TABLE 4E. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1997 USGA/GCSAA/NTEP ON-SITE BENTGRASS TEST AT MURRIETA, CA (SCGA MEMBERS CLUB) 1/ 1998-2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ TURFGRASS STIMPMETER READINGS MEASURED IN INCHES STIMPMETER READINGS PERCENT POA ANNUA RATINGS SUMMER FALL WINTER GENETIC LEAF MARCH SEP OCT DEC 1998 1999 1998-01 QUALITY RATINGS NAME COLOR TEXTURE 2000-01 2001 2000 2000-01 2000 2001 JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN PENN A-4 7.6 8.0 13.3 26.7 13.3 23.3 115.8 109.5 128.2 7.8 7.8 7.8 8.0 8.0 7.9 7.8 7.7 7.7 7.7 7.4 7.5 7.7 CENTURY 7.3 7.7 37.5 33.3 33.3 46.7 115.0 108.8 131.8 7.2 7.2 7.3 7.5 7.7 7.2 7.5 7.6 7.5 7.1 7.1 7.1 7.3 PENN A-1 7.4 7.9 36.7 25.0 31.7 35.0 112.8 110.3 134.3 7.7 7.3 7.0 7.3 8.0 7.2 7.3 7.7 7.2 6.8 7.2 7.2 7.2 PENN G-1 7.4 7.6 30.8 41.7 25.0 36.7 116.2 110.2 131.6 7.3 7.3 7.3 7.5 7.7 7.3 7.3 7.4 7.3 6.8 7.0 7.0 7.2 GRAND PRIX (LCB-103) 7.3 7.6 41.7 33.3 35.0 42.5 113.5 103.5 131.6 7.3 7.1 7.0 7.2 7.7 7.2 7.3 7.7 7.3 6.7 6.9 7.0 7.1 PENN G-6 7.3 7.6 27.5 48.3 21.7 28.3 117.7 105.2 128.6 7.0 7.1 7.0 7.2 8.0 7.2 7.3 7.6 7.2 6.8 6.9 6.9 7.0 BACKSPIN 7.3 7.2 44.2 41.7 36.7 45.8 115.5 107.2 132.7 7.0 7.0 7.0 7.0 7.0 7.0 7.3 7.3 7.0 6.6 6.9 6.9 6.9 IMPERIAL 7.3 7.0 48.3 55.0 46.7 55.8 119.8 107.7 134.0 7.0 7.0 7.0 6.8 7.0 7.0 7.2 7.3 7.0 6.4 7.0 6.8 6.9 L-93 7.2 7.0 52.5 58.3 55.0 54.2 120.8 109.7 133.4 7.0 7.0 7.0 7.2 7.0 7.0 7.1 7.6 6.8 6.7 6.8 6.8 6.9 SR 1119 7.2 7.1 60.0 61.7 60.0 58.3 113.5 109.5 133.2 6.8 7.0 7.0 7.0 7.3 7.0 7.2 7.2 7.0 6.7 6.7 6.8 6.9 CATO 7.0 6.9 68.3 60.0 58.3 62.5 121.0 113.2 134.6 7.0 6.8 7.0 6.8 7.0 7.0 6.8 7.6 6.7 6.3 6.7 6.8 6.8 CRENSHAW 7.0 7.0 59.2 45.0 58.3 50.8 116.5 113.5 136.6 7.0 6.8 6.8 6.8 7.0 6.9 7.3 7.2 7.0 6.3 6.8 6.8 6.8 PROVIDENCE 7.1 6.7 57.5 61.7 46.7 59.2 110.5 113.2 133.1 7.0 6.8 7.0 6.8 7.0 6.9 7.1 7.2 6.8 6.3 6.7 6.8 6.8 SR 1020 6.8 7.0 60.0 65.0 51.7 65.0 116.7 112.3 133.8 7.0 6.9 6.8 7.0 7.0 6.7 6.8 7.3 6.7 6.2 6.6 6.8 6.7 TRUELINE 7.1 6.8 55.0 61.7 41.7 60.0 117.0 110.5 133.8 7.0 6.9 6.8 6.7 7.0 6.7 7.0 7.2 6.5 6.3 6.7 6.8 6.7 PUTTER 6.9 6.8 66.7 65.0 58.3 67.5 112.8 109.8 133.3 6.8 6.8 6.7 6.5 7.0 6.7 6.7 7.2 6.2 6.3 6.6 6.8 6.6 VIPER 6.7 6.7 74.2 71.7 70.0 71.7 120.5 112.2 135.3 7.0 6.9 6.8 6.5 7.0 6.8 6.8 6.8 6.8 6.3 6.3 6.7 6.6 PENNCROSS 6.6 6.7 80.8 76.7 75.0 74.2 115.8 107.7 130.4 6.2 6.6 6.7 6.5 7.0 6.3 6.3 6.2 6.3 5.8 6.2 6.2 6.2 LSD VALUE 0.6 0.5 18.5 15.5 14.2 13.1 64.4 14.4 54.3 0.3 0.4 0.5 0.5 0.4 0.3 0.8 1.2 2.2 0.4 0.4 0.6 0.4 C.V. (%) 8.4 7.9 32.9 18.8 20.0 23.4 17.8 6.1 17.6 4.2 5.8 5.3 5.9 3.6 5.4 11.4 11.9 14.5 7.3 6.6 9.0 7.1 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.