TABLE 15. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BERMUDAGRASS CULTIVARS IN THE 1997 NATIONAL BERMUDAGRASS TEST AT STILLWATER, OK 1/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING DEAD SPOT MEASURED IN SQ. CM PERCENT PERCENT SPRING GENETIC SPRING LEAF DENSITY DENSITY DENSITY COVER COVER POA DEAD QUALITY RATINGS NAME COLOR GREENUP TEXTURE SPRING SUMMER FALL SPRING SUMMER ANNUA SPOT MAY JUN JUL AUG SEP OCT MEAN OKC 19-9 8.0 8.0 8.0 8.0 8.0 8.0 95.0 97.7 6.7 132.3 8.0 7.7 7.7 7.3 7.3 7.3 7.6 MIDLAWN 7.0 8.0 8.0 7.7 8.0 7.7 97.7 99.0 7.0 44.3 8.0 8.0 8.0 7.0 7.0 7.0 7.5 TIFSPORT (TIFT 94) 8.0 6.7 8.0 8.0 8.0 8.0 88.3 96.0 7.3 926.7 7.0 7.3 7.7 7.3 7.3 7.3 7.3 RIVIERA (OKS 95-1) 7.3 7.0 7.0 7.0 7.7 7.7 85.0 99.0 7.3 1190.7 6.7 7.0 7.0 8.0 7.3 7.3 7.2 TIFWAY 7.7 7.0 8.0 8.0 8.0 8.0 90.0 99.0 7.7 1132.3 7.0 7.0 7.3 7.0 7.3 7.0 7.1 CN 2-9 8.0 6.7 8.0 7.7 8.0 8.0 85.0 83.3 7.7 931.0 6.3 6.7 7.0 7.3 7.0 7.0 6.9 OKC 18-4 7.7 7.7 7.0 8.0 7.7 8.0 91.7 98.7 7.7 753.3 7.3 7.0 7.0 6.3 7.0 7.0 6.9 SHANGHAI 8.7 6.3 5.7 7.0 7.0 6.3 80.0 89.3 7.7 1206.3 6.0 6.7 7.3 7.0 7.0 7.0 6.8 TIFGREEN 6.7 7.0 8.0 8.3 8.0 8.0 83.3 99.0 7.7 1118.0 6.0 6.7 6.3 7.3 7.7 7.0 6.8 TRANSCONTINENTAL (PST-R69C) 7.7 6.3 7.0 7.0 7.3 7.3 75.0 94.7 7.7 2123.7 5.7 6.3 6.3 7.3 7.0 7.0 6.6 SHANGRI LA 7.7 5.3 6.0 6.3 7.0 6.0 70.0 97.3 7.3 1755.7 5.3 6.0 6.7 7.0 7.0 7.0 6.5 SYDNEY (SWI-7) 7.3 5.7 6.0 6.0 7.0 6.7 70.0 93.0 7.0 1256.3 5.0 6.3 6.7 7.0 7.0 7.0 6.5 BLACKJACK 7.0 5.7 6.0 5.7 6.7 6.0 73.3 99.0 7.3 1977.7 5.0 6.3 6.7 7.0 6.7 6.7 6.4 NUMEX-SAHARA 7.0 6.0 5.7 6.7 7.3 5.7 71.7 91.3 7.0 1733.0 5.7 6.0 6.0 7.0 7.0 6.7 6.4 PRINCESS 77 (PRINCESS) 8.3 5.7 7.3 6.7 7.3 7.7 61.7 96.0 8.0 3726.7 4.7 5.7 6.3 7.3 7.3 7.0 6.4 SUNDEVIL II 7.7 6.0 7.0 6.3 7.0 6.7 63.3 97.7 7.3 1553.7 5.3 6.3 6.3 7.0 6.7 6.7 6.4 JACKPOT 7.0 5.7 6.3 6.0 6.7 6.0 68.3 94.7 6.7 1804.3 4.7 6.0 6.3 7.0 7.0 6.7 6.3 SAVANNAH 7.7 5.3 6.3 6.7 7.0 6.3 63.3 95.0 7.3 1735.7 5.0 5.7 6.0 7.0 7.0 7.0 6.3 SWI-11 7.7 5.0 6.7 6.3 7.0 7.0 68.3 93.3 7.0 2572.7 4.7 5.7 6.3 7.0 7.0 7.0 6.3 BLUE-MUDA 7.7 6.0 6.0 6.7 6.7 6.0 56.7 86.0 6.7 1830.0 5.0 6.0 6.0 7.0 6.7 6.7 6.2 CARDINAL 4.7 7.3 8.7 9.0 9.0 8.7 99.0 99.0 6.0 28.0 7.7 6.0 6.0 5.3 6.0 6.3 6.2 J-540 7.3 5.3 6.3 6.7 7.0 6.0 63.3 89.7 7.7 2332.3 5.0 5.3 5.7 7.0 6.7 6.7 6.1 MIRAGE 7.3 4.7 6.0 5.7 7.0 6.0 70.0 97.7 7.0 1626.0 4.7 5.7 6.3 7.0 6.3 6.3 6.1 MINI-VERDE 7.3 6.7 8.7 7.7 8.0 8.3 73.3 70.0 7.7 3676.3 5.0 5.7 5.7 7.0 6.3 6.3 6.0 ARIZONA COMMON 7.3 3.7 5.7 5.0 6.0 5.7 63.3 94.7 6.3 1790.7 3.7 6.3 6.0 6.7 6.7 6.3 5.9 MAJESTIC 7.3 3.7 6.0 5.0 6.3 6.0 58.3 97.7 6.7 2530.3 3.7 5.7 6.0 7.0 7.0 6.3 5.9 PYRAMID 7.7 5.7 6.3 6.0 6.3 6.0 51.7 94.7 7.3 2502.7 4.7 5.7 5.7 7.0 6.7 6.0 5.9 SOUTHERN STAR (J-1224) 7.7 4.3 6.0 6.0 7.0 6.7 56.7 91.0 7.7 1752.7 4.7 5.7 5.3 6.3 6.3 6.3 5.8 LSD VALUE 1.0 1.3 0.7 1.0 0.5 0.7 14.6 14.9 1.7 1114.8 1.2 0.8 0.9 0.8 1.1 1.0 0.5 C.V. (%) 8.0 13.9 7.1 9.4 4.6 6.3 12.4 7.8 9.4 42.0 13.4 7.9 8.3 6.2 6.9 6.5 4.7 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. 2001 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 1997 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 OK1 SILTY CLAY LOAM 7.1-7.5 61-150 376-500 4.1-5.0 FULL SUN 0.0-0.5 TO PREVENT STRESS