TABLE 16. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (FAIRWAY) TEST AT PUYALLUP (WITHOUT FUNGICIDES), WA 1/ 2002 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN TIGER II (CIS AT-5) 5.7 6.0 4.7 6.0 7.0 7.7 6.7 7.3 7.7 7.3 7.0 7.0 6.7 ABT-COL-2 5.7 5.0 4.7 6.3 7.0 7.7 6.7 7.7 7.0 7.7 6.3 5.7 6.4 GLORY (PST-9HG) 5.3 5.0 4.0 5.7 6.7 7.3 6.7 7.3 7.0 7.3 7.0 6.3 6.3 SR 7100 4.7 5.0 4.3 5.3 6.7 7.7 6.7 7.0 7.0 6.7 6.3 5.3 6.1 SRX 7MOBB 4.0 4.3 3.3 5.3 6.0 8.0 6.7 7.0 7.0 7.3 7.0 6.0 6.0 SR 7150 (SRX 7MODD) 4.3 3.7 4.0 5.3 6.3 8.3 6.7 5.7 7.0 7.7 7.0 4.7 5.9 PST-9PM 4.3 4.0 3.3 4.0 5.7 7.3 5.0 6.0 6.7 6.7 7.0 5.3 5.4 GRAND PRIX 4.7 3.7 4.3 4.7 4.7 5.7 6.0 6.0 5.3 6.7 6.0 6.0 5.3 IMPERIAL 4.3 4.0 5.0 4.3 5.3 5.7 5.0 5.3 6.7 6.7 6.0 5.7 5.3 SR 1119 4.3 4.7 4.3 4.3 5.0 5.0 5.0 5.3 6.0 6.3 5.7 6.0 5.2 TIGER 4.3 4.0 4.0 4.3 5.7 7.3 4.7 6.3 5.7 5.7 6.0 4.3 5.2 CENTURY 4.3 4.3 4.0 4.0 4.3 5.7 4.7 5.0 5.7 7.0 6.7 5.7 5.1 PENN G-6 4.0 3.7 4.3 4.3 5.0 5.3 5.3 5.0 6.3 6.0 6.3 5.3 5.1 SEASIDE II 4.3 4.0 4.0 4.7 5.3 5.0 4.3 4.3 5.0 6.3 6.3 6.0 5.0 BACKSPIN 4.7 4.3 3.7 3.7 4.0 4.7 5.0 5.0 6.0 6.7 6.0 5.3 4.9 PROVIDENCE 4.7 4.0 4.0 4.0 4.3 5.0 4.7 5.0 5.3 6.3 6.0 5.7 4.9 TRUELINE 3.7 3.7 3.7 4.0 4.7 5.7 4.7 5.3 5.7 6.0 6.0 5.7 4.9 L-93 4.7 3.7 3.7 3.7 4.3 5.0 4.7 5.0 5.3 6.0 6.0 5.7 4.8 PENNCROSS 4.7 5.0 4.3 4.3 4.0 4.7 4.7 4.7 5.3 5.7 5.3 4.7 4.8 PRINCEVILLE 4.3 3.3 3.7 4.0 4.7 5.7 5.0 5.3 5.3 5.7 5.7 4.7 4.8 BRIGHTON (SRX 1120) 4.0 4.0 3.7 4.0 4.0 5.0 4.3 4.3 5.0 6.0 6.3 6.0 4.7 SRX 1BPAA 4.3 3.7 3.7 3.7 3.7 4.0 4.3 4.3 5.7 5.7 6.3 5.3 4.6 PENNEAGLE 3.7 4.0 3.7 4.0 4.3 4.7 4.3 4.7 4.7 5.7 4.7 4.7 4.4 GOLFSTAR 3.7 3.0 3.0 4.0 4.3 6.0 4.0 4.0 4.3 5.3 4.3 3.3 4.1 SEASIDE 4.0 3.7 3.0 3.7 3.0 3.7 3.3 3.7 3.7 6.0 4.3 4.3 3.9 PENNLINKS II (PST-OVN) 4.0 4.0 3.0 3.7 3.0 4.0 3.3 3.3 4.0 5.0 4.3 4.0 3.8 LSD VALUE 1.2 1.7 1.5 1.2 1.3 1.3 1.1 1.2 1.2 1.4 1.1 1.4 0.5 C.V. (%) 13.4 18.9 17.3 15.8 16.1 14.6 13.7 14.1 12.6 11.5 11.0 14.7 5.9 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 WA4 SILT LOAM AND SILT 5.6-6.0 61-150 151-240 4.1-5.0 FULL SUN 0.6-1.0 TO PREVENT STRESS