TABLE 11B. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT DALLAS, TX (BENT TREE COUNTRY CLUB) 1/ 1999 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES G G T E R E NC E X N EO E LT A TL N EU FALL COLOR M IO U AR DENSITY RATINGS RATINGS COLOR RATINGS DENSITY RATINGS QUALITY RATINGS E CR P FE SPR SUM FALL SEP OCT NOV DEC JAN FEB APR MAY JUL FEB APR MAY JAN FEB MAR APR MAY JUN JUL AUG OCT NOV MEAN PENN A-1 7.7 7.0 2.0 7.7 8.7 8.3 6.7 6.0 7.0 7.3 7.0 7.3 6.3 6.7 6.7 6.0 5.7 7.7 7.0 6.7 8.0 6.0 8.7 7.7 7.0 8.0 6.0 7.7 7.3 PENN A-4 7.3 7.3 2.0 7.7 8.0 8.3 6.3 6.3 7.3 8.0 7.0 7.3 5.7 7.0 7.0 6.7 5.0 8.7 7.3 6.7 8.3 6.3 8.7 8.0 6.3 7.3 6.0 7.7 7.3 PENN G-1 7.0 6.0 2.0 8.7 7.7 8.0 7.0 7.0 7.3 7.7 6.3 6.7 5.3 6.7 7.0 6.3 5.7 8.0 6.7 7.7 8.3 6.7 7.7 6.7 6.7 8.3 7.3 7.0 7.3 GRAND PRIX (LCB-103) 6.0 5.3 2.0 8.3 8.0 8.0 5.7 5.7 5.7 5.7 6.0 6.3 5.7 6.0 6.7 7.3 6.0 8.0 6.7 7.7 7.7 6.0 7.3 7.7 6.0 8.0 6.3 6.3 7.0 SR 1119 7.7 8.0 2.0 7.0 7.3 6.7 6.3 7.0 7.0 6.7 7.3 6.7 7.0 7.7 6.7 6.7 5.3 6.7 6.0 6.3 7.0 7.3 6.7 7.7 7.3 8.7 6.3 6.7 7.0 CENTURY 5.7 5.3 2.0 7.3 7.7 8.0 6.3 6.3 6.3 6.0 5.0 6.0 6.0 5.7 6.7 6.3 5.3 6.7 7.0 5.7 8.0 5.0 8.0 7.0 6.7 7.7 7.3 6.7 6.9 CRENSHAW 7.7 7.7 2.3 8.0 7.7 6.7 6.7 6.7 8.0 7.0 6.0 7.3 6.7 7.7 7.0 6.3 5.7 7.0 7.7 6.7 7.7 6.0 6.0 7.0 6.0 8.7 6.0 7.3 6.9 PENN G-6 6.7 6.7 3.0 7.7 8.3 7.3 5.3 6.3 7.0 7.0 6.3 6.7 6.0 6.0 7.0 6.0 5.3 6.7 7.0 6.3 8.0 5.3 6.7 7.3 6.7 8.0 6.0 7.7 6.9 SR 1020 7.0 7.0 2.0 7.0 7.3 7.0 7.0 7.7 8.0 6.7 7.7 7.7 6.7 7.3 6.7 6.0 5.3 7.0 6.7 6.0 7.3 6.3 7.0 7.0 6.0 8.3 6.3 7.3 6.8 IMPERIAL 5.0 5.7 2.0 8.3 7.7 7.7 5.0 6.3 7.3 6.3 5.0 5.7 5.7 5.3 6.7 6.7 5.0 7.0 7.0 6.7 7.7 5.7 7.3 6.7 6.0 7.3 5.7 7.3 6.7 BACKSPIN 6.3 6.0 2.3 7.3 7.7 7.3 5.3 6.0 6.3 7.7 5.3 6.3 5.7 5.7 6.0 5.7 5.7 7.3 7.0 5.7 7.3 6.0 8.0 6.7 5.7 7.3 5.7 6.3 6.6 CATO 6.7 7.0 2.3 6.3 6.7 7.3 6.3 7.3 7.3 5.7 7.0 7.3 6.7 7.3 7.3 6.0 5.3 6.7 6.7 5.7 6.3 5.7 6.7 7.0 6.7 8.0 6.3 7.3 6.6 L-93 7.3 7.0 2.7 6.7 6.7 7.7 7.7 7.3 7.3 7.0 5.7 6.7 6.3 7.0 7.3 6.0 4.7 6.0 6.3 6.0 7.0 6.3 5.7 6.7 7.3 8.3 6.0 6.7 6.6 VIPER 7.7 8.0 2.7 6.0 6.3 6.3 5.0 7.3 7.3 5.0 6.0 7.7 7.7 7.3 7.3 5.3 5.7 6.3 6.3 5.0 6.0 6.0 6.3 6.7 6.3 8.3 5.7 6.7 6.3 TRUELINE 7.0 7.3 2.7 6.3 6.3 6.7 7.0 7.7 7.7 6.3 6.3 8.0 6.3 7.0 6.7 5.0 4.7 6.3 6.7 4.7 6.3 5.3 6.7 6.7 6.7 7.0 5.0 7.3 6.2 PUTTER 6.3 7.3 2.7 6.0 6.0 6.7 5.0 6.7 8.0 6.0 5.3 7.7 6.3 6.3 6.7 5.3 5.3 5.7 6.3 5.0 6.0 5.7 6.0 5.3 5.3 7.7 5.3 7.3 6.0 PROVIDENCE 7.3 6.7 2.7 6.3 6.7 6.7 6.3 6.7 8.0 6.7 6.3 7.3 7.3 6.7 6.3 5.3 5.0 6.3 5.7 5.3 6.0 5.0 6.0 6.0 5.3 7.7 5.0 6.7 5.9 PENNCROSS 6.7 5.3 3.0 6.0 4.3 4.7 5.3 6.7 4.3 5.3 5.0 6.0 5.7 4.7 5.3 4.7 5.3 4.7 4.7 4.0 5.0 6.0 6.7 4.7 4.3 7.7 4.0 5.0 5.2 LSD VALUE 1.2 1.1 0.8 1.3 1.5 1.2 3.1 1.2 1.1 1.7 2.0 1.1 1.8 0.9 1.8 1.7 - 1.2 1.1 2.2 1.2 3.2 1.6 2.2 2.1 2.5 1.7 2.2 0.6 C.V. (%) 10.1 9.9 16.8 10.3 12.0 10.0 19.6 9.0 9.7 13.2 15.4 8.9 12.8 8.9 10.5 13.4 22.9 10.3 9.4 18.0 10.1 17.9 12.4 15.0 15.0 10.6 14.3 13.1 5.3 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.