TABLE 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF ST. AUGUSTINEGRASS CULTIVARS IN THE 2002 NATIONAL ST. AUGUSTINEGRASS TEST AT LANE, OK 1/ 2006 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT FALL GENETIC SPRING LEAF DENSITY COVER FROST WINTER COLOR SEEDHEAD QUALITY RATINGS NAME COLOR GREENUP TEXTURE FALL SPRING TOLERANCE KILL OCTOBER RATINGS MAY JUN JUL AUG SEP NOV MEAN FLORATAM 6.0 2.7 3.3 6.0 30.0 6.3 70.0 5.0 5.7 3.3 6.3 7.3 7.7 7.7 6.0 6.4 RALEIGH 5.0 2.7 5.3 5.3 34.3 5.7 65.0 6.0 6.0 3.3 5.7 5.7 5.7 6.7 5.7 5.4 MERCEDES 5.0 3.7 6.7 5.7 50.0 6.7 43.3 5.3 5.0 3.3 5.7 5.0 5.3 5.7 5.3 5.1 DELMAR 5.7 3.0 5.0 6.3 31.7 6.7 65.0 6.7 5.3 3.3 4.0 5.3 5.7 6.3 5.3 5.0 MSA 2-3-98 4.3 2.0 5.3 5.7 15.0 7.0 81.7 6.0 8.0 2.0 3.7 4.3 5.0 5.7 5.0 4.3 MSA 31 5.0 2.0 5.3 5.0 10.0 8.0 91.7 6.7 7.7 2.0 3.3 4.0 4.3 5.0 5.3 4.0 LSD VALUE 1.6 2.7 1.0 2.2 49.3 0.9 52.5 1.9 4.2 3.1 4.2 3.1 1.9 2.2 2.7 2.3 C.V. (%) 14.1 42.2 10.6 16.1 75.6 7.5 33.5 14.3 29.6 45.0 38.9 27.2 17.1 17.0 19.5 20.7 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. 2006 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2002 NATIONAL ST. AUGUSTINEGRASS 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 OK2 SAND 7.6-8.5 61-150 0-150 3.1-4.0 FULL SUN 2.6-3.0 TO PREVENT STRESS