TABLE 3. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 2003 NATIONAL BENTGRASS (FAIRWAY) TEST AT LEMONT, IL 1/ 2007 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING WINTER PERCENT DOLLAR SPOT RATINGS QUALITY RATINGS NAME GREENUP COLOR MAY JUNE JULY APR MAY JUN JUL AUG SEP OCT NOV MEAN DECLARATION 7.3 5.3 3.7 1.0 13.3 7.7 7.7 8.3 6.0 9.0 5.7 8.7 7.7 7.6 MACKENZIE (SRX 1GPD) 7.0 6.3 0.3 2.3 18.3 8.0 7.7 7.7 5.7 8.3 6.0 8.3 8.0 7.5 13-M 8.0 7.0 3.7 0.7 11.7 7.0 7.3 8.3 6.0 8.7 6.7 8.0 7.3 7.4 KINGPIN (9200) 8.3 7.0 0.3 2.3 18.3 8.0 8.0 7.7 5.7 7.0 7.0 8.0 7.7 7.4 AUTHORITY (235050) 7.3 7.0 3.3 2.3 26.7 6.0 6.3 7.3 5.0 8.7 7.3 7.3 7.7 7.0 CRYSTAL BLUELINKS (PST-OEB) 8.3 7.0 0.7 5.0 20.0 7.3 7.0 7.7 5.7 7.3 6.0 7.7 6.7 6.9 SHARK (23R) 5.0 8.7 15.0 5.0 26.7 6.0 5.7 6.7 4.0 7.3 7.3 7.7 8.0 6.6 RUNNER (IS-AP 14) 6.3 7.0 6.7 8.3 33.3 6.3 5.3 6.3 4.7 7.0 7.0 7.7 7.3 6.5 LS-44 7.3 6.7 3.7 4.3 33.3 6.0 6.3 6.7 4.7 7.7 6.0 8.3 6.3 6.5 PENNEAGLE II 6.3 7.3 5.3 15.0 50.0 6.3 5.7 5.7 3.7 7.7 8.3 7.7 6.7 6.5 PENNLINKS II 8.0 6.0 1.7 1.3 23.3 7.0 6.7 8.0 5.3 6.0 5.7 6.7 5.3 6.3 BENGAL 7.3 7.3 8.3 10.0 36.7 5.7 5.0 6.3 4.0 6.7 6.3 7.3 7.3 6.1 L-93 8.0 4.7 1.0 8.3 25.0 7.7 6.3 7.3 5.0 5.3 5.7 6.7 5.0 6.1 SR 1150 (SRX 1PDH) 6.0 4.0 10.0 10.7 30.0 6.3 6.3 6.0 4.7 7.0 4.7 7.7 5.7 6.0 SR 1119 8.0 5.0 5.0 20.0 43.3 6.3 5.3 5.7 3.3 6.7 6.0 7.0 5.7 5.8 ALPHA 6.3 5.3 7.0 28.3 53.3 5.7 5.3 5.7 3.7 6.0 6.7 5.7 5.0 5.5 INDEPENDENCE 5.0 7.3 13.3 30.0 50.0 5.7 5.0 4.7 3.3 6.3 6.0 5.7 7.3 5.5 T-1 7.0 6.0 5.0 20.0 60.0 5.7 6.0 5.7 2.7 3.7 7.3 5.0 7.0 5.4 PRINCEVILLE 6.0 3.3 4.0 10.0 53.3 4.7 5.3 5.7 3.7 6.0 5.7 6.0 4.7 5.2 PENNCROSS 5.3 4.3 2.3 8.3 43.3 4.7 3.7 6.0 3.0 5.0 5.3 4.3 3.7 4.5 SEASIDE 4.0 5.0 1.7 1.3 15.0 3.7 3.3 5.0 5.0 4.0 3.3 4.0 4.3 4.1 BARDOT . . . . . . . . . . . . . . EWTR . . . . . . . . . . . . . . GREENTIME (IS-AT 7) . . . . . . . . . . . . . . PST-9NBC . . . . . . . . . . . . . . PST-9VN . . . . . . . . . . . . . . SR 7150 . . . . . . . . . . . . . . TIGER II . . . . . . . . . . . . . . LSD VALUE 3.9 3.3 9.1 20.0 33.2 1.7 1.6 2.2 1.9 1.8 2.3 2.1 1.5 1.0 C.V. (%) 24.2 25.9 93.3 106.8 50.8 15.9 16.2 17.6 22.7 16.1 19.0 17.3 14.2 9.9 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. 2007 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2003 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 IL3 SILTY CLAY LOAM 7.6-8.5 0-60 151-240 1.1-2.0 FULL SUN 0.0-0.5 TO PREVENT STRESS