TABLE 1. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 2003 NATIONAL BENTGRASS (FAIRWAY) TEST AT AMES, IA 1/ 2007 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING LEAF QUALITY RATINGS NAME COLOR GREENUP TEXTURE APR MAY JUN JUL AUG SEP OCT MEAN PENNEAGLE II 7.7 7.0 7.0 7.3 7.7 7.7 8.7 7.0 6.7 7.3 7.5 CRYSTAL BLUELINKS (PST-OEB) 9.0 7.0 6.3 6.7 8.0 7.7 8.3 7.0 6.3 8.0 7.4 L-93 8.0 7.0 6.7 7.0 7.0 7.0 8.0 7.3 6.3 7.7 7.2 AUTHORITY (235050) 7.3 6.3 8.3 6.3 6.7 8.3 8.3 7.0 6.3 6.7 7.1 SHARK (23R) 7.7 6.0 7.3 6.7 6.7 8.3 6.7 7.3 7.0 7.3 7.1 T-1 9.0 7.0 6.3 7.3 7.3 7.3 8.7 7.0 6.0 6.3 7.1 13-M 7.7 6.3 6.7 6.3 6.0 7.0 7.3 7.0 6.7 7.7 6.9 BENGAL 8.3 5.0 7.3 6.3 6.7 7.0 8.3 6.7 6.3 7.0 6.9 RUNNER (IS-AP 14) 7.7 5.0 7.0 7.0 6.7 8.0 7.0 6.7 6.0 6.7 6.9 MACKENZIE (SRX 1GPD) 7.7 6.3 8.0 6.7 6.3 8.3 7.7 7.0 5.7 6.3 6.9 PENNCROSS 8.0 5.7 5.7 5.7 6.3 6.0 8.3 7.3 7.0 7.7 6.9 ALPHA 8.3 7.0 6.7 6.3 7.3 7.0 8.7 7.0 5.3 5.7 6.8 EWTR 8.0 7.0 7.0 6.0 6.7 7.0 8.3 7.3 5.7 6.7 6.8 INDEPENDENCE 8.7 6.0 6.3 6.3 7.0 6.7 8.0 7.0 6.0 6.7 6.8 KINGPIN (9200) 8.3 6.7 6.0 6.0 7.0 7.0 7.3 6.3 6.0 7.7 6.8 PENNLINKS II 7.0 5.7 6.0 6.0 7.7 7.0 7.7 6.3 6.3 6.7 6.8 PRINCEVILLE 7.3 6.3 6.0 6.0 7.0 6.7 8.0 6.7 6.0 7.0 6.8 SR 1119 8.7 7.0 6.7 7.0 7.3 6.0 7.7 7.7 5.7 6.3 6.8 LS-44 8.3 7.0 6.7 5.7 7.0 6.7 7.0 7.0 6.0 6.3 6.5 SR 7150 7.3 5.7 6.0 6.3 7.0 6.0 8.0 6.0 5.7 6.3 6.5 TIGER II 7.0 6.7 6.0 6.3 6.3 5.7 7.7 6.0 6.3 7.0 6.5 BARDOT 8.0 6.3 6.3 6.0 6.0 7.0 7.0 6.0 6.0 6.7 6.4 GREENTIME (IS-AT 7) 8.3 6.3 6.0 6.0 6.3 6.0 7.7 6.0 6.3 6.7 6.4 PST-9NBC 7.7 6.0 5.7 6.3 6.7 6.3 7.7 6.3 5.3 6.3 6.4 SR 1150 (SRX 1PDH) 6.7 6.3 6.3 6.3 6.3 6.3 6.3 6.7 6.0 6.7 6.4 PST-9VN 7.7 6.3 7.0 6.0 6.3 6.3 7.0 6.3 5.7 6.0 6.2 DECLARATION 8.0 5.3 6.0 5.7 7.0 6.7 7.3 5.7 5.0 5.7 6.1 SEASIDE 6.7 5.7 6.0 5.7 6.3 5.7 6.7 5.3 5.3 5.7 5.8 LSD VALUE 1.7 2.3 2.7 1.1 2.5 1.9 2.4 2.8 1.8 2.1 0.9 C.V. (%) 10.0 14.3 15.1 8.8 12.1 13.2 12.2 13.8 11.6 13.0 6.4 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 IA1 SANDY CLAY LOAM 7.1-7.5 0-60 241-375 2.1-3.0 FULL SUN 0.0-0.5 TO PREVENT STRESS