TABLE 13C. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF VELVET BENTGRASS CULTIVARS GROWN ON A GREEN UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2009-13 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT THATCH PERCENT GENETIC SPRING DENSITY COVER MEASURE- ESTAB- QUALITY RATINGS NAME COLOR GREENUP SPRING FALL MENT LISHMENT MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN VILLA 5.3 7.9 9.0 90.0 27.0 46.7 6.5 6.8 6.9 7.1 7.1 7.3 7.5 6.7 5.9 5.0 6.9 SR 7200 5.0 7.6 9.0 80.0 22.0 46.7 5.7 5.9 5.3 5.7 5.5 5.5 6.0 5.5 5.4 5.7 5.6 LSD VALUE 1.0 1.0 0.9 20.4 3.6 13.2 0.8 0.8 0.7 0.6 0.5 0.4 0.4 0.4 0.4 0.9 0.3 C.V. (%) 7.9 10.3 0.0 0.0 2.9 0.0 4.7 12.6 16.4 14.1 10.8 9.4 11.3 14.1 12.3 15.3 6.3 TABLE 13C. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF VELVET BENTGRASS CULTIVARS (CONT'D) GROWN ON A GREEN UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2009-13 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ WEAR TOLERANCE RATINGS NAME 2009 JUN_2010 SEP_2010 OCT_2010 JUL_2011 AUG_2011 SEP_2011 VILLA 6.7 6.0 8.0 6.0 7.0 8.0 6.0 SR 7200 6.3 3.7 5.7 4.7 4.3 4.7 6.0 LSD VALUE 0.6 0.9 1.0 1.3 1.2 1.6 1.4 C.V. (%) 19.0 8.4 6.0 7.7 7.2 6.4 0.0 TABLE 13C. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF VELVET BENTGRASS CULTIVARS (CONT'D) GROWN ON A GREEN UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2009-13 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SCALPING YELLOW %PYTHIUM ROOT #CUTWORM WEAR TOLERANCE RATINGS RATINGS PATCH DYSFUCTION /BURROW NAME JUN_2012 SEP_2012 2009 2010 2012 2013 VILLA 7.7 7.7 6.3 8.0 50.0 62.3 SR 7200 6.7 6.7 6.3 8.0 28.3 58.3 LSD VALUE 1.9 1.1 1.6 2.5 22.0 13.0 C.V. (%) 9.9 17.1 11.2 8.8 40.7 8.5 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.