TABLE 6. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF ST. AUGUSTINEGRASS CULTIVARS IN THE 2016 NATIONAL ST. AUGUSTINEGRASS TEST AT RALEIGH, NC 1/ 2019 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING PERCENT GROUND COVER GRAY QUALITY RATINGS NAME GREENUP SPRING SUMMER LEAF SPOT SEEDHEAD APR MAY JUN JUL AUG SEP OCT MEAN DALSA 1618 4.7 75.0 92.7 8.7 7.3 3.0 5.3 6.0 7.0 7.0 7.0 6.3 6.0 FSA 1613 4.0 76.7 94.3 7.0 6.7 3.3 5.7 6.3 6.7 6.7 7.0 6.3 6.0 UGA/TX SA26 5.3 86.7 98.3 7.3 6.7 3.0 5.7 6.7 7.0 6.7 6.7 6.0 6.0 DALSA 1501 4.0 66.7 84.0 8.7 5.7 2.7 4.3 5.7 6.7 7.3 7.7 6.7 5.9 DALSA 1623 4.0 73.3 91.7 8.0 7.0 3.3 4.7 5.7 7.3 7.7 7.0 5.7 5.9 RALEIGH 5.3 88.3 99.0 6.0 6.0 3.7 6.3 6.7 6.7 6.3 5.7 5.7 5.9 FSA 1608 4.0 75.0 90.7 7.0 5.0 3.0 4.7 6.0 6.7 6.7 6.7 6.0 5.7 PALMETTO 4.3 73.3 89.7 6.3 7.0 3.0 5.3 6.0 6.3 6.0 6.7 5.7 5.6 DALSA 1404 2.7 60.0 85.0 6.7 7.7 2.3 3.3 4.7 6.3 7.3 7.3 7.0 5.5 DALSA 1502 5.0 78.3 94.3 7.0 8.7 3.0 5.0 5.7 6.7 6.0 5.7 5.7 5.4 CITRABLUE (FSA 1602) 3.3 55.0 88.3 9.0 3.0 2.3 3.7 5.0 5.7 6.3 7.3 7.0 5.3 FSA 1605 2.7 55.0 71.7 8.0 3.3 2.0 3.3 4.3 5.3 5.3 6.3 6.0 4.7 FSA 1606 2.7 58.3 83.3 6.3 2.3 2.0 3.0 4.7 5.7 4.7 6.3 6.7 4.7 DALSA 1323 4.0 68.3 86.3 4.3 3.3 2.7 3.7 4.7 5.3 5.3 5.0 4.7 4.5 DALSA 1316 3.0 61.7 75.0 4.3 7.0 2.3 3.7 4.0 4.7 5.7 6.0 4.7 4.4 FSA 1603 3.7 55.0 83.3 8.0 2.7 2.3 3.7 4.3 4.7 4.0 5.3 5.7 4.3 FSA 1607 3.7 60.0 81.7 4.3 5.7 2.7 3.7 4.3 4.7 3.7 5.0 5.0 4.1 FSA 1611 1.7 27.7 48.3 8.0 9.0 1.7 2.3 2.7 4.3 6.0 6.3 5.7 4.1 FSA 1614 2.7 41.7 68.3 6.3 4.0 2.0 2.7 3.0 4.3 5.0 5.3 5.3 4.0 FLORATAM 2.0 40.0 73.3 4.3 8.3 1.7 2.3 3.3 4.7 5.3 4.7 4.3 3.8 FSA 1601 2.0 26.7 60.0 8.0 7.3 2.0 2.3 3.3 4.3 4.3 5.3 5.0 3.8 FSA 1609 2.0 30.0 60.0 8.7 3.0 2.0 2.7 3.3 3.7 3.7 5.7 5.7 3.8 XSA10403 1.3 8.3 36.7 5.7 4.0 1.3 2.0 3.0 4.0 4.3 4.7 5.7 3.6 XSA11168 1.3 11.0 33.3 7.7 5.0 1.0 1.7 2.3 3.3 4.3 5.7 6.0 3.5 FSA 1604 1.7 28.3 50.0 7.7 3.0 1.7 2.0 2.7 3.3 4.3 5.0 5.0 3.4 FSA 1610 2.0 23.3 58.3 8.0 4.0 1.3 2.0 2.7 3.3 3.7 5.0 5.3 3.3 FSA 1612 1.7 6.7 31.7 7.0 9.0 1.0 1.0 1.3 3.0 5.0 5.0 4.7 3.0 LSD VALUE 1.3 26.9 24.2 1.4 2.6 0.8 1.4 1.5 1.6 1.3 1.8 2.0 1.1 C.V. (%) 26.6 32.4 20.2 12.8 28.7 20.7 25.6 22.3 19.2 15.2 15.8 15.9 14.3 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. 2019 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2016 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 LOAM 6.1-6.5 61-150 0-150 1.1-2.0 FULL SUN 3.1-3.5 TO PREVENT STRESS