TABLE 1. MEAN TURFGRASS QUALITY RATINGS OF BENTGRASS CULTIVARS GROWN ON A GREEN AT TWENTY-FOUR LOCATIONS IN THE U.S. AND CANADA 1/ 1996 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF 2/ NAME AZ1 IA1 IL1 IL2 KS1 KY1 MA1 MI1 MN1 MO1 MS1 NJ1 OK1 PA1 QE1 RI1 SC1 TX1 VA1 WA1 WA3 WA4 WI1 WI2 MEAN * LOFTS L-93 (L-93) 7.5 5.8 5.7 6.4 6.3 7.9 7.1 7.2 5.8 7.5 6.0 7.3 8.0 8.4 7.6 7.0 4.7 6.6 6.3 7.0 5.6 5.4 5.8 6.5 6.6 * PENN A-1 (A-1) 7.2 6.0 5.4 6.3 5.7 8.2 5.7 6.6 6.3 7.7 5.8 6.5 7.8 8.4 7.7 6.2 5.9 6.7 6.0 7.1 5.9 5.6 5.7 6.1 6.5 * PENN A-4 (A-4) 7.8 5.5 5.5 6.2 5.3 7.9 5.7 6.8 5.9 7.2 5.6 6.3 7.9 7.9 7.6 6.6 5.8 6.8 6.2 7.5 5.5 5.7 6.3 6.6 6.5 * PENN G-2 (G-2) 7.1 5.6 6.1 5.3 5.7 7.5 6.4 7.0 6.3 7.9 5.1 4.5 6.4 8.1 7.6 6.2 5.6 6.3 6.4 7.4 5.5 5.4 6.0 6.4 6.3 * CATO 7.5 5.6 6.1 5.8 6.1 8.0 6.0 6.8 6.0 7.4 5.1 5.7 7.7 7.5 7.4 5.1 5.1 6.6 5.9 7.0 5.2 5.7 5.6 6.1 6.3 * PROVIDENCE 7.1 6.1 6.3 6.0 5.8 7.4 6.4 6.8 5.4 7.8 5.8 5.6 7.1 7.6 7.6 6.0 4.1 6.9 5.8 6.6 5.4 5.5 5.5 5.7 6.3 * PENN G-6 (G-6) 6.5 5.2 5.2 5.7 5.5 7.3 5.9 6.7 5.8 7.2 5.9 5.4 7.4 7.8 7.7 5.6 5.4 6.8 6.3 6.8 4.8 4.8 6.3 6.3 6.2 * SOUTHSHORE 6.4 5.9 5.9 6.1 6.1 7.3 5.9 6.5 5.4 7.7 5.5 5.4 6.7 8.0 7.8 5.2 4.5 6.9 5.3 6.9 4.9 5.3 5.4 5.7 6.1 * CENTURY (SYN 92-1) 6.7 5.7 5.2 6.7 5.5 6.9 6.3 6.4 5.1 7.9 5.7 5.1 6.3 7.7 7.9 4.7 5.1 6.6 5.4 6.4 5.3 5.8 5.6 6.2 6.1 * IMPERIAL (SYN 92-5) 6.4 5.8 5.7 5.8 5.5 7.0 6.3 6.3 5.3 7.5 4.9 5.3 7.7 8.1 7.6 4.8 4.5 6.8 5.5 6.3 5.4 5.8 5.7 5.9 6.1 BAR WS 42102 6.2 5.4 5.9 5.6 6.1 7.1 6.4 6.8 5.4 7.2 5.7 5.3 7.1 7.1 7.7 4.4 3.9 6.7 5.6 7.0 4.4 4.5 5.9 6.0 6.0 * BACKSPIN (SYN 92-2) 6.6 5.5 5.9 6.2 5.7 6.9 6.0 6.2 5.1 7.5 5.5 4.5 6.7 6.9 7.6 4.4 4.8 6.6 5.1 6.3 5.3 5.2 5.6 6.2 5.9 * PENNLINKS 6.4 6.1 5.5 5.3 5.9 7.3 6.3 6.1 5.2 8.1 5.2 4.8 7.4 6.7 7.3 4.6 4.4 6.5 5.3 6.2 4.6 4.8 5.7 6.1 5.9 DG-P 6.1 5.6 5.4 5.3 5.9 7.4 6.0 6.3 4.7 7.1 5.3 5.3 7.5 6.7 7.7 5.0 4.1 6.7 5.2 6.2 5.0 . 5.7 5.5 5.9 * SR 1020 7.4 5.6 5.7 4.6 5.4 7.0 5.8 6.6 5.2 7.4 5.8 4.0 7.7 6.2 7.5 4.1 4.4 6.9 5.4 6.7 5.0 5.2 5.5 5.8 5.9 * CRENSHAW 6.6 5.6 5.3 5.6 5.6 7.0 5.7 6.6 4.6 7.8 5.1 3.8 7.2 7.3 7.7 4.2 5.2 6.6 5.2 6.5 4.4 4.6 5.6 6.0 5.8 ISI-AP-89150 6.9 5.6 4.9 5.3 5.7 7.2 5.5 6.3 5.3 7.8 5.3 4.9 6.7 6.8 7.6 4.8 3.7 6.9 5.1 6.4 4.4 5.2 5.3 5.8 5.8 * REGENT 6.7 5.9 5.2 4.9 6.1 7.1 5.9 6.0 5.0 7.9 5.6 5.4 7.1 6.3 7.0 4.7 3.8 6.8 5.0 6.3 4.3 4.4 5.4 5.7 5.8 * PRO/CUP 6.2 5.6 5.9 5.2 6.1 7.0 5.6 6.0 5.0 7.8 5.6 4.5 7.4 5.9 7.4 4.1 3.5 6.7 5.0 6.4 4.8 4.7 5.7 5.7 5.7 * TRUELINE 6.2 5.4 5.6 4.9 6.1 7.0 5.7 6.2 5.4 8.1 5.6 4.0 7.3 6.0 7.3 4.7 3.4 6.7 5.2 6.4 4.5 4.4 5.4 5.7 5.7 MSUEB 6.2 5.7 6.0 4.1 5.8 6.9 5.6 6.4 5.2 8.0 6.0 5.3 7.4 6.4 6.8 4.7 4.7 6.4 5.2 6.2 3.9 3.8 5.2 5.5 5.7 * LOPEZ 6.4 5.3 5.7 4.4 5.9 7.2 6.0 6.4 5.0 8.0 5.7 3.9 7.6 6.1 7.2 4.7 3.1 6.5 5.0 6.4 4.5 4.8 5.1 5.5 5.7 * MARINER (SYN-1-88) 5.8 5.4 6.1 4.6 5.3 6.8 5.8 5.9 4.8 8.0 5.3 3.0 6.6 6.2 6.7 3.7 3.9 6.7 5.0 5.5 4.3 4.4 5.3 5.7 5.4 * PENNCROSS 6.0 5.7 5.6 4.1 5.6 6.9 5.3 6.1 4.9 7.8 5.7 3.6 7.2 5.5 6.6 3.8 3.5 6.3 4.9 5.8 4.5 4.6 5.1 5.3 5.4 * 18TH GREEN 5.4 5.9 4.6 3.4 5.5 6.3 5.2 5.8 4.6 7.9 4.7 3.3 6.8 5.3 7.9 2.8 4.5 6.8 4.6 6.2 4.1 4.5 5.8 6.1 5.3 * SEASIDE 4.3 5.0 5.1 3.2 5.5 5.3 4.0 5.1 4.6 6.6 5.1 1.9 6.0 2.8 6.4 2.6 3.5 6.3 4.5 4.9 3.8 2.9 4.4 5.3 4.6 BAR AS 492 4.6 4.9 4.4 2.9 6.1 3.1 4.1 5.6 5.3 6.2 4.9 2.5 . 1.0 5.7 3.4 2.1 6.5 4.8 5.7 4.8 3.0 5.0 5.6 4.4 * TENDENZ 5.1 4.5 4.4 3.3 5.5 3.6 4.7 5.2 . 6.5 5.1 2.0 . 1.1 6.6 2.9 2.3 6.6 3.9 5.0 3.9 3.3 4.3 4.9 4.3 LSD VALUE 0.6 0.7 0.8 1.7 1.0 0.4 0.7 0.5 0.9 0.7 1.0 0.8 0.8 0.7 0.4 0.8 0.7 0.5 0.4 0.8 0.4 0.4 0.7 0.6 0.2 C.V. (%) 6.2 7.9 8.9 21.0 10.5 3.3 7.6 4.7 10.8 5.5 10.9 10.5 7.1 6.4 3.3 10.2 10.3 4.8 5.1 7.9 5.1 5.4 7.9 6.4 8.1 * COMMERCIALLY AVAILABLE IN THE USA IN 1997. 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 MEANS IN EACH COLUMN.