TABLE 3. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 2008 NATIONAL BENTGRASS (FAIRWAY) TEST GROWN UNDER SHADE AT CARBONDALE, IL 1/ 2012 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT COVER COVER QUALITY RATINGS NAME SUMMER FALL MAR APR MAY JUN JUL AUG SEP OCT NOV MEAN DECLARATION 72.3 63.0 6.3 6.7 6.7 7.0 7.3 7.7 7.7 8.0 8.3 7.3 MEMORIAL 57.7 65.3 4.7 5.3 5.7 6.0 5.7 7.0 7.3 6.7 7.3 6.2 A08-EBM 54.3 54.7 5.0 6.0 5.7 5.7 6.3 6.0 6.3 5.7 6.0 5.9 BCD 51.3 46.3 5.7 6.3 5.3 5.7 5.7 5.7 6.0 6.3 6.7 5.9 PURE SELECT (PST-OJD) 52.0 43.3 5.3 6.0 5.7 5.3 5.7 6.3 6.0 5.7 6.7 5.9 AUTHORITY 46.7 49.7 4.7 4.7 4.7 5.0 5.0 5.7 6.0 7.0 7.3 5.6 CRYSTAL BLUELINKS 36.3 56.7 4.0 5.0 4.7 4.7 5.7 5.7 6.0 6.7 7.0 5.5 TIGER II 47.0 53.3 4.7 6.0 5.7 5.3 4.7 5.3 5.7 6.0 6.3 5.5 PENNCROSS 51.7 61.7 4.0 5.0 4.7 5.0 5.3 6.0 6.0 6.3 6.0 5.4 A08-FT12 32.3 44.0 4.3 5.3 5.0 4.7 4.7 5.0 5.7 5.3 5.3 5.0 PST-R9D7 29.3 39.3 4.7 5.0 4.7 4.7 5.0 5.3 5.3 5.3 5.3 5.0 BARRACUDA (MVS-AP-101) 28.7 52.3 3.7 4.3 4.3 4.7 4.7 5.0 5.7 5.3 6.0 4.9 L-93 39.7 46.0 3.3 4.3 4.3 4.0 5.0 5.0 5.3 5.7 5.7 4.7 CY-2 35.0 32.0 3.7 5.0 4.7 4.3 4.0 5.0 4.7 5.0 5.0 4.6 PRINCEVILLE 37.7 38.7 3.0 4.0 4.0 4.3 4.3 5.0 5.3 5.7 6.0 4.6 PROCLAMATION (LTP-FEC) 37.3 48.3 4.0 4.3 4.3 4.0 4.3 4.7 5.0 4.7 5.7 4.6 T-1 31.0 38.3 3.3 4.3 4.3 4.3 5.0 5.0 4.7 5.7 5.0 4.6 007 37.3 44.7 3.7 4.3 4.0 4.0 4.3 5.0 5.0 5.0 5.3 4.5 PIN-UP (HTM) 26.0 32.0 3.3 4.0 4.0 3.7 3.7 4.0 4.0 5.0 5.0 4.1 LUMINARY (A08-TDN2) 20.0 28.0 4.0 3.7 3.7 4.0 3.7 4.0 4.7 4.3 4.3 4.0 BENCHMARK DSR 27.0 24.7 3.0 3.7 3.3 3.3 3.3 4.3 4.7 4.7 5.0 3.9 GREENTIME 13.7 19.0 3.7 4.3 3.7 3.7 2.7 3.7 4.3 3.7 4.0 3.7 SRP-1WM 6.3 3.3 2.7 3.0 2.7 2.0 2.3 2.3 2.0 2.7 2.3 2.4 LSD VALUE 55.6 36.9 1.4 1.9 2.4 2.4 2.6 2.6 2.3 3.0 2.9 2.1 C.V. (%) 57.4 41.2 19.9 20.7 24.1 25.9 27.3 24.8 22.7 25.3 25.3 21.9 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. 2012 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2008 NATIONAL BENTGRASS (FAIRWAY/TEE) 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 IL2 SILTY CLAY LOAM 6.1-6.5 0-60 151-240 2.1-3.0 DENSE SHADE 0.6-1.0 TO PREVENT STRESS