TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 2003 NATIONAL BENTGRASS (GREENS) TEST AT BROOKINGS, SD 1/ 2007 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GENETIC SPRING COVER QUALITY RATINGS NAME COLOR GREENUP SUMMER APR JUN JUL AUG SEP MEAN CY-2 6.7 4.3 97.0 5.0 7.0 8.0 6.3 7.7 6.8 COBRA 2 (IS-AP 9) 6.0 5.7 97.7 6.0 6.7 7.3 6.7 6.3 6.6 MEMORIAL (A03-EDI) 6.3 4.3 98.7 5.3 6.0 7.7 6.7 6.7 6.5 KINGPIN (9200) 7.3 5.7 97.7 6.0 7.0 7.3 6.0 5.7 6.4 PENNLINKS II 6.3 4.3 98.7 5.7 7.3 7.0 5.7 6.3 6.4 BENGAL 6.0 4.3 98.0 5.3 6.3 7.0 6.3 6.3 6.3 BENCHMARK DSR 7.7 6.0 96.3 5.0 7.0 6.7 6.3 6.0 6.2 LS-44 6.3 4.7 98.7 5.3 6.3 7.3 6.0 6.0 6.2 13-M 6.3 3.7 96.3 4.7 6.0 6.7 6.7 6.3 6.1 ALPHA 6.7 4.7 97.0 5.3 6.7 7.0 6.3 5.3 6.1 MACKENZIE (SRX 1GPD) 6.0 5.0 95.0 4.7 6.3 7.0 5.7 6.7 6.1 TYEE (SRX 1GD) 6.3 5.3 98.0 5.0 7.0 7.3 5.0 6.0 6.1 T-1 7.0 5.3 96.0 4.3 5.7 6.3 6.7 6.3 5.9 INDEPENDENCE 7.0 5.3 95.0 5.0 6.3 6.3 5.7 5.7 5.8 PENNCROSS 5.3 4.7 98.0 6.0 6.0 6.7 5.0 5.0 5.7 SHARK (23R) 6.0 5.3 95.3 4.7 6.3 6.7 5.0 5.7 5.7 VILLA (IS-AC 1) 5.7 6.7 97.7 6.0 6.0 6.7 4.3 5.3 5.7 AUTHORITY (235050) 6.0 4.0 94.0 4.3 5.7 6.7 5.3 6.0 5.6 GREENWICH 5.7 7.3 97.3 6.0 6.3 6.3 4.3 5.0 5.6 LEGENDARY 6.0 7.0 97.3 6.0 6.3 6.0 4.3 4.7 5.5 PENN A-1 6.3 4.3 95.7 4.0 5.7 6.3 5.3 6.0 5.5 VENUS (EFD) 5.0 7.0 97.3 6.7 6.0 5.7 4.7 4.7 5.5 DECLARATION 6.0 6.0 93.0 4.3 6.0 6.3 5.0 5.3 5.4 007 (DSB) 7.0 6.0 95.0 4.3 5.3 6.0 5.7 5.3 5.3 VESPER 6.0 7.0 97.3 6.3 5.7 6.0 4.3 4.0 5.3 SR 7200 5.3 7.0 95.7 6.0 5.3 5.3 4.7 4.3 5.1 LSD VALUE 0.9 1.3 3.2 2.0 1.8 1.2 1.4 1.6 0.8 C.V. (%) 8.2 14.4 1.7 17.3 11.9 9.7 14.3 14.8 7.7 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. 2007 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2003 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 SD1 SILTY CLAY LOAM 7.6-8.5 0-60 151-240 2.1-3.0 FULL SUN 0.0-0.5 TO PREVENT STRESS