TABLE 10. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2023 NATIONAL KENTUCKY BLUEGRASS TEST AT RALEIGH, NC 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ % GENETIC LEAF SEEDLING GROUND COVER STEM ESTABLISH- SUMMER PATCH QUALITY RATINGS NAME COLOR TEXTURE VIGOR SUMMER RUST MENT UNIFORMITY JULY AUGUST JAN APR MAY JUN JUL AUG SEP OCT NOV MEAN DLF-KB-3640 5.7 7.3 6.0 80.0 1.3 31.7 4.3 4.0 2.7 2.7 5.3 7.0 8.0 4.3 3.7 2.7 4.0 6.0 4.9 BOMBAY 6.3 5.7 5.7 86.7 4.0 26.7 5.0 4.7 5.0 2.0 3.7 5.3 6.7 4.7 4.7 4.0 5.7 6.7 4.8 PST-K22-11 5.7 8.0 6.7 80.0 1.0 35.0 3.0 4.3 3.3 2.3 5.0 7.0 7.7 5.0 3.7 3.0 4.0 5.3 4.8 DLF-KB-3638 6.0 7.0 6.0 97.7 2.0 23.3 6.7 7.3 6.3 2.0 2.0 4.3 6.0 6.0 6.0 4.0 5.3 7.0 4.7 ARIES 6.0 7.0 6.0 89.0 2.7 28.3 4.0 4.3 4.0 2.0 4.3 5.7 6.7 4.7 4.0 3.3 5.0 6.3 4.7 J-1249 7.3 7.3 6.0 98.3 4.0 25.0 6.7 7.7 5.7 2.0 2.3 4.0 5.0 6.0 5.3 4.0 6.0 8.0 4.7 J-2797 7.3 6.3 6.3 97.0 3.0 30.0 6.3 6.3 5.3 2.0 3.3 4.3 5.3 5.3 4.7 4.3 6.0 7.3 4.7 DLF-KB-3637 6.0 7.0 3.7 90.7 4.7 18.3 6.3 3.3 3.3 2.0 3.0 5.0 6.3 3.7 3.7 4.0 6.0 7.7 4.6 A19-17 6.0 7.0 6.0 90.7 2.7 28.3 4.7 7.0 4.3 2.0 3.7 5.7 7.3 6.0 4.3 2.7 4.0 5.7 4.6 BARON 6.7 6.3 5.3 85.7 3.7 25.0 6.3 5.0 4.3 2.3 3.3 5.0 6.3 4.7 4.0 4.0 5.3 6.7 4.6 DLF-KB-3635 6.0 7.7 7.3 83.0 3.7 38.3 6.3 6.0 3.7 2.3 4.0 5.0 6.0 4.7 4.3 4.3 4.3 5.3 4.5 DLF-KB-3636 6.7 6.3 6.3 69.7 3.7 31.7 4.7 2.7 3.0 2.3 4.3 6.0 7.3 3.3 3.3 3.0 4.0 5.7 4.4 A12-293 6.3 7.3 6.0 64.0 4.3 26.7 4.3 4.7 3.0 2.0 4.3 6.3 7.3 4.3 3.7 3.3 3.3 5.0 4.4 A21-6 6.7 6.3 5.7 84.7 2.3 23.3 4.3 4.0 3.0 2.0 4.3 6.0 7.0 4.3 3.7 2.3 4.0 6.0 4.4 PST-T15-44 7.3 6.7 6.3 89.0 1.7 30.0 4.3 5.3 4.0 2.0 4.3 5.7 6.3 5.3 4.3 2.7 4.0 5.3 4.4 PVF-A17-842 6.0 6.7 6.0 75.7 3.0 28.3 4.7 5.3 3.7 2.3 4.7 7.0 7.3 4.7 3.3 2.7 2.7 4.7 4.4 RESOLUTION 6.7 6.3 5.7 80.0 5.7 26.7 3.7 5.3 2.7 2.0 3.0 5.7 6.3 5.0 3.3 3.3 4.7 6.0 4.4 LIGHTNING 6.0 6.3 6.7 56.7 3.0 30.0 3.0 3.3 2.0 2.3 5.7 7.0 7.3 4.0 2.7 2.7 2.7 3.7 4.2 DLF-KB-3633 6.7 7.0 7.3 79.7 4.3 36.7 5.7 4.7 3.3 2.0 3.3 4.3 5.3 4.3 4.0 3.7 4.3 5.7 4.1 DLF-KB-3639 6.7 7.7 7.0 81.3 1.3 36.7 5.3 5.3 4.3 2.7 4.0 4.7 6.0 5.0 4.0 2.3 3.7 4.7 4.1 A21-3 6.0 7.7 6.0 97.0 2.7 26.7 6.0 4.7 4.7 2.0 3.0 3.7 4.7 4.0 4.0 3.7 5.0 6.7 4.1 J-1331 7.3 6.7 6.0 79.7 2.0 30.0 5.0 5.3 4.7 2.3 3.0 4.7 5.3 4.3 4.0 3.0 4.3 6.0 4.1 NAI-20-137 6.3 7.0 6.7 61.7 5.0 33.3 4.0 4.7 2.7 2.0 3.3 5.7 6.3 4.7 3.3 2.3 4.0 5.3 4.1 A12-266 6.0 6.7 5.7 69.0 5.3 26.7 5.7 4.3 3.3 2.0 3.0 4.3 5.7 4.0 3.7 3.3 5.0 5.3 4.0 A15-14 6.0 6.3 5.7 96.3 5.3 26.7 5.3 4.3 5.3 2.0 2.7 3.3 4.7 4.3 4.7 4.0 5.0 5.7 4.0 ACOUSTIC 7.7 6.7 6.3 87.3 5.3 31.7 4.0 4.0 4.0 2.3 3.3 4.3 4.7 3.3 3.7 3.7 4.7 6.0 4.0 PST-K17-182 6.7 6.7 6.0 69.7 3.0 26.7 4.0 4.0 3.0 2.3 3.3 4.3 5.0 4.0 3.7 2.7 5.0 5.7 4.0 DLF-KB-3634 6.0 6.7 6.7 75.7 3.0 31.7 4.3 3.3 2.3 2.0 3.3 5.7 6.7 3.7 3.0 2.7 3.3 4.3 3.9 PST-K19-206 6.7 7.0 6.0 86.7 1.3 31.7 4.3 3.3 2.7 2.0 3.7 5.3 6.0 4.0 3.3 2.3 3.7 4.3 3.9 PST-K20-1 5.7 7.3 6.3 65.7 1.7 26.7 5.3 7.3 5.3 2.0 2.3 3.3 4.7 5.0 4.7 3.7 4.0 5.7 3.9 J-2830 7.0 7.3 6.0 79.0 3.3 26.7 5.7 4.3 4.0 2.0 3.0 3.7 4.3 4.0 3.7 3.3 4.3 6.0 3.8 TABLE 10. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2023 NATIONAL KENTUCKY BLUEGRASS TEST AT RALEIGH, NC 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ % GENETIC LEAF SEEDLING GROUND COVER STEM ESTABLISH- SUMMER PATCH QUALITY RATINGS NAME COLOR TEXTURE VIGOR SUMMER RUST MENT UNIFORMITY JULY AUGUST JAN APR MAY JUN JUL AUG SEP OCT NOV MEAN MIDNIGHT 6.7 6.7 6.3 75.7 3.7 31.7 4.3 3.0 3.0 2.0 3.3 4.7 5.7 3.3 3.3 2.7 3.7 5.3 3.8 RIGHT 7.3 7.7 5.3 94.7 2.0 23.3 5.0 6.0 4.7 2.0 2.0 3.3 4.0 5.0 4.3 3.3 4.7 5.7 3.8 SKYLINE 5.3 7.0 5.0 79.0 1.0 23.3 4.3 4.3 4.0 2.0 2.7 5.3 6.0 4.0 4.0 2.3 3.3 4.7 3.8 KENBLUE 5.7 8.0 5.0 78.3 1.0 23.3 2.3 4.0 2.0 2.0 4.3 6.0 6.7 4.3 3.3 1.7 2.0 2.7 3.7 SHAMROCK 6.0 7.0 5.7 92.3 1.7 23.3 3.7 6.3 4.7 2.0 2.3 3.0 4.3 4.7 4.3 3.0 4.0 6.0 3.7 PROSPERITY 6.3 7.7 6.3 93.7 2.3 30.0 4.0 4.3 4.7 2.0 2.7 3.3 4.7 4.3 4.3 2.3 4.0 4.7 3.6 STARR 6.3 6.7 5.7 85.7 2.3 23.3 5.3 3.7 3.3 2.0 2.7 3.3 4.0 3.0 3.0 3.0 5.0 6.3 3.6 JERSEY 6.7 6.3 6.3 66.7 4.3 30.0 4.0 3.3 2.0 2.0 3.0 4.3 5.7 4.0 2.7 2.3 2.3 4.0 3.4 A15-16 6.3 6.0 6.0 69.0 4.0 28.3 3.3 3.7 2.3 2.0 3.0 4.0 4.0 3.7 3.0 2.3 4.0 5.0 3.4 A15-17 6.3 7.0 5.0 76.7 6.3 23.3 4.7 3.0 2.0 2.0 3.0 4.3 5.0 3.0 2.7 2.7 3.7 4.7 3.4 NAI-19-58 7.7 7.0 6.0 76.7 2.0 30.0 3.7 3.7 1.7 2.0 3.7 4.7 4.7 3.7 2.7 2.7 2.7 4.3 3.4 BARSERATI 6.0 7.0 6.3 41.7 3.7 33.3 3.3 2.3 1.7 2.0 3.7 5.3 5.3 2.3 2.0 1.7 3.0 4.7 3.3 PST-K19-208 7.3 6.7 6.7 71.7 1.7 33.3 3.7 3.3 2.3 2.0 3.0 3.7 4.7 3.7 3.3 2.0 3.3 4.0 3.3 GO-Y301 6.3 6.7 5.3 63.3 1.3 25.0 3.0 3.0 1.7 2.0 3.3 4.3 5.0 3.0 2.3 2.0 3.0 3.7 3.2 A21-11 6.3 6.7 6.0 69.0 3.0 30.0 3.3 3.3 2.3 2.3 2.7 3.3 4.0 3.0 2.7 2.3 3.0 4.0 3.0 GO-Y312 6.7 6.7 4.0 88.7 1.3 16.7 4.0 4.7 4.0 2.0 2.0 2.0 2.7 3.3 3.3 2.7 3.7 5.0 3.0 PPG-KB2108 7.0 7.0 6.3 73.3 1.0 28.3 2.0 2.3 1.7 2.3 3.3 4.7 5.7 3.3 2.7 1.3 1.7 2.3 3.0 RAD 3240 7.3 7.0 6.3 48.3 4.0 31.7 2.3 2.3 1.3 2.0 3.7 5.0 5.3 3.0 2.3 1.7 1.7 2.0 3.0 PST-K19-201 7.0 7.3 5.3 70.7 1.0 23.3 3.3 4.0 3.0 2.0 2.3 3.7 4.0 3.7 2.7 1.7 2.3 2.7 2.8 LTP-A21-41 5.7 6.3 6.0 61.7 1.0 26.7 3.3 2.0 2.0 2.0 2.7 4.3 5.0 2.0 2.3 1.7 1.7 2.3 2.7 PPG-KB2107 7.0 7.0 5.3 86.7 2.3 25.0 3.7 3.0 2.7 2.0 2.7 3.0 3.7 3.0 2.7 1.7 2.3 3.0 2.7 NAI-21-136 7.0 6.3 6.0 48.3 3.7 26.7 2.0 3.0 1.3 2.0 2.7 3.7 4.0 3.0 2.0 1.7 2.0 2.7 2.6 PST-K20-3 7.7 7.7 5.3 88.3 4.7 21.7 4.0 2.7 2.7 2.0 2.0 2.3 3.3 2.7 2.7 2.3 2.7 3.7 2.6 PSM-231 6.3 6.7 4.7 50.0 3.0 20.0 2.0 2.3 1.7 2.0 2.3 2.7 3.3 2.7 2.0 1.3 2.0 2.0 2.3 NAI-21-127 6.7 7.3 5.0 35.0 2.7 25.0 2.0 2.0 1.0 2.0 2.0 2.7 3.0 2.0 1.3 1.0 1.3 1.3 1.9 LSD VALUE 0.9 0.9 0.9 80.8 2.3 8.2 3.0 4.2 3.4 0.9 1.7 2.0 2.1 4.0 3.7 2.8 2.2 3.1 1.5 C.V. (%) 8.1 7.5 9.3 31.0 44.6 16.5 34.4 43.4 48.8 13.2 28.2 25.7 22.3 35.1 38.1 41.5 32.8 33.4 21.0 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. 2024 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2023 NATIONAL KENTUCKY BLUEGRASS 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 SANDY LOAM 6.1-6.5 61-150 0-150 1.1-2.0 FULL SUN 2.1-2.5 TO PREVENT STRESS