TABLE 2E. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT GREEN VALLEY, AZ (COUNTRY CLUB OF GREEN VALLEY) 1/ 1998-2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES STIMPMETER READINGS FROST PERCENT SPRING SUMMER FALL WINTER DENSITY RATINGS PERCENT LIVING COVER TOLERANCE WINTER ESTABLISHMENT 1998-01 1998-01 1998 1998-01 NAME SPRING SUMMER FALL SPRING SUMMER FALL 2001 COLOR FALL 2000-01 PENN A-4 8.0 8.1 8.0 99.0 99.0 93.2 7.5 5.7 97.0 94.4 102.4 94.2 101.8 L-93 6.9 7.0 7.4 98.3 98.3 91.4 7.7 6.3 92.7 97.1 101.3 95.8 102.9 BACKSPIN 7.2 7.5 7.4 97.6 98.3 92.2 6.3 5.7 94.7 95.0 101.7 94.9 99.6 GRAND PRIX (LCB-103) 7.3 7.6 7.6 98.8 98.9 96.9 7.7 5.3 94.3 93.3 101.7 98.4 97.7 SR 1119 7.0 7.0 6.8 98.7 98.4 90.8 7.2 6.8 94.0 90.9 102.3 98.8 101.8 IMPERIAL 7.3 7.3 7.3 98.1 98.3 96.3 6.0 5.6 97.0 95.3 102.3 100.9 104.4 PENN A-1 6.8 7.0 6.8 96.6 98.3 88.3 6.7 5.4 91.7 97.2 103.3 103.7 99.9 PROVIDENCE 7.0 6.6 6.9 96.9 96.8 93.8 7.8 6.3 96.0 93.0 96.7 98.9 96.3 CENTURY 7.2 7.3 7.2 97.8 97.3 85.4 7.7 5.4 92.7 101.3 97.2 105.6 106.8 PENN G-1 7.3 7.6 7.7 98.8 98.8 96.6 7.2 5.4 91.7 93.3 104.3 96.7 101.0 PENN G-6 6.8 7.1 7.1 97.2 98.2 90.6 6.8 5.6 97.0 99.9 100.3 98.2 101.8 SR 1020 7.1 6.4 6.7 96.3 96.6 89.7 7.2 6.0 97.0 97.2 97.1 103.6 103.7 TRUELINE 6.8 6.6 7.1 98.1 97.7 98.0 6.5 6.1 97.3 95.1 101.0 99.4 98.4 CRENSHAW 6.3 6.6 6.6 97.0 98.4 94.3 6.0 6.6 96.0 92.7 102.2 98.9 99.7 VIPER 6.5 6.4 6.4 97.1 97.3 94.8 6.5 6.4 94.7 96.1 103.3 96.7 100.7 CATO 6.5 6.5 6.4 97.2 98.2 94.3 6.8 5.7 93.3 98.5 99.7 99.2 98.2 PUTTER 6.2 5.8 6.7 95.3 96.0 93.6 6.3 5.1 96.0 91.7 103.3 98.0 97.1 PENNCROSS 6.4 5.4 6.2 95.6 94.9 97.2 7.8 5.1 95.7 91.4 97.6 96.8 95.4 LSD VALUE 0.7 0.6 0.9 3.6 4.6 28.1 2.1 0.7 7.0 22.9 30.5 47.7 64.6 C.V. (%) 11.3 11.4 12.5 2.7 3.0 14.1 17.6 13.2 2.9 13.2 14.3 19.2 24.6 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 2E. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE (CONT'D) 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT GREEN VALLEY, AZ (COUNTRY CLUB OF GREEN VALLEY) 1/ 1998-2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES GENETIC SPRING LEAF SEEDLING QUALITY RATINGS NAME COLOR GREENUP TEXTURE VIGOR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN PENN A-4 6.2 6.3 8.1 3.7 7.2 7.5 7.3 7.5 7.3 8.2 7.3 6.3 6.4 6.7 6.8 7.2 7.1 L-93 6.4 6.8 6.8 3.0 6.3 6.3 6.5 6.6 5.8 6.9 6.2 6.0 6.3 6.9 6.8 6.7 6.4 BACKSPIN 5.3 6.3 7.3 2.7 6.3 6.5 6.5 6.8 6.2 7.2 6.5 5.6 5.8 6.1 6.8 6.4 6.3 GRAND PRIX (LCB-103) 5.1 5.0 7.3 4.3 6.8 6.8 6.5 6.5 5.5 6.9 6.2 5.9 6.1 6.2 6.2 6.6 6.3 SR 1119 6.5 7.0 7.3 2.3 5.8 6.5 6.7 6.8 6.6 7.2 6.3 5.4 5.6 6.2 6.6 6.0 6.3 IMPERIAL 5.1 5.9 7.4 2.7 6.1 6.6 6.6 6.5 5.8 6.7 6.1 5.5 5.7 6.1 6.2 6.2 6.2 PENN A-1 5.9 5.9 7.1 1.7 5.9 6.4 6.0 6.3 6.1 7.0 6.5 5.8 6.3 6.3 6.6 5.8 6.2 PROVIDENCE 6.0 6.5 6.5 3.0 6.6 6.6 6.9 6.6 5.7 6.2 5.6 5.5 5.8 6.0 6.7 6.7 6.2 CENTURY 5.0 5.4 7.8 2.7 6.9 6.5 6.9 6.1 5.8 6.8 6.0 5.3 5.6 5.6 6.2 6.2 6.1 PENN G-1 6.1 6.2 7.1 3.3 5.9 6.3 6.3 6.7 5.6 6.8 6.0 5.8 6.2 5.7 6.3 6.0 6.1 PENN G-6 5.8 6.1 6.8 4.0 6.0 6.5 6.4 6.3 5.8 6.5 6.3 5.8 6.4 5.6 6.2 6.1 6.1 SR 1020 5.6 6.3 7.0 2.0 6.9 6.7 6.3 6.3 5.5 5.8 5.3 5.3 5.6 6.4 6.9 6.8 6.1 TRUELINE 6.3 6.3 6.7 4.0 6.4 6.5 6.2 6.5 5.4 6.1 5.6 5.3 4.9 5.7 5.9 6.8 5.9 CRENSHAW 6.6 6.9 6.8 3.7 5.4 6.3 6.2 5.8 5.5 6.7 5.9 5.6 5.8 5.9 6.2 5.7 5.8 VIPER 6.7 7.3 6.8 4.0 5.6 5.9 6.7 6.0 5.0 6.0 5.6 5.0 5.4 5.6 5.9 5.9 5.7 CATO 5.7 6.1 6.8 2.7 5.8 6.1 5.8 5.9 5.3 6.2 5.8 5.1 4.9 5.4 5.8 6.2 5.6 PUTTER 5.1 5.6 6.3 5.0 5.8 5.9 6.1 5.3 4.7 5.4 4.9 4.7 5.8 5.2 6.1 6.2 5.4 PENNCROSS 4.7 5.4 5.7 2.7 6.6 5.8 6.2 5.5 4.0 4.7 4.5 4.5 4.6 5.1 5.6 6.1 5.2 LSD VALUE 0.4 0.5 0.5 2.0 0.9 1.2 2.3 1.3 0.9 0.7 0.9 2.3 2.3 1.2 2.5 2.1 0.6 C.V. (%) 9.3 11.5 10.1 30.7 16.8 16.3 21.5 19.5 20.3 13.8 19.0 28.4 25.8 17.5 20.4 19.0 11.4 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.