TABLE 5. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (FAIRWAY) TEST AT EAST LANSING, MI 1/ 2002 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT PERCENT LEAF DENSITY DENSITY COVER COVER COVER DOLLAR QUALITY RATINGS NAME TEXTURE SPRING SUMMER SPRING SUMMER FALL SPOT APR MAY JUN JUL AUG MEAN SRX 1BPAA 7.0 5.3 7.0 91.7 93.3 94.7 8.0 4.0 5.0 5.7 8.0 7.7 5.7 L-93 7.3 5.7 6.7 90.0 91.7 96.3 8.0 4.3 5.0 6.3 7.3 6.3 5.5 SR 7100 7.3 5.0 7.0 93.3 93.3 93.3 8.0 4.0 5.0 5.0 7.7 7.3 5.5 CENTURY 7.0 5.0 6.7 91.7 91.7 91.7 5.7 4.0 5.0 5.0 7.3 7.0 5.4 GRAND PRIX 7.3 5.3 6.3 94.7 91.7 91.7 8.0 4.3 5.0 5.7 6.7 6.7 5.4 IMPERIAL 8.0 5.0 7.0 93.3 91.7 93.3 5.7 4.0 5.0 5.0 7.7 6.7 5.4 SR 1119 7.7 5.0 6.3 93.0 91.7 93.3 8.0 4.3 5.0 5.0 6.7 7.0 5.4 TRUELINE 7.3 5.0 6.3 93.0 91.7 93.3 8.0 4.0 5.7 5.0 6.7 6.7 5.4 BRIGHTON (SRX 1120) 7.3 5.0 6.3 94.7 90.0 95.0 8.0 4.0 5.0 5.0 6.7 6.7 5.3 GLORY (PST-9HG) 7.3 5.0 6.3 91.7 91.7 90.0 8.0 4.3 5.0 5.0 6.7 6.7 5.3 PENN G-6 7.3 5.0 6.3 93.0 93.0 91.7 8.0 4.0 5.0 5.0 6.7 6.7 5.3 PENNCROSS 7.3 5.0 6.3 91.7 90.0 94.7 8.0 4.0 5.0 5.0 6.7 7.0 5.3 PENNEAGLE 7.3 5.0 6.3 93.0 93.3 93.3 8.0 4.3 5.0 5.0 6.7 6.7 5.3 PST-9PM 7.7 5.0 6.0 90.0 93.0 91.7 8.0 4.3 5.3 5.0 6.0 6.7 5.3 SEASIDE 7.3 5.0 7.0 88.3 91.7 93.3 8.0 4.0 5.0 5.0 7.0 6.7 5.3 SR 7150 (SRX 7MODD) 7.3 5.0 6.3 91.7 93.3 93.3 8.0 4.0 5.0 5.0 6.7 6.3 5.3 BACKSPIN 7.3 5.0 6.0 96.3 93.3 91.7 8.0 4.0 5.0 5.0 6.0 6.3 5.2 GOLFSTAR 7.3 5.0 6.0 91.7 91.7 91.7 8.0 4.0 5.0 5.0 6.0 6.3 5.2 PRINCEVILLE 7.7 5.0 6.0 93.0 93.0 91.7 5.7 4.0 5.3 5.0 6.0 6.3 5.2 PENNLINKS II (PST-OVN) 7.3 5.0 6.0 90.0 96.3 90.0 5.7 4.0 5.0 5.0 6.0 6.3 5.2 SEASIDE II 7.3 5.0 6.0 93.3 93.3 91.7 8.0 4.0 5.0 5.0 6.0 6.7 5.2 SRX 7MOBB 7.0 5.0 6.0 94.7 94.7 91.7 5.7 4.0 5.0 5.0 6.0 6.3 5.2 TIGER 7.7 5.0 6.0 96.3 93.3 93.3 8.0 4.0 5.0 5.0 6.0 6.3 5.2 TIGER II (CIS AT-5) 7.7 5.0 6.0 94.7 95.0 90.0 8.0 4.0 5.0 5.0 6.0 6.3 5.2 ABT-COL-2 7.7 5.0 6.0 90.0 91.7 91.7 8.0 4.0 5.0 5.0 6.0 6.0 5.1 PROVIDENCE 7.0 5.0 6.3 93.3 90.0 90.0 8.0 4.0 5.0 5.0 6.0 6.0 5.1 LSD VALUE 2.0 0.4 1.4 12.3 11.1 8.7 5.1 1.0 0.4 0.9 2.5 2.6 0.6 C.V. (%) 7.1 3.9 8.2 4.0 3.3 3.0 21.5 6.9 3.9 7.6 14.1 11.2 4.0 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. 2002 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 MI1 SANDY LOAM 7.1-7.5 61-150 151-240 4.1-5.0 FULL SUN 0.0-0.5 TO PREVENT DORMANCY