TABLE 22. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 2003 NATIONAL BENTGRASS (GREENS) TEST AT BLACKSBURG, VA 1/ 2007 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC DOLLAR POA QUALITY RATINGS NAME COLOR SPOT ANNUA APR MAY JUN JUL AUG SEP OCT MEAN CY-2 6.3 7.3 9.0 7.0 7.0 6.7 6.0 6.7 7.3 5.7 6.6 MEMORIAL (A03-EDI) 6.7 8.0 8.3 7.0 7.0 7.0 5.7 6.7 6.3 6.7 6.6 TYEE (SRX 1GD) 7.0 5.7 9.0 7.3 8.0 6.0 6.3 6.7 6.7 4.3 6.5 AUTHORITY (235050) 7.0 7.3 9.0 6.3 7.0 6.0 6.7 6.7 6.7 5.3 6.4 KINGPIN (9200) 6.3 8.3 8.0 6.7 7.0 6.3 6.3 7.0 6.0 5.3 6.4 MACKENZIE (SRX 1GPD) 6.3 7.3 9.0 7.3 7.0 5.7 6.3 6.7 6.3 5.0 6.3 007 (DSB) 6.3 8.0 9.0 6.7 7.0 6.0 6.3 6.7 6.3 4.7 6.2 13-M 6.7 8.0 8.3 6.3 6.7 6.7 4.3 6.3 6.7 5.7 6.1 LS-44 7.3 7.7 6.7 5.3 6.7 6.3 6.0 6.7 7.0 5.0 6.1 DECLARATION 6.3 8.7 8.7 7.0 7.0 6.3 6.3 5.7 5.7 4.0 6.0 GREENWICH 7.0 8.7 9.0 5.3 5.7 6.7 6.0 7.7 5.7 5.0 6.0 PENN A-1 6.3 7.7 8.0 6.7 7.0 6.0 5.0 5.3 6.3 5.3 6.0 SHARK (23R) 6.7 6.0 9.0 7.0 7.3 5.0 7.0 6.0 5.7 3.7 6.0 COBRA 2 (IS-AP 9) 8.0 7.3 7.0 6.7 6.3 5.3 6.7 6.0 5.7 4.3 5.9 LEGENDARY 6.7 8.3 9.0 5.0 5.3 5.7 6.0 7.3 5.7 5.3 5.8 VENUS (EFD) 7.3 8.7 9.0 5.3 5.0 5.0 5.7 7.7 5.7 5.3 5.7 T-1 8.3 6.3 6.7 6.3 6.3 5.0 6.0 5.7 6.0 3.7 5.6 VESPER 7.7 8.7 9.0 4.7 4.3 5.0 6.7 7.7 5.3 5.3 5.6 ALPHA 6.7 6.3 7.3 6.0 6.3 4.7 6.3 5.3 6.0 3.7 5.5 BENCHMARK DSR 6.7 7.7 5.7 5.3 6.0 5.3 5.7 6.0 6.0 4.3 5.5 BENGAL 7.3 6.0 7.3 5.7 6.0 4.7 6.3 5.7 6.0 4.3 5.5 VILLA (IS-AC 1) 6.7 8.3 9.0 5.3 5.0 6.0 6.0 6.7 5.3 4.0 5.5 INDEPENDENCE 7.0 5.3 7.7 6.0 6.3 4.0 5.3 5.7 6.0 3.7 5.3 PENNLINKS II 6.7 7.3 2.7 4.7 4.7 4.3 6.7 5.7 5.3 4.7 5.1 SR 7200 8.0 8.7 8.3 5.3 5.0 5.3 6.3 6.0 4.3 3.7 5.1 PENNCROSS 6.7 6.7 5.3 5.0 5.0 4.0 5.7 5.0 5.7 4.3 5.0 LSD VALUE 1.4 1.4 1.2 1.2 0.9 1.1 2.8 2.2 2.0 2.0 0.8 C.V. (%) 9.8 11.3 10.0 11.6 9.4 11.9 15.5 15.1 13.8 20.2 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 VA1 SANDY LOAM 6.6-7.0 61-150 151-240 3.1-4.0 FULL SUN 0.0-0.5 TO PREVENT STRESS