TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (GREENS) TEST AT URBANA, IL 1/ 2002 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING DENSITY DENSITY DENSITY QUALITY RATINGS NAME COLOR GREENUP SPRING SUMMER FALL APR MAY JUN JUL AUG SEP OCT MEAN SYN 96-2 5.0 7.0 6.3 6.7 6.7 5.0 5.7 5.0 6.0 6.0 6.0 6.3 5.7 BENGAL (BAR AS 8FUS2) 5.0 6.0 6.0 6.7 6.7 5.7 5.0 5.0 5.0 6.0 6.0 6.3 5.6 L-93 5.7 6.3 6.7 6.3 6.3 6.0 4.7 5.3 5.3 6.0 5.7 5.7 5.5 PENN G-6 5.7 6.3 5.3 6.3 6.7 5.3 5.3 5.0 5.7 5.7 5.7 5.7 5.5 PENN A-1 5.7 6.7 5.7 6.0 7.0 6.0 5.0 5.0 5.0 5.7 5.3 6.0 5.4 PENN G-1 5.3 6.0 6.3 6.7 6.3 4.7 5.3 5.3 5.3 5.7 6.0 5.7 5.4 PICK CB 13-94 5.7 7.0 5.0 6.3 6.0 5.7 5.7 4.7 5.0 5.7 5.3 5.7 5.4 SRX 1NJH 5.7 7.0 5.3 6.3 6.7 6.3 5.3 5.0 4.3 5.0 5.3 6.3 5.4 PENN A-4 5.3 6.0 6.0 6.7 6.0 4.7 5.3 5.0 6.0 5.3 5.0 5.7 5.3 SYN 96-1 5.0 6.0 4.0 6.7 7.0 4.0 5.3 5.3 5.7 5.3 5.3 6.0 5.3 SYN 96-3 5.3 6.3 5.0 6.7 6.3 4.0 4.7 4.3 5.7 6.3 6.3 5.7 5.3 IMPERIAL 5.0 6.3 6.0 6.3 6.0 4.0 4.7 5.3 5.3 5.0 6.0 6.0 5.2 ISI AP-5 5.7 6.0 6.0 6.7 6.7 5.0 4.7 4.7 5.0 6.0 5.7 5.7 5.2 PENN A-2 6.0 6.3 5.3 6.3 6.0 5.3 5.0 4.7 4.3 6.0 5.3 5.7 5.2 BRIGHTON (SRX 1120) 6.0 6.7 5.7 5.7 5.7 5.0 5.3 4.3 4.3 5.0 5.7 6.3 5.1 BAR CB 8US3 6.0 6.0 5.7 7.0 6.3 4.7 4.0 5.0 5.0 5.3 5.7 5.7 5.0 CENTURY 5.0 5.7 5.3 6.0 6.0 3.7 4.7 5.3 5.3 5.3 5.3 5.3 5.0 PROVIDENCE 6.3 5.7 6.0 6.0 5.7 4.3 4.0 4.7 5.3 5.3 5.3 5.7 5.0 CRENSHAW 6.0 6.3 5.0 6.0 6.7 4.3 4.0 4.3 5.0 5.3 5.3 5.7 4.9 PST-A2E 6.0 6.7 5.3 7.0 6.7 5.0 5.0 4.7 5.0 5.0 4.7 5.0 4.9 BACKSPIN 5.0 5.7 4.3 6.7 5.7 4.0 4.0 4.0 4.7 5.3 5.3 6.3 4.8 SR 1119 5.7 6.0 5.3 5.7 5.7 5.0 4.0 4.3 4.0 5.3 5.3 5.3 4.8 SRX 1BPAA 5.7 6.0 4.0 5.7 5.7 5.0 4.0 4.3 4.3 5.0 5.0 5.0 4.7 ABT-CRB-1 6.0 6.7 4.0 6.3 7.3 4.7 3.7 4.0 3.7 5.3 5.7 5.3 4.6 PENNLINKS 4.7 6.0 4.7 5.0 5.3 5.0 4.0 4.7 5.3 4.0 5.0 4.3 4.6 PENNCROSS 4.7 5.7 5.0 4.3 4.7 4.3 4.3 4.3 5.0 4.0 4.0 5.0 4.4 SR 7200 6.0 7.3 4.0 8.0 4.7 5.3 3.7 3.7 3.3 4.3 4.0 3.3 4.0 VESPER (PICK MVB) 7.0 7.3 3.3 8.3 4.0 4.3 3.7 3.3 3.0 3.3 3.7 3.3 3.5 BAVARIA 5.7 6.3 3.3 6.3 4.7 4.0 3.3 3.0 3.0 3.0 3.7 4.0 3.4 LSD VALUE 0.7 1.4 1.8 1.4 1.8 1.9 0.9 2.2 0.9 1.3 1.4 1.1 0.6 C.V. (%) 7.5 9.9 18.3 12.1 14.9 18.1 11.9 18.7 11.7 14.4 14.0 11.9 7.2 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 (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 IL1 SILT LOAM AND SILT 6.1-6.5 0-60 376-500 3.1-4.0 FULL SUN 0.0-0.5 TO PREVENT STRESS