TABLE 21. MEAN TURFGRASS QUALITY RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (GREENS) TEST AT PUYALLUP (WITHOUT FUNGICIDES), WA 1/ 2001 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN BAR CB 8US3 5.3 5.7 4.7 5.3 5.3 5.3 4.3 4.7 6.0 5.3 5.7 5.0 5.2 VESPER (PICK MVB) 6.7 5.7 5.0 5.3 6.3 6.0 3.7 3.3 4.0 5.7 6.0 4.0 5.1 PROVIDENCE 5.0 4.7 4.0 4.7 5.3 5.0 4.7 4.3 5.3 5.3 5.0 5.0 4.9 PST-A2E 5.3 6.0 4.7 4.0 5.0 5.7 4.3 4.0 6.0 5.0 5.0 4.3 4.9 SR 7200 6.3 5.0 4.3 4.0 4.7 4.3 4.3 5.0 4.7 5.7 4.7 4.7 4.8 SRX 1BPAA 5.3 5.3 4.3 5.0 5.3 4.7 4.0 3.7 5.7 5.0 4.3 4.3 4.8 BRIGHTON (SRX 1120) 5.7 5.0 4.0 4.3 4.3 5.0 4.7 4.0 5.3 4.7 4.3 4.7 4.7 BENGAL (BAR AS 8FUS2) 4.7 5.0 4.3 4.3 4.3 5.0 4.7 4.0 5.0 5.0 4.7 4.0 4.6 PENN G-1 4.0 4.7 4.3 4.0 5.0 5.0 4.0 3.7 6.0 4.7 5.0 4.3 4.6 PENN G-6 4.3 4.7 5.0 4.0 5.7 5.0 4.3 3.3 5.7 4.3 4.7 3.7 4.6 SYN 96-1 5.0 5.3 5.3 4.0 5.7 5.0 4.3 3.7 5.3 4.0 4.0 3.7 4.6 IMPERIAL 4.7 6.0 4.0 4.0 5.3 4.7 3.7 4.0 6.0 4.0 4.0 4.0 4.5 PICK CB 13-94 4.3 4.3 4.3 5.3 5.0 4.3 4.0 3.7 5.3 4.7 4.3 4.0 4.5 CENTURY 4.3 5.0 4.3 4.0 5.0 4.3 4.0 3.0 5.7 4.7 3.7 4.3 4.4 L-93 4.0 4.7 3.7 3.7 4.7 4.7 4.7 4.3 5.0 4.7 4.7 4.3 4.4 PENN A-2 4.3 5.7 4.0 4.0 4.7 4.3 4.7 4.0 5.0 4.0 3.7 4.3 4.4 PENN A-4 5.0 5.3 5.0 4.0 5.7 5.0 4.0 3.3 5.0 4.3 3.3 3.3 4.4 SYN 96-3 4.3 6.0 5.7 4.3 5.3 4.3 4.3 2.7 4.7 4.0 3.0 3.7 4.4 BACKSPIN 5.7 4.7 3.7 4.0 5.0 4.3 4.0 3.3 5.0 4.0 3.7 4.0 4.3 ISI AP-5 4.7 4.3 3.7 4.0 5.3 4.7 4.0 3.3 5.0 4.3 3.7 4.3 4.3 SRX 1NJH 4.7 4.7 4.3 4.3 4.3 4.0 4.3 3.3 5.3 4.3 4.0 4.0 4.3 PENN A-1 4.3 4.3 4.3 4.0 5.3 4.0 4.0 3.7 5.3 4.0 3.3 4.0 4.2 ABT-CRB-1 5.0 5.0 3.7 4.0 4.3 4.0 4.0 3.0 5.0 4.0 3.7 3.7 4.1 SR 1119 5.3 4.7 4.0 4.3 4.3 3.3 3.7 3.3 5.0 4.3 3.3 4.0 4.1 SYN 96-2 4.7 5.0 5.0 3.7 5.0 3.7 3.7 3.3 4.3 3.7 3.3 3.3 4.1 CRENSHAW 4.7 4.0 3.0 3.7 3.7 4.0 4.0 3.7 5.3 4.3 3.7 4.0 4.0 PENNLINKS 4.0 4.3 3.3 4.3 3.7 3.7 4.3 4.0 4.0 3.7 4.3 4.0 4.0 PENNCROSS 4.3 3.0 3.3 4.0 3.7 4.0 4.0 4.3 4.0 4.0 4.3 4.0 3.9 BAVARIA 3.0 2.7 2.0 3.0 3.3 3.0 3.0 3.0 2.3 2.3 3.0 3.3 2.8 LSD VALUE 1.1 1.1 0.9 1.1 1.7 2.0 2.5 1.5 1.0 1.4 1.5 1.3 0.5 C.V. (%) 13.8 13.8 13.3 13.4 17.0 19.5 17.4 18.5 12.3 16.8 19.0 14.0 6.8 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 (GREEN) 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 SAND 6.1-6.5 0-60 151-240 6.1-7.0 FULL SUN 1/8-5/32 TO PREVENT STRESS