TABLE 2. 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/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES FALL FALL FALL FALL PERCENT LIVING COVER FROST WINTER COLOR COLOR COLOR COLOR STIMPMETER READINGS NAME SPRING SUMMER FALL TOLERANCE COLOR SEPTEMBER OCTOBER NOVEMBER DECEMBER SPRING SUMMER FALL WINTER PENN A-4 99.0 99 99 8.0 5.3 7.3 5.7 6.0 5.7 105.7 116.0 111.7 130.0 BACKSPIN 97.7 99 99 8.0 5.3 4.7 6.0 5.7 5.3 111.3 125.7 110.3 130.0 L-93 98.7 99 99 8.3 6.7 8.0 7.3 7.0 6.7 108.7 111.0 106.3 125.3 PENN G-1 99.0 99 99 8.0 5.3 6.7 5.3 6.0 5.0 100.0 117.3 112.3 124.7 PENN G-6 97.7 99 99 7.7 5.0 5.7 5.3 5.0 5.7 114.3 111.3 112.0 132.7 SR 1119 98.7 99 99 8.0 7.3 6.7 7.0 8.0 7.0 104.0 124.0 127.3 133.0 GRAND PRIX (LCB-103) 98.7 99 99 8.0 5.3 5.7 6.0 5.7 5.7 102.7 106.7 119.7 117.7 PENN A-1 97.7 99 99 8.0 5.7 5.3 6.0 6.0 5.7 109.3 107.7 125.3 129.7 PROVIDENCE 97.3 99 99 8.3 6.3 6.3 6.3 6.7 6.3 104.7 107.0 119.3 117.7 PUTTER 97.0 99 99 7.0 5.0 5.7 6.3 6.0 5.0 101.7 132.7 120.7 126.7 TRUELINE 98.7 99 99 7.7 6.7 6.7 6.7 7.7 6.3 108.3 111.7 114.3 124.0 CRENSHAW 96.7 99 99 7.3 7.0 7.0 6.3 7.3 7.0 101.3 118.0 122.0 124.0 CATO 97.3 99 99 8.0 6.0 6.0 6.7 6.3 6.3 109.7 103.3 117.3 116.7 VIPER 97.3 99 99 7.7 7.0 7.3 7.0 7.3 6.7 110.3 123.0 110.0 130.7 IMPERIAL 97.7 99 99 6.7 5.0 5.0 5.3 5.0 5.7 106.7 117.0 118.7 133.0 SR 1020 96.7 99 99 8.0 6.0 5.3 6.3 5.7 7.0 106.7 95.7 131.3 129.3 CENTURY 99.0 99 99 7.7 5.0 5.0 5.3 5.0 5.3 112.0 94.0 129.3 135.0 PENNCROSS 96.0 99 99 7.3 4.7 5.3 6.7 5.7 4.7 109.7 113.0 120.0 125.3 LSD VALUE 4.1 0 0 1.4 1.2 1.3 2.2 1.6 1.7 19.6 29.5 26.8 26.9 C.V. (%) 1.5 0 0 7.5 12.0 12.7 14.2 13.9 14.3 6.4 11.4 8.9 7.4 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. TABLE 2. 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/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES GENETIC SPRING LEAF DENSITY RATINGS QUALITY RATINGS NAME COLOR GREENUP TEXTURE SPRING SUMMER FALL JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN PENN A-4 6.3 5.3 8.3 8.7 8.7 8.3 8.7 8.3 8.7 8.3 8.7 8.7 7.3 7.3 6.7 6.3 7.0 6.7 7.7 BACKSPIN 5.3 6.7 7.7 8.0 8.7 8.3 6.7 7.7 8.0 7.7 7.7 8.0 7.0 7.3 7.7 6.7 8.7 7.0 7.5 L-93 7.0 7.0 7.7 7.0 7.3 8.0 6.3 6.7 8.0 7.3 7.0 7.7 7.0 8.0 7.7 7.7 7.7 7.7 7.4 PENN G-1 6.3 5.0 8.0 7.7 8.7 8.7 6.3 7.3 8.0 8.0 7.0 7.3 6.0 8.0 8.3 5.3 7.0 6.7 7.1 PENN G-6 5.7 6.0 7.3 7.3 8.0 8.0 6.7 7.0 7.0 7.3 7.3 7.0 7.3 7.7 8.3 6.0 7.7 5.7 7.1 SR 1119 6.3 7.0 7.7 7.0 7.3 7.3 5.3 7.0 7.7 7.7 7.3 7.0 7.3 6.0 6.3 7.3 8.0 6.7 7.0 GRAND PRIX (LCB-103) 5.0 5.0 8.3 7.7 8.3 8.0 6.7 7.0 7.3 7.0 7.0 8.0 7.0 7.0 7.3 6.3 6.7 6.7 6.9 PENN A-1 5.7 5.7 7.7 7.7 7.3 7.0 7.0 7.3 7.7 7.3 7.3 7.3 7.3 6.0 6.0 6.7 7.3 5.7 6.9 PROVIDENCE 6.3 6.3 7.7 7.3 7.3 7.3 6.3 6.7 8.3 7.0 7.0 6.3 5.0 6.7 7.0 7.0 7.7 6.7 6.8 PUTTER 5.3 5.7 6.7 6.7 6.7 7.0 6.7 6.3 8.0 6.0 6.0 6.3 6.3 6.7 7.7 6.0 7.7 6.3 6.7 TRUELINE 6.3 6.3 7.7 7.3 7.7 7.7 6.3 7.0 7.3 6.7 6.3 7.0 6.0 7.3 7.0 6.0 6.3 6.0 6.6 CRENSHAW 6.7 8.0 7.3 6.0 7.0 7.0 5.0 6.7 8.3 5.3 7.0 7.0 6.0 6.3 6.7 6.3 7.0 5.7 6.4 CATO 5.7 5.7 7.0 6.3 7.0 7.0 5.7 6.0 7.3 6.0 6.3 6.0 6.0 6.3 6.3 6.0 7.0 6.0 6.3 VIPER 6.7 7.7 7.3 6.3 7.0 7.0 5.7 6.3 8.3 5.7 5.7 5.7 6.3 6.7 6.7 5.7 6.7 5.7 6.3 IMPERIAL 5.0 5.7 7.7 7.7 7.7 7.3 6.3 6.3 7.3 6.7 6.3 6.0 5.3 6.0 7.0 5.7 6.3 5.3 6.2 SR 1020 5.3 7.0 7.3 7.3 6.3 6.3 6.7 6.3 7.7 7.0 6.3 5.3 5.0 6.0 5.3 6.3 6.7 5.7 6.2 CENTURY 4.7 5.3 8.0 7.5 7.7 7.3 6.7 6.3 7.3 6.7 7.0 6.3 5.3 5.0 6.0 5.3 6.7 5.0 6.1 PENNCROSS 5.3 6.0 6.0 6.0 6.0 6.3 6.7 4.7 7.0 5.0 5.0 4.0 5.0 6.0 5.3 5.0 6.3 5.0 5.4 LSD VALUE 1.0 1.2 1.4 1.3 1.7 2.2 1.8 1.4 1.4 1.9 1.7 1.7 3.1 3.4 2.6 2.8 3.5 3.8 1.3 C.V. (%) 10.0 11.3 8.9 9.6 11.2 12.2 13.9 11.2 8.0 14.2 12.6 14.0 19.8 19.0 16.8 17.1 16.4 20.9 9.4 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.