TABLE 3. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (GREENS) TEST AT AMES, IA 1/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING LEAF QUALITY RATINGS NAME COLOR GREENUP TEXTURE MAY JUN JUL AUG SEP OCT MEAN SYN 96-1 7.3 6.7 8.0 7.7 7.7 8.7 7.7 7.0 7.3 7.7 CRENSHAW 7.3 6.0 6.7 7.0 7.7 7.7 7.7 7.7 7.0 7.4 SYN 96-2 7.3 6.7 7.7 8.0 8.0 7.7 6.3 6.7 8.0 7.4 L-93 6.7 6.3 7.7 7.7 7.0 6.3 7.7 7.3 7.7 7.3 IMPERIAL 7.0 5.3 7.3 6.7 7.7 7.3 7.3 6.7 7.3 7.2 SYN 96-3 7.3 6.3 8.0 7.0 8.0 8.0 7.7 5.7 6.7 7.2 BENGAL (BAR AS 8FUS2) 6.7 5.7 6.7 7.3 6.0 7.7 7.7 6.3 7.3 7.1 PENN A-4 6.7 5.7 7.7 6.7 6.7 7.0 7.3 7.0 7.7 7.1 PENN G-1 7.0 5.7 7.0 6.7 6.7 7.0 7.3 7.0 6.7 6.9 PST-A2E 6.7 5.3 7.0 7.7 6.7 7.3 7.0 6.3 6.7 6.9 CENTURY 7.0 6.0 8.0 7.0 7.0 7.0 6.3 6.0 7.3 6.8 ABT-CRB-1 7.0 6.0 7.0 7.3 7.3 6.3 6.7 6.0 6.3 6.7 PENN A-2 6.7 6.0 7.0 5.7 6.3 7.0 6.7 7.0 7.0 6.6 BAR CB 8US3 6.3 5.3 6.3 6.3 6.3 6.3 7.0 6.3 6.7 6.5 PENN A-1 6.3 5.3 7.3 6.0 5.7 7.0 7.0 6.7 6.0 6.4 SRX 1NJH 6.7 5.3 6.3 6.0 6.0 6.3 6.3 6.7 7.0 6.4 ISI AP-5 6.3 5.7 6.3 6.7 6.7 6.3 6.0 5.7 6.7 6.3 PICK CB 13-94 6.0 5.7 5.7 6.7 5.7 6.0 6.7 6.7 6.3 6.3 BACKSPIN 6.3 4.7 7.0 5.7 6.0 6.7 7.0 6.3 5.7 6.2 PENN G-6 7.0 6.3 6.3 6.0 6.7 5.3 6.0 6.3 6.7 6.2 SR 1119 6.7 5.3 6.0 5.7 5.7 6.3 7.3 5.7 6.3 6.2 SRX 1BPAA 6.7 4.7 5.7 5.7 6.0 6.3 6.7 6.0 5.7 6.1 PROVIDENCE 6.3 5.7 6.0 5.3 6.3 5.7 5.7 6.3 6.7 6.0 BRIGHTON (SRX 1120) 6.7 5.7 6.0 6.0 6.0 5.3 6.0 6.3 6.0 5.9 PENNLINKS 6.0 4.0 5.0 5.0 4.7 5.3 5.0 5.0 5.0 5.0 PENNCROSS 5.7 4.3 5.7 5.0 4.0 5.3 5.0 4.7 5.0 4.8 VESPER (PICK MVB) 6.7 5.0 7.7 5.0 4.7 4.3 4.0 4.7 5.0 4.6 BAVARIA 5.7 4.3 5.3 4.0 4.3 4.7 4.3 5.0 4.7 4.5 SR 7200 6.3 4.3 7.3 4.3 4.3 4.0 4.3 4.7 5.3 4.5 LSD VALUE 1.6 1.2 0.8 0.9 1.1 1.1 1.5 1.2 1.3 0.7 C.V. (%) 9.5 12.5 7.7 9.1 11.6 10.8 13.7 11.5 11.8 7.0 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. 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 IA1 SILTY CLAY LOAM 7.1-7.5 0-60 241-375 3.1-4.0 FULL SUN 1/8-5/32 TO PREVENT STRESS