TABLE 18. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BERMUDAGRASS CULTIVARS IN THE 2007 NATIONAL BERMUDAGRASS TEST AT BLACKSBURG, VA 1/ 2009 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GENETIC LEAF DENSITY SPRING SEEDHEAD RATINGS QUALITY RATINGS NAME COLOR TEXTURE SUMMER GREENUP SPRING FALL MAY JUN JUL SEP OCT MEAN OKC 1119 8.0 8.3 9.0 30.0 7.7 9.0 6.7 9.0 9.0 8.7 8.7 8.4 PREMIER 8.3 7.7 9.0 28.3 7.7 8.7 8.0 9.0 8.3 8.7 8.0 8.4 PATRIOT 8.0 8.3 9.0 13.3 8.7 9.0 8.3 9.0 8.0 8.0 8.3 8.3 OKC 1134 7.7 7.0 9.0 26.7 8.7 8.7 8.3 8.7 8.3 8.0 7.7 8.2 BAR 7CD5 7.7 7.0 7.7 45.0 6.0 8.0 7.0 7.7 7.7 7.7 8.3 7.7 TIFWAY 8.7 7.3 8.3 10.0 6.7 8.3 8.7 8.0 7.7 7.0 7.0 7.7 RAD-CD1 7.3 6.7 8.0 63.3 3.7 7.0 7.0 8.0 7.7 7.7 7.7 7.6 YUKON 7.7 6.7 7.3 56.7 6.7 8.0 6.3 7.7 8.0 7.7 8.3 7.6 MIDLAWN 6.7 7.0 8.3 43.3 6.7 9.0 7.7 8.0 7.7 7.0 7.0 7.5 OKS 2004-2 7.7 6.0 8.3 50.0 3.3 7.7 7.0 8.0 8.0 7.0 7.3 7.5 SWI-1081 7.7 7.3 8.0 33.3 3.3 6.7 6.7 7.3 7.7 7.7 8.0 7.5 SWI-1113 7.7 7.0 7.3 9.3 3.7 7.0 7.7 8.0 7.0 8.0 7.0 7.5 PSG 9Y2OK 8.0 7.3 7.3 55.0 4.0 7.0 6.3 7.7 7.0 8.0 8.0 7.4 SWI-1083 8.0 8.0 7.3 31.7 2.3 5.3 7.0 7.3 7.7 7.3 7.7 7.4 HOLLYWOOD (J-720) 8.0 8.0 7.3 48.3 2.7 6.3 6.7 7.3 7.0 8.0 7.3 7.3 PSG 9BAN 8.0 7.3 7.7 20.0 2.0 6.0 6.3 7.7 7.7 7.3 7.7 7.3 SWI-1070 7.7 7.7 8.3 30.0 2.3 6.7 6.0 7.3 8.0 7.7 7.7 7.3 PYRAMID 2 (IS-CD10) 7.3 7.7 7.3 30.0 2.3 6.0 6.0 7.3 7.3 7.7 7.3 7.1 RIVIERA 7.7 8.0 7.7 41.7 3.3 8.0 6.7 7.3 7.0 7.3 7.0 7.1 GOLD GLOVE (PST-R6FLT) 8.7 7.3 6.7 8.3 1.3 4.0 5.7 7.0 6.7 7.0 8.0 6.9 SWI-1122 7.0 7.7 8.0 33.3 3.3 6.7 5.0 7.0 7.3 7.3 8.0 6.9 PSG PROK 8.0 7.0 6.3 35.0 3.0 6.3 6.0 7.3 6.7 7.3 6.7 6.8 PSG 94524 8.0 7.0 7.7 18.3 3.3 5.3 4.7 6.0 7.0 7.3 8.0 6.6 PSG 91215 7.0 6.3 6.7 26.7 2.3 6.0 5.3 7.0 6.3 7.0 7.0 6.5 SWI-1057 7.0 7.0 7.3 9.3 5.0 7.0 5.3 7.0 7.0 6.7 6.7 6.5 PRINCESS 77 8.0 6.7 6.7 4.0 4.7 6.3 5.0 6.7 6.3 7.3 6.7 6.4 IS-01-201 7.7 7.0 7.7 13.3 1.7 5.7 4.3 6.7 6.7 6.3 7.3 6.3 SUNSPORT 7.0 6.7 6.7 16.7 3.0 6.0 4.7 6.7 6.3 6.0 7.3 6.2 VERACRUZ 7.3 8.0 6.3 5.0 5.3 5.3 3.3 6.3 6.3 7.7 7.3 6.2 SWI-1117 7.3 6.7 7.3 11.0 2.0 6.7 5.3 5.7 6.0 6.3 6.7 6.0 NUMEX-SAHARA 7.3 7.0 7.7 6.3 4.0 6.7 2.7 5.0 7.0 7.0 7.7 5.9 LSD VALUE 1.6 3.6 1.2 15.1 1.9 1.0 1.7 1.4 1.2 1.5 2.1 0.7 C.V. (%) 8.6 14.3 8.9 35.7 29.3 9.2 17.3 11.2 9.3 9.8 10.7 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. 2009 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2007 NATIONAL BERMUDAGRASS 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 SILTY CLAY AND CLAY 4.6-5.5 0-60 151-240 2.1-3.0 FULL SUN 0.6-1.0 ONLY DURING SEVERE STRESS