TABLE 9. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (GREENS) TEST AT EAST LANSING, MI 1/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT PERCENT BROWN GRAY GENETIC SPRING LEAF DENSITY DENSITY DENSITY COVER COVER COVER PATCH SNOW QUALITY RATINGS NAME COLOR GREENUP TEXTURE SPRING SUMMER FALL SPRING SUMMER FALL (W.TEMP.) MOLD APR MAY JUN JUL AUG SEP OCT NOV MEAN L-93 7.3 7.0 7.3 7.0 7.7 6.7 93.3 93.3 90.0 7.3 5.0 7.0 7.3 7.0 7.0 7.7 8.0 7.3 7.7 7.4 SYN 96-2 7.3 6.7 8.0 6.7 7.7 7.0 95.0 95.0 95.0 7.7 5.7 7.0 7.0 7.0 7.0 7.7 7.7 7.7 7.3 7.3 CENTURY 7.0 7.0 7.0 7.0 7.7 7.0 95.0 90.0 90.0 7.0 4.0 6.3 7.0 7.0 7.0 7.3 7.7 7.7 7.3 7.2 IMPERIAL 7.0 7.0 7.3 7.0 7.7 7.3 93.3 85.0 88.3 7.7 6.0 6.7 6.7 6.7 7.0 7.0 7.7 8.0 8.0 7.2 PENN A-1 7.0 7.0 7.7 6.7 8.0 7.3 93.3 91.7 90.0 6.3 6.3 7.0 7.0 7.0 7.0 7.3 7.7 7.7 7.0 7.2 PICK CB 13-94 7.7 7.0 7.0 7.0 7.3 7.0 95.0 86.7 88.3 8.3 4.7 7.0 7.0 7.0 7.0 7.7 7.7 7.3 7.0 7.2 SYN 96-3 7.0 7.0 8.0 7.0 7.3 7.0 95.0 95.0 95.0 8.3 5.0 6.7 7.0 7.0 7.0 7.3 7.3 7.7 7.3 7.2 BAR CB 8US3 7.3 7.0 7.7 6.7 7.3 7.3 95.0 90.0 91.7 7.0 5.0 7.0 7.0 7.0 7.0 7.0 7.7 7.3 7.0 7.1 BRIGHTON (SRX 1120) 8.0 7.0 7.3 6.7 7.0 7.0 88.3 88.3 88.3 8.7 4.3 6.7 6.7 7.0 6.7 7.7 7.0 7.7 7.3 7.1 PENN A-2 8.0 7.0 8.0 7.0 8.0 7.7 91.7 93.3 93.3 7.0 6.0 6.7 6.7 6.7 6.7 7.0 8.0 7.7 7.7 7.1 PENN G-1 7.0 7.0 7.7 6.7 7.3 7.3 93.3 91.7 88.3 6.3 5.0 6.7 6.7 6.7 7.0 7.0 7.7 7.7 7.3 7.1 PENN G-6 7.7 7.0 7.7 6.7 8.0 7.7 93.3 95.0 95.0 8.0 4.7 6.3 6.7 6.7 7.3 7.7 7.7 7.3 7.3 7.1 PST-A2E 7.0 7.0 7.7 6.7 7.0 7.0 93.3 88.3 88.3 5.3 4.0 6.7 6.7 6.7 6.7 7.0 7.7 8.0 7.3 7.1 PENNLINKS 7.0 7.0 7.3 7.0 7.3 7.3 90.0 91.7 91.7 8.0 5.3 6.7 6.7 6.7 6.7 7.3 7.3 7.7 7.0 7.0 PROVIDENCE 7.3 7.0 7.3 6.7 7.3 7.3 95.0 88.3 88.3 7.0 4.7 7.0 7.0 7.0 6.7 6.3 7.3 7.7 7.0 7.0 SR 1119 7.0 7.0 7.7 7.0 8.0 7.3 93.3 90.0 90.0 7.3 4.3 7.0 7.0 7.0 7.0 7.0 7.0 7.3 6.7 7.0 SRX 1BPAA 6.7 7.0 7.3 6.7 7.0 7.0 93.3 86.7 86.7 7.0 6.0 6.7 6.7 6.7 6.3 7.0 7.3 8.0 7.7 7.0 SRX 1NJH 8.0 6.7 7.3 7.0 7.7 7.7 91.7 86.7 86.7 8.0 5.3 6.7 7.0 7.0 7.0 7.3 7.0 7.3 7.0 7.0 ABT-CRB-1 7.3 6.7 7.7 6.3 7.3 6.7 88.3 91.7 90.0 7.3 6.0 6.0 6.3 6.7 7.0 7.3 7.3 7.3 7.3 6.9 BAVARIA 7.3 6.7 7.3 7.0 7.3 7.0 93.3 81.7 81.7 7.3 6.0 6.7 6.7 6.7 6.7 6.7 7.0 7.3 7.3 6.9 BENGAL (BAR AS 8FUS2) 8.0 6.7 8.0 7.0 7.3 7.0 90.0 93.3 91.7 8.0 5.7 6.3 6.3 6.3 6.3 7.3 8.0 7.3 7.0 6.9 CRENSHAW 6.7 6.7 7.7 6.7 7.7 7.0 91.7 88.3 88.3 6.7 4.7 6.0 6.7 6.7 7.0 7.0 7.3 7.3 7.3 6.9 ISI AP-5 7.0 7.0 7.7 6.7 7.3 7.3 93.3 86.7 90.0 6.3 4.0 6.7 6.7 6.7 6.7 7.3 7.7 6.7 7.0 6.9 PENN A-4 7.3 6.7 7.7 7.0 7.7 7.7 90.0 93.3 93.3 5.7 6.0 6.3 6.7 6.7 6.3 7.3 7.7 7.7 6.7 6.9 SYN 96-1 7.3 7.0 7.0 6.7 7.7 7.3 91.7 93.3 90.0 8.0 6.0 6.3 6.3 6.7 6.7 7.0 7.7 7.3 7.3 6.9 PENNCROSS 7.3 7.0 7.7 6.7 7.0 7.0 91.7 88.3 88.3 7.3 5.3 6.7 6.7 6.7 6.7 7.0 7.0 7.0 6.7 6.8 BACKSPIN 6.0 6.7 6.7 6.7 7.0 6.7 93.3 81.7 81.7 5.7 4.0 6.3 6.0 6.3 6.3 6.0 7.0 7.7 7.0 6.6 SR 7200 7.3 6.7 7.3 6.7 7.3 7.3 91.7 81.7 85.0 5.7 3.7 6.3 6.3 6.3 6.3 6.7 6.7 7.0 6.3 6.5 VESPER (PICK MVB) 6.0 6.7 7.3 5.7 6.0 6.0 83.3 80.0 80.0 7.3 3.7 5.3 5.0 6.0 6.3 6.0 6.3 6.7 7.0 6.1 LSD VALUE 1.2 1.3 1.7 1.2 1.3 1.5 8.3 7.8 8.1 1.8 6.3 1.5 1.5 1.4 1.2 1.0 0.9 2.2 1.0 0.7 C.V. (%) 8.0 4.9 7.4 6.4 7.6 7.7 3.8 4.8 4.7 13.1 33.4 8.6 8.9 6.6 6.3 7.0 6.1 8.5 6.3 4.5 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 MI1 SANDY LOAM 7.1-7.5 61-150 151-240 4.1-5.0 FULL SUN 1/8-5/32 TO PREVENT DORMANCY