TABLE 12B. 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/ 1999 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES DROUGHT GENETIC SPRING LEAF TOLERANCE STIMPMETER READINGS QUALITY RATINGS NAME COLOR GREENUP TEXTURE WILTING JULY OCTOBER MAR APR MAY JUN JUL AUG SEP MEAN PENN A-4 6.0 6.3 7.7 7.0 129.0 149.7 6.7 7.7 8.0 7.7 8.0 7.3 6.7 7.4 CENTURY 5.3 6.3 7.3 8.7 133.7 147.7 6.7 7.3 8.0 8.0 7.3 6.7 6.3 7.2 PENN G-1 7.0 6.0 7.7 7.7 130.3 141.7 6.3 7.3 7.7 7.3 8.0 7.7 6.0 7.2 GRAND PRIX (LCB-103) 6.0 6.3 7.3 7.3 124.0 130.0 6.7 7.0 7.7 7.3 7.0 7.0 6.3 7.0 CRENSHAW 6.7 5.7 7.0 7.0 131.0 141.7 6.0 7.0 7.3 7.0 7.7 6.7 5.7 6.8 IMPERIAL 5.0 6.0 7.0 8.7 126.7 135.7 6.0 7.0 7.7 7.3 7.0 6.7 6.0 6.8 PENN A-1 6.0 6.3 6.7 8.0 128.3 136.3 6.3 6.7 7.0 7.3 7.0 6.7 6.3 6.8 PENN G-6 5.7 6.3 7.0 8.7 129.7 135.0 6.3 7.0 7.7 7.0 6.7 6.7 6.0 6.8 SR 1020 5.7 5.3 6.3 7.7 131.0 145.7 6.0 6.7 7.0 7.0 7.0 6.7 6.0 6.6 L-93 6.7 6.0 6.3 7.7 123.3 136.3 6.0 6.7 7.3 6.7 7.0 6.0 6.0 6.5 CATO 5.3 5.7 5.7 8.3 132.3 141.7 6.0 7.0 7.0 6.3 6.3 5.7 6.0 6.3 PROVIDENCE 6.0 6.0 5.7 7.3 130.3 141.7 5.7 6.7 7.3 6.7 6.3 5.3 6.3 6.3 BACKSPIN 5.0 6.0 6.3 7.7 131.7 140.3 6.0 6.7 6.7 6.0 6.3 6.0 6.0 6.2 SR 1119 6.3 5.7 6.0 6.7 129.0 142.3 5.3 6.7 7.0 6.3 7.0 6.0 5.3 6.2 PUTTER 6.0 5.7 5.3 7.0 124.3 129.0 5.7 6.3 6.3 6.0 6.3 5.3 6.3 6.0 TRUELINE 5.7 5.0 6.0 6.7 133.7 145.7 5.3 6.3 6.3 6.0 6.0 5.7 5.3 5.9 VIPER 6.3 5.0 5.7 6.0 135.0 148.3 5.3 6.0 6.3 6.3 6.0 5.0 5.7 5.8 PENNCROSS 5.3 4.7 4.7 7.0 123.7 141.0 5.0 6.3 5.7 5.0 5.0 4.3 5.0 5.2 LSD VALUE 1.1 1.0 0.8 2.0 14.6 22.7 1.1 1.0 0.8 0.9 0.7 1.0 1.1 0.4 C.V. (%) 9.8 8.9 7.4 12.3 4.3 6.2 9.4 7.0 6.5 8.3 6.5 9.5 8.6 4.3 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.