TABLE 3. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (FAIRWAY) TEST AT W. LAFAYETTE, IN 1/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ % POA GENETIC SPRING DENSITY DENSITY DENSITY ANNUA QUALITY RATINGS NAME COLOR GREENUP SPRING SUMMER FALL SPRING APR MAY JUN JUL AUG SEP OCT NOV MEAN CENTURY 6.7 4.7 7.0 7.0 7.7 3.0 6.0 6.3 7.0 7.0 6.7 6.3 6.0 5.3 6.3 GRAND PRIX 7.3 4.7 6.7 6.3 6.3 1.7 6.3 7.0 6.0 6.3 6.0 6.0 5.7 5.7 6.1 BACKSPIN 6.7 5.0 6.7 6.7 7.0 1.3 6.0 6.3 6.7 6.7 6.3 6.0 5.3 5.0 6.0 IMPERIAL 6.7 3.7 6.3 6.7 6.0 3.7 6.0 6.0 6.7 6.3 5.7 6.0 5.0 5.7 5.9 PENN G-6 6.7 3.7 6.0 6.7 6.0 5.0 6.0 5.3 6.0 6.0 5.7 6.0 6.0 6.0 5.9 L-93 6.7 2.3 6.3 5.7 6.7 2.3 6.0 6.0 5.7 6.0 5.7 5.3 5.7 5.7 5.8 TRUELINE 6.7 3.0 6.0 6.0 5.3 4.0 6.0 6.0 6.0 6.7 5.0 5.7 6.0 5.0 5.8 SEASIDE II 6.3 2.7 6.0 6.0 6.3 2.3 6.0 6.0 6.0 5.7 5.7 5.7 5.3 5.0 5.7 PROVIDENCE 7.0 3.0 6.3 6.0 6.3 4.3 5.3 5.3 6.0 5.7 5.7 6.0 5.7 5.0 5.6 PST-0VN 7.0 3.0 6.0 5.7 5.3 6.7 5.7 6.0 5.7 5.7 5.0 5.3 5.3 5.3 5.5 PRINCEVILLE 6.7 4.0 5.7 5.3 5.7 4.7 5.7 5.3 5.3 5.3 5.0 5.3 5.7 5.0 5.3 SR 1119 6.3 2.0 5.3 6.0 5.0 2.3 5.3 5.3 5.7 6.0 5.7 5.3 4.7 4.7 5.3 SRX 1BPAA 6.7 2.7 5.3 6.3 5.7 8.3 5.3 5.0 5.7 5.3 5.3 5.3 5.3 4.7 5.3 PENNCROSS 6.3 3.0 5.3 5.3 5.0 3.3 6.0 5.0 5.3 5.3 5.0 5.0 5.3 4.7 5.2 BRIGHTON (SRX 1120) 6.7 2.3 5.3 6.0 5.3 8.3 4.3 4.7 5.3 5.7 5.7 5.7 5.0 4.3 5.1 PENNEAGLE 5.7 2.3 5.7 5.0 5.0 4.0 5.0 4.7 4.7 4.7 5.0 5.0 4.7 4.3 4.8 ABT-COL-2 4.7 2.7 5.0 5.0 4.3 20.0 4.3 4.7 4.0 4.3 4.3 3.3 3.0 3.3 3.9 PST-9PM 6.0 1.7 4.7 4.7 5.3 28.3 3.3 4.0 3.3 4.0 3.7 3.7 3.7 3.7 3.7 GLORY (PST-9HG) 5.7 2.3 4.0 4.7 4.3 21.7 3.7 3.3 3.0 4.0 3.7 3.3 3.0 3.0 3.4 SEASIDE 6.3 3.0 4.0 3.3 2.3 20.0 3.7 3.3 3.0 3.7 3.3 3.3 4.3 2.7 3.4 SR 7100 5.3 3.0 4.3 5.0 4.7 26.7 3.7 3.3 3.7 3.7 3.7 2.7 3.3 3.0 3.4 TIGER II (CIS AT-5) 6.7 2.7 5.0 4.7 4.3 38.3 3.0 3.7 3.3 3.7 3.7 3.3 3.0 3.0 3.3 SRX 7MODD 6.7 2.3 4.3 5.0 4.7 33.3 3.0 3.7 3.0 3.3 3.3 3.3 3.7 2.7 3.3 SRX 7MOBB 7.0 2.0 4.0 4.3 3.3 30.0 3.0 3.3 2.7 3.3 3.0 2.7 3.3 2.3 3.0 TIGER 7.0 2.7 4.3 3.3 3.0 40.0 3.0 3.3 2.3 3.3 3.3 2.7 3.0 2.3 2.9 GOLFSTAR 6.7 2.0 4.0 3.7 2.7 25.0 3.3 3.3 3.0 3.0 2.7 2.0 2.3 2.3 2.8 LSD VALUE 1.6 2.0 1.2 1.3 1.3 14.1 1.7 1.5 1.4 0.9 0.9 1.0 0.8 1.0 0.8 C.V. (%) 11.3 33.6 13.6 14.6 16.6 66.1 20.8 18.5 18.6 12.0 13.0 14.5 11.9 15.4 11.4 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. TABLE A. 2001 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 1998 NATIONAL BENTGRASS (FAIRWAY/TEE) TEST SOIL SOIL SUN MOWING SOIL SOIL PHOSPHOROUS POTASSIUM NITROGEN OR HEIGHT IRRIGATION LOCATION TEXTURE PH (LBS/ACRE) (LBS/ACRE) (LBS/1000 SQ FT) SHADE (IN) PRACTICED IN1 SILT LOAM AND SILT 7.1-7.5 151-270 241-375 3.1-4.0 FULL SUN 0.0-0.5 TO PREVENT STRESS