TABLE 13B. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT SNOQUALMIE, WA (TPC AT SNOQUALMIE RIDGE) 1/ 2000 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES FILLING GENETIC SPRING LEAF DENSITY WINTER AFTER STIMPMETER READINGS QUALITY RATINGS NAME COLOR GREENUP TEXTURE SUMMER COLOR AERIFICATION APRIL AUGUST NOVEMBER JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN PENN A-4 7.0 7.0 9.0 9.0 6.0 6.3 103.3 148.3 134.0 6.0 6.3 7.0 6.3 6.0 7.7 8.0 8.0 6.7 7.0 7.0 6.0 6.8 CENTURY 5.7 5.0 9.0 9.0 5.7 6.7 98.3 134.3 127.7 5.7 7.0 7.0 6.3 6.3 7.0 7.7 8.3 6.3 7.0 6.0 5.3 6.7 L-93 7.0 6.7 7.7 8.0 4.0 6.3 96.3 138.0 129.0 5.0 6.0 6.7 5.7 5.7 7.0 8.0 8.0 6.7 7.7 6.7 6.3 6.6 PENN G-1 7.0 6.7 8.3 9.0 5.7 6.0 94.7 131.3 118.0 5.0 5.7 6.0 6.3 6.0 7.3 8.0 8.3 6.0 7.7 6.7 6.0 6.6 GRAND PRIX (LCB-103) 6.0 5.0 8.7 8.3 6.0 5.7 103.0 155.7 134.0 5.7 6.0 6.7 6.3 6.0 6.7 7.3 7.7 6.0 6.7 7.0 6.0 6.5 PENN A-1 7.0 6.0 9.0 9.0 5.0 5.7 95.7 139.0 127.3 5.7 5.7 7.0 5.7 5.3 7.0 8.0 8.0 6.3 7.0 6.7 5.7 6.5 IMPERIAL 5.7 6.0 8.3 8.3 4.7 6.3 99.7 136.7 122.3 5.0 5.7 6.3 5.7 5.7 7.3 6.7 8.3 6.3 6.7 6.3 5.7 6.3 BACKSPIN 6.0 6.0 8.0 8.3 4.0 6.0 104.0 136.7 124.3 5.0 6.0 5.7 6.0 5.3 7.0 7.7 7.3 6.3 6.7 6.0 5.3 6.2 SR 1020 6.7 6.0 8.0 8.0 5.0 5.3 101.3 141.3 126.0 5.7 5.0 6.0 5.7 5.7 6.7 7.0 7.3 5.7 7.0 6.3 6.3 6.2 PENN G-6 6.7 6.7 8.3 8.0 4.0 6.0 99.0 139.3 123.7 5.0 5.0 6.3 5.7 5.3 7.0 7.0 7.0 6.3 7.0 6.0 5.3 6.1 SR 1119 7.0 6.7 8.0 8.0 4.0 5.3 100.0 138.3 126.0 5.0 5.7 6.0 5.0 6.0 7.0 7.0 7.0 6.0 7.0 6.0 5.0 6.1 PROVIDENCE 6.7 5.7 7.0 8.0 4.0 6.3 104.0 141.0 132.7 5.0 5.7 6.3 5.0 5.7 6.7 6.3 7.3 6.0 6.3 6.0 5.3 6.0 CATO 7.0 6.0 7.7 8.0 4.0 5.3 97.3 134.0 137.3 5.0 5.7 5.3 5.7 5.7 6.3 7.0 7.3 5.3 6.0 5.0 5.7 5.8 TRUELINE 6.7 6.3 7.3 7.7 4.3 6.3 100.3 138.0 128.3 5.0 5.0 5.3 5.0 5.3 7.0 6.3 6.7 6.0 6.7 5.3 5.7 5.8 VIPER 6.7 7.0 8.0 8.0 4.0 5.7 100.3 135.7 136.3 5.0 5.3 5.7 5.0 5.0 6.7 7.0 7.0 6.0 6.0 6.0 5.3 5.8 CRENSHAW 7.0 6.7 7.3 8.0 3.0 6.0 105.0 147.7 141.7 4.3 4.0 5.3 5.0 5.3 6.0 7.0 7.0 6.3 6.7 4.7 4.7 5.5 PUTTER 6.0 6.0 7.0 7.3 5.0 5.7 98.3 143.3 131.7 5.0 5.0 5.0 5.0 4.7 5.7 6.0 6.0 5.3 5.3 5.7 5.3 5.3 PENNCROSS 5.7 5.0 6.7 7.0 4.0 6.0 98.0 135.7 139.0 5.0 4.0 4.0 4.3 4.0 6.0 5.0 5.7 5.0 5.3 4.3 4.7 4.8 LSD VALUE 0.6 0.7 0.6 0.5 0.4 1.5 - 28.9 24.2 0.5 0.7 0.6 0.9 0.8 1.0 0.7 0.7 0.8 1.0 0.8 1.0 0.3 C.V. (%) 6.0 7.1 5.0 3.8 6.1 9.9 7.3 7.2 7.2 6.0 8.3 6.3 9.4 8.2 7.5 6.7 6.1 7.1 8.5 8.1 9.3 2.8 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.