TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF ST. AUGUSTINEGRASS CULTIVARS IN THE 2007 NATIONAL ST. AUGUSTINEGRASS TEST AT RALEIGH, NC 1/ 2008 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT PERCENT GRAY FALL FALL GENETIC SPRING LEAF DENSITY COVER COVER WINTER LEAF COLOR COLOR QUALITY RATINGS NAME COLOR GREENUP TEXTURE SUMMER SPRING SUMMER KILL SPOT OCTOBER NOVEMBER APR MAY JUN JUL AUG SEP OCT NOV MEAN MERCEDES 5.7 5.7 7.0 7.3 94.7 97.7 80.0 7.0 7.0 7.3 6.7 5.7 7.0 7.0 7.0 6.3 8.0 8.0 7.0 NUF-76 7.7 4.0 8.0 7.3 95.0 96.3 60.0 8.0 7.7 6.7 4.7 8.0 7.0 6.3 7.3 7.3 7.3 7.3 6.9 DALSA 0406 7.0 3.7 6.3 6.3 97.7 99.0 53.3 7.7 7.7 6.7 3.3 6.3 7.0 7.0 7.0 7.0 6.7 6.7 6.4 DALSA 0602 5.7 3.3 3.3 5.3 91.7 97.7 53.3 8.0 8.0 7.7 3.0 5.7 5.7 6.0 6.0 5.7 6.0 6.0 5.5 RALEIGH 6.3 4.3 6.3 4.7 97.7 99.0 66.7 7.0 4.7 5.0 4.7 5.7 6.0 5.3 5.3 4.7 5.3 5.0 5.3 FLORATAM 5.3 1.3 3.0 2.7 90.0 99.0 6.7 4.0 6.3 5.0 1.3 4.0 4.0 2.7 3.0 4.0 3.7 3.3 3.3 LSD VALUE 1.3 1.8 0.7 1.4 4.6 4.0 13.1 1.8 1.4 1.3 2.1 0.7 1.1 1.7 1.5 1.6 1.1 1.1 1.0 C.V. (%) 11.1 25.8 7.2 14.1 2.5 1.8 14.4 13.8 11.1 11.3 29.2 7.4 10.2 16.2 14.3 15.0 10.7 10.3 9.7 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. 2008 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2007 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 NC1 SILTY CLAY AND CLAY 6.1-6.5 61-150 0-150 3.1-4.0 FULL SUN 2.1-2.5 TO PREVENT STRESS