMPERIAL 7.3 6.3 8.7 8.3 6.7 85.3 115.7 127.1 113.3 BACKSPIN 7.0 6.3 7.7 11.7 6.7 90.0 122.0 129.4 113.0 SR 1020 7.3 6.3 7.7 8.3 5.0 88.0 119.7 131.2 113.0 PROVIDENCE 7.0 6.0 7.3 13.3 6.0 84.7 117.4 131.4 112.3 SR 1119 6.7 6.0 6.7 11.7 5.0 88.3 119.3 130.1 107.5 VIPER 7.0 6.0 6.0 11.7 6.7 88.7 119.7 131.9 113.0 PUTTER 6.3 5.3 7.0 13.3 6.7 88.7 111.9 121.9 115.3 TRUELINE 6.3 5.7 6.7 21.7 11.7 89.3 118.4 128.7 112.3 PENNCROSS 5.7 5.3 7.0 18.3 15.0 88.0 112.8 127.8 115.3 LSD VALUE 1.1 1.4 2.0 11.4 7.6 16.1 37.2 38.2 13.9 C.V. (%) 8.1 10.2 12.3 53.8 58.0 5.0 13.1 12.4 3.7 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. TABLE 12E. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE (CONT'D) 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT VIENNA, VA (WESTWOOD GOLF COURSE) 1/ 1998-2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES GENETIC SPRING LEAF QUALITY RATINGS NAME COLOR GREENUP TEXTURE MAR APR MAY JUN JUL AUG SEP OCT NOV MEAN PENN A-4 6.7 6.0 7.8 6.2 6.8 7.2 7.6 7.7 7.8 6.5 7.5 7.3 7.1 PENN A-1 6.7 6.0 7.3 6.3 6.4 6.8 7.4 7.3 7.3 6.9 7.2 7.0 7.0 CENTURY 6.0 5.7 7.3 6.5 6.4 7.1 7.6 7.1 7.3 6.3 7.2 6.3 6.9 PENN G-1 6.6 5.7 7.6 6.2 6.3 6.7 7.2 7.3 7.4 6.4 7.2 6.7 6.8 PENN G-6 6.1 6.0 7.2 6.3 6.2 6.7 7.1 6.9 7.2 6.5 7.2 7.0 6.7 CRENSHAW 6.4 5.7 7.1 6.0 6.3 6.5 7.1 7.2 7.2 6.3 6.8 6.0 6.6 GRAND PRIX (LCB-103) 6.4 5.8 7.2 6.5 6.2 6.7 7.0 6.8 7.1 6.3 7.0 6.7 6.6 L-93 6.6 6.0 7.0 6.2 6.1 6.6 7.1 6.8 6.8 6.4 6.8 6.3 6.6 CATO 5.8 6.0 6.8 6.2 6.3 6.6 6.8 6.4 6.6 6.2 6.7 7.0 6.5 IMPERIAL 5.7 6.0 7.4 6.0 6.3 6.7 7.2 6.7 6.9 6.0 6.5 6.3 6.5 BACKSPIN 6.1 5.5 6.9 6.0 5.8 6.4 6.6 6.3 6.8 6.8 6.2 6.3 6.4 SR 1020 5.9 5.3 7.1 6.0 5.9 6.3 6.9 7.0 6.8 6.2 6.5 6.7 6.4 PROVIDENCE 6.4 6.0 6.6 6.0 6.2 6.6 6.8 6.3 6.1 6.3 6.7 6.7 6.3 SR 1119 6.0 5.5 7.0 5.5 6.3 6.3 6.7 6.7 6.5 5.7 6.4 6.0 6.3 VIPER 6.1 5.2 6.3 5.3 5.8 6.2 6.4 6.2 6.2 6.2 6.3 6.7 6.1 PUTTER 6.2 5.8 6.6 5.8 5.6 5.9 6.3 6.0 5.9 6.1 6.3 7.0 6.0 TRUELINE 5.7 5.0 6.3 5.5 5.5 5.8 6.0 5.9 6.0 5.6 6.2 6.3 5.8 PENNCROSS 5.2 4.7 5.6 5.0 5.4 4.9 5.2 5.2 4.9 5.2 5.0 5.7 5.1 LSD VALUE 0.7 0.7 0.9 0.7 0.8 0.6 0.5 0.5 0.6 0.8 0.9 2.0 0.2 C.V. (%) 11.6 10.3 12.5 9.1 13.1 12.3 8.8 9.1 11.7 14.3 10.8 10.5 5.2 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.