TABLE 6A. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS GROWN ON A GREEN UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2005-07 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT WEAR WEAR TOLERANCE RATINGS WEAR SPRING COVER ANTHRAC- TOLERANCE SPRING FALL SPRING FALL TOLERANCE QUALITY RATINGS NAME GREENUP FALL NOSE 2005 2006 2006 2007 2007 MEAN MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN LEGENDARY 6.1 96.0 7.3 7.3 7.7 4.3 7.7 7.7 7.0 3.0 5.6 6.9 7.1 6.7 7.0 6.9 6.4 5.8 4.3 6.4 GREENWICH 5.8 94.7 6.3 8.0 6.7 4.3 7.7 7.7 7.1 3.0 5.4 6.9 6.9 6.4 6.9 6.8 6.4 5.8 4.0 6.3 VENUS (EFD) 6.0 96.3 7.3 7.3 8.0 5.0 7.3 7.0 7.0 3.3 5.6 6.7 7.1 6.2 6.9 6.8 6.6 6.5 4.3 6.3 VESPER 6.8 90.0 7.3 7.0 8.0 4.7 7.7 7.7 7.0 3.3 5.7 6.4 7.2 6.4 7.0 6.3 6.1 6.7 4.7 6.3 VILLA (IS-AC 1) 5.8 96.0 8.3 7.7 7.7 4.3 7.7 7.0 7.0 3.0 5.6 6.9 7.0 6.7 6.8 6.7 6.4 5.7 4.0 6.3 DECLARATION 5.7 97.7 8.3 3.3 5.7 2.7 4.0 6.3 4.2 4.0 5.0 6.3 6.8 6.4 7.0 6.6 6.4 5.8 4.7 6.2 TYEE (SRX 1GD) 4.8 96.3 5.7 3.0 5.3 3.0 4.3 4.7 3.9 2.3 4.8 6.3 6.7 6.6 7.2 6.7 6.3 5.8 4.0 6.1 007 (DSB) 5.6 96.3 8.3 3.0 4.3 2.7 4.3 4.7 3.7 3.3 4.9 6.1 6.7 6.3 6.9 6.3 6.3 5.8 4.0 6.0 13-M 5.1 93.0 7.7 2.7 5.3 2.3 5.0 4.7 3.8 2.3 5.1 6.4 6.7 6.6 6.7 6.1 6.0 5.5 4.0 6.0 T-1 5.1 93.3 8.7 2.7 5.0 3.3 5.3 4.3 3.9 3.3 4.7 6.6 6.9 6.7 6.9 6.3 6.0 5.2 3.7 6.0 LS-44 5.6 93.3 9.0 3.3 5.0 2.0 4.7 4.7 3.8 3.3 5.0 6.7 7.1 6.2 6.8 6.0 5.7 5.0 3.3 5.9 MACKENZIE (SRX 1GPD) 5.7 93.3 6.7 3.3 6.0 2.7 4.7 5.3 4.2 2.0 5.0 6.0 6.3 6.7 6.8 6.4 6.1 5.7 3.7 5.9 MEMORIAL (A03-EDI) 6.0 94.7 9.0 3.0 4.7 2.7 4.7 5.3 3.9 4.0 5.2 6.3 6.6 6.3 6.4 6.2 5.9 5.3 4.0 5.9 BENCHMARK DSR 5.3 96.3 7.3 2.7 4.7 2.0 5.3 4.3 3.6 3.0 4.9 6.3 6.8 6.2 6.2 6.1 5.9 4.8 3.7 5.8 COBRA 2 (IS-AP 9) 4.8 93.3 8.7 3.3 5.0 2.7 4.7 4.7 3.9 3.3 4.7 6.6 6.9 6.2 6.7 6.4 5.6 4.7 2.7 5.8 CY-2 4.4 96.3 8.3 4.0 5.0 3.0 4.7 6.0 4.4 3.0 4.2 5.8 6.9 6.2 6.7 6.3 5.8 5.7 4.0 5.8 INDEPENDENCE 5.2 85.0 9.0 4.0 5.3 2.7 5.0 5.7 4.4 4.0 4.8 5.8 6.7 6.4 6.9 5.9 5.7 5.2 4.0 5.8 SHARK (23R) 4.8 94.7 8.0 3.7 5.0 2.7 4.0 5.3 4.1 2.7 4.8 6.1 6.3 6.2 6.8 6.2 6.0 5.2 4.0 5.8 AUTHORITY (235050) 4.7 93.3 7.3 3.7 4.7 3.0 3.7 5.3 4.0 3.0 4.6 6.0 6.4 6.2 7.0 6.1 6.0 4.8 3.7 5.7 KINGPIN (9200) 5.2 96.3 9.0 3.7 4.0 2.3 4.7 4.7 3.8 3.0 4.8 6.2 6.3 5.9 6.4 6.2 6.1 5.0 3.7 5.7 PENN A-1 4.1 96.3 7.7 3.3 3.7 3.3 4.0 4.7 3.7 2.7 4.4 6.0 6.9 6.1 6.3 6.2 6.0 5.3 3.3 5.7 ALPHA 5.0 91.3 8.3 3.7 5.3 2.3 4.7 4.7 4.1 3.3 4.7 6.0 6.4 6.1 6.1 6.1 5.4 4.7 3.0 5.6 BENGAL 5.4 81.7 8.3 3.7 4.7 3.0 4.3 4.7 4.0 4.7 4.9 6.1 6.2 5.9 5.9 5.7 5.4 5.8 4.0 5.6 SR 7200 6.0 91.7 9.0 5.3 7.0 3.7 6.3 6.0 5.6 3.0 4.8 5.9 6.2 5.4 5.7 5.9 5.7 5.0 3.7 5.4 PENNLINKS II 4.7 93.3 9.0 2.7 3.7 2.7 4.7 4.3 3.4 3.0 4.2 5.9 5.8 5.4 5.8 5.9 5.3 4.7 3.0 5.2 PENNCROSS 4.6 76.7 9.0 4.0 4.0 2.7 4.7 4.3 3.9 3.0 3.9 5.6 5.6 5.0 5.0 5.2 4.9 4.3 2.7 4.8 LSD VALUE 2.8 8.0 2.2 1.2 1.0 1.0 0.8 1.3 0.8 2.6 4.3 1.1 0.6 1.0 0.7 1.9 0.8 0.6 0.8 0.3 C.V. (%) 31.8 4.9 13.3 19.4 12.2 20.1 10.7 14.7 19.6 28.3 35.7 13.4 9.6 13.9 11.4 16.8 12.7 10.0 12.3 6.6 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.