TABLE 10. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 1998 NATIONAL BENTGRASS (GREENS) TEST AT COLUMBIA, MO 1/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT COVER COVER DOLLAR PYTHIUM QUALITY RATINGS NAME SPRING SUMMER SPOT BLIGHT MAR APR MAY JUN JUL AUG SEP OCT MEAN BAR CB 8US3 96.0 98.0 4.7 8.0 3.3 5.0 5.0 4.7 6.0 7.3 7.3 6.7 5.7 PENN G-1 98.3 99.0 6.7 4.3 4.0 5.3 6.0 6.0 7.3 5.0 5.0 5.3 5.5 PENNLINKS 96.0 98.0 8.0 7.3 4.0 4.3 5.0 6.3 6.0 6.7 6.3 5.7 5.5 BENGAL (BAR AS 8FUS2) 91.3 99.0 8.0 4.7 3.7 4.3 5.0 6.3 7.7 4.7 5.3 6.3 5.4 L-93 95.7 99.0 6.7 4.0 3.3 5.0 6.0 6.3 7.7 5.0 3.0 5.0 5.2 PENNCROSS 94.3 98.0 8.3 7.3 3.7 4.3 5.0 5.3 5.0 6.0 6.0 5.7 5.1 SR 1119 95.7 98.7 6.7 6.3 2.7 4.0 4.7 6.3 6.7 5.7 5.7 5.0 5.1 BRIGHTON (SRX 1120) 94.0 98.7 4.7 6.0 3.0 4.3 4.7 5.0 5.7 5.7 5.7 6.3 5.0 CENTURY 81.0 99.0 5.3 4.7 2.7 4.0 4.7 5.0 6.7 5.3 5.7 5.7 5.0 PENN A-2 92.7 98.7 5.3 5.3 3.3 4.3 4.7 5.7 6.3 5.0 5.0 5.3 5.0 CRENSHAW 91.3 98.0 6.0 6.3 3.0 4.0 3.7 4.3 6.3 6.0 6.0 6.0 4.9 PENN A-1 79.3 98.0 6.7 6.3 2.7 3.3 4.0 5.3 6.3 6.0 5.7 6.0 4.9 PENN A-4 81.0 98.7 7.7 4.7 2.3 3.7 4.7 5.7 6.3 5.3 5.7 5.3 4.9 PENN G-6 74.3 97.7 7.0 4.7 2.3 3.3 3.7 6.0 7.0 5.3 5.3 6.3 4.9 SYN 96-1 78.3 98.7 6.0 5.3 3.0 3.7 4.0 5.3 6.0 6.0 5.7 5.3 4.9 SYN 96-3 89.3 98.0 8.0 3.7 3.0 3.7 4.0 5.3 5.3 5.3 5.0 5.0 4.6 BACKSPIN 73.3 98.0 7.0 4.7 2.0 3.3 3.7 5.3 6.3 4.7 5.0 5.7 4.5 PST-A2E 98.0 99.0 7.0 1.3 3.3 5.3 6.3 6.0 6.7 2.0 2.7 3.3 4.5 SRX 1BPAA 76.0 98.0 7.3 5.0 2.3 3.0 3.3 5.0 6.0 4.7 5.3 6.0 4.5 VESPER (PICK MVB) 80.0 96.0 7.3 4.0 2.7 3.7 4.0 5.7 5.7 4.3 5.0 5.0 4.5 BAVARIA 94.3 97.0 6.7 5.3 2.3 3.7 4.3 5.3 5.0 5.0 4.7 4.3 4.3 SR 7200 88.3 99.0 8.7 4.3 3.7 4.3 4.3 6.0 5.0 3.3 3.7 4.0 4.3 PICK CB 13-94 81.0 95.7 6.3 6.3 2.7 3.7 2.7 4.0 4.7 5.3 5.0 5.0 4.1 PROVIDENCE 70.0 95.7 8.0 4.7 2.3 3.0 3.3 5.0 5.3 3.7 4.7 5.7 4.1 ABT-CRB-1 60.0 97.7 8.0 4.7 1.7 2.3 3.0 3.7 5.7 5.0 4.7 4.3 3.8 SYN 96-2 44.7 83.0 6.7 5.0 1.7 2.0 3.3 3.7 4.7 4.7 5.0 5.0 3.8 ISI AP-5 86.7 95.7 8.0 2.7 2.3 3.7 4.0 4.7 5.3 3.0 3.0 3.3 3.7 IMPERIAL 61.7 96.0 8.3 3.3 2.0 2.7 2.7 4.3 5.7 3.7 3.7 3.7 3.5 SRX 1NJH 55.0 94.7 8.3 5.0 1.0 2.0 1.7 4.0 5.0 4.3 4.3 4.7 3.4 LSD VALUE 39.8 9.2 6.5 4.5 2.1 2.2 3.0 4.2 2.4 4.1 3.6 2.6 1.7 C.V. (%) 21.6 4.1 28.0 37.6 33.7 27.5 32.1 25.8 17.9 31.9 28.9 22.0 16.7 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 MO1 SAND 7.1-7.5 61-150 151-240 5.1-6.0 FULL SUN 1/8-5/32 TO PREVENT STRESS