TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF ST. AUGUSTINEGRASS CULTIVARS IN THE 2002 NATIONAL ST. AUGUSTINEGRASS TEST AT CALHOUN, LA 1/ 2003 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT PERCENT SPRING DENSITY DENSITY DENSITY COVER COVER COVER QUALITY RATINGS NAME GREENUP SPRING SUMMER FALL SPRING SUMMER FALL MAY JUN JUL AUG OCT NOV MEAN MERCEDES 6.3 6.0 7.0 6.7 80.0 91.7 90.0 7.7 8.0 8.0 7.3 8.0 7.0 7.7 MSA 31 5.0 5.7 6.7 6.7 75.0 88.3 90.0 6.7 7.7 8.0 7.3 8.0 8.0 7.7 MSA 2-3-98 5.3 6.3 7.3 7.0 78.3 93.3 93.3 7.7 7.3 7.3 7.3 8.0 7.0 7.5 DELMAR 5.7 6.0 6.7 6.3 70.0 88.3 85.0 6.7 6.3 7.3 7.3 7.7 7.0 7.2 FLORATAM 7.3 6.0 7.0 7.0 75.0 86.7 85.0 6.0 6.3 6.7 6.7 8.0 7.3 7.0 RALEIGH 6.3 5.7 6.3 6.3 76.7 86.7 88.3 6.0 6.7 7.3 6.7 7.3 6.7 7.0 LSD VALUE 1.3 1.2 1.1 1.1 10.6 13.0 17.3 1.7 1.4 1.0 1.5 0.7 0.6 0.3 C.V. (%) 11.0 8.5 7.1 7.2 6.3 6.1 8.0 11.9 9.9 6.8 8.8 4.0 4.4 2.6 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. 2002-03 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 LA2 SANDY LOAM 6.6-7.0 0-60 0-150 - FULL SUN 2.1-2.5 TO PREVENT STRESS