TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2023 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES (SHADE), IA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC LEAF SEEDLING SPRING SUMMER FALL QUALITY RATINGS NAME COLOR TEXTURE VIGOR DENSITY DENSITY DENSITY APR MAY JUN JUL AUG SEP OCT NOV MEAN DLF-KB-3635 5.0 6.3 3.3 4.7 5.3 5.0 6.7 9.0 9.0 9.0 8.7 7.3 8.0 8.0 8.2 BARSERATI 5.0 7.3 3.3 4.7 4.7 4.7 5.7 8.3 7.7 8.3 8.0 6.3 7.7 7.3 7.4 A15-14 5.7 6.7 2.3 4.7 5.0 4.3 5.7 8.0 7.7 7.7 8.0 8.0 7.3 5.0 7.2 PVF-A17-842 5.0 6.7 5.0 4.3 4.7 4.7 6.0 9.0 7.0 7.7 7.7 6.3 7.3 6.7 7.2 LTP-A21-41 5.0 6.3 3.3 4.3 4.3 5.0 6.0 9.0 8.7 7.0 7.0 5.3 7.0 6.7 7.1 DLF-KB-3634 5.3 6.0 2.0 4.3 4.7 4.3 4.7 7.3 8.0 8.0 7.0 7.0 6.3 6.0 6.8 BARON 5.3 7.0 2.7 5.0 5.0 4.3 5.3 7.7 7.3 7.0 7.0 8.0 7.0 5.0 6.8 NAI-20-137 5.7 6.7 2.3 4.7 4.7 4.7 5.7 7.7 8.3 8.7 6.7 6.0 5.3 5.7 6.8 DLF-KB-3640 5.0 6.7 3.3 4.7 4.3 4.7 6.0 8.3 8.3 6.3 7.0 5.0 6.7 6.0 6.7 A15-16 5.3 6.7 3.3 4.0 4.0 4.3 5.3 8.0 8.3 6.7 6.7 6.3 6.0 6.0 6.7 J-2830 6.0 6.3 3.7 4.7 5.7 4.3 6.0 7.7 7.0 7.0 7.7 7.7 5.7 5.0 6.7 PST-K22-11 5.7 7.0 2.7 4.3 4.7 4.3 6.0 8.7 7.3 7.0 7.7 5.7 5.3 5.7 6.7 ARIES 5.7 7.0 2.7 4.7 4.7 4.3 5.7 8.0 7.7 8.0 6.3 5.3 6.3 5.7 6.6 J-1249 5.7 6.0 2.0 4.7 4.7 4.3 5.0 7.3 6.3 7.3 7.7 7.0 6.3 5.0 6.5 PST-K19-206 5.7 6.0 1.7 4.7 5.0 4.3 5.3 7.3 8.3 8.0 6.3 6.0 5.7 4.7 6.5 RAD 3240 6.0 6.7 2.7 4.3 5.3 4.0 5.3 7.7 7.7 8.0 7.7 6.0 5.3 4.0 6.5 DLF-KB-3633 6.0 6.7 3.3 4.7 4.0 3.7 6.0 8.0 8.3 7.7 6.3 5.3 4.7 5.0 6.4 A21-11 6.0 6.3 2.0 4.3 4.3 4.0 5.7 7.3 8.0 8.3 6.0 5.0 5.7 5.3 6.4 RESOLUTION 6.0 6.7 1.7 5.0 4.3 4.0 6.7 8.0 7.7 7.0 6.0 5.3 5.0 5.3 6.4 BOMBAY 5.3 6.7 3.7 4.3 4.3 4.3 6.0 7.7 7.7 6.7 5.7 4.7 6.0 5.7 6.3 SKYLINE 5.0 7.0 2.3 4.7 5.0 4.7 6.0 8.3 7.3 6.0 6.3 5.0 6.3 5.3 6.3 A12-266 5.7 6.3 4.0 4.3 5.0 4.0 5.0 7.7 7.0 6.3 6.7 6.0 6.0 5.0 6.2 PST-K20-1 5.7 5.3 1.7 4.3 4.3 4.0 5.7 6.3 7.0 7.7 6.3 5.7 5.7 5.0 6.2 DLF-KB-3638 5.7 6.0 2.0 4.3 4.3 4.0 4.7 7.0 7.0 8.0 6.7 5.3 5.0 5.0 6.1 A12-293 5.3 6.3 3.7 4.0 4.0 4.0 5.7 8.0 7.3 7.0 6.7 4.0 5.7 4.7 6.1 J-2797 6.0 6.0 2.3 4.3 4.7 4.0 4.7 7.3 7.7 8.0 6.3 5.3 4.7 5.0 6.1 PROSPERITY 5.7 6.7 1.7 4.7 4.3 4.0 5.7 7.3 8.0 7.7 6.0 4.0 5.3 5.0 6.1 STARR 5.7 6.0 2.0 4.7 4.7 3.7 6.7 7.0 7.3 6.3 5.3 5.0 6.0 5.3 6.1 DLF-KB-3639 5.3 6.7 3.0 4.7 4.7 4.0 6.7 8.0 7.0 6.3 6.0 4.3 5.0 4.3 6.0 JERSEY 6.3 6.3 3.7 4.3 5.0 4.3 5.7 6.0 7.0 6.7 7.0 5.3 4.7 5.7 6.0 SHAMROCK 5.7 6.3 3.0 4.7 4.0 4.3 6.7 8.3 8.0 6.3 5.7 3.7 5.0 4.7 6.0 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2023 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES (SHADE), IA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC LEAF SEEDLING SPRING SUMMER FALL QUALITY RATINGS NAME COLOR TEXTURE VIGOR DENSITY DENSITY DENSITY APR MAY JUN JUL AUG SEP OCT NOV MEAN DLF-KB-3636 6.7 5.7 2.7 4.7 4.3 4.3 6.7 7.3 7.0 6.0 6.0 4.7 5.0 4.3 5.9 ACOUSTIC 5.7 6.0 4.0 4.7 4.7 4.7 5.3 8.0 7.0 7.0 5.7 4.3 5.3 4.0 5.8 LIGHTNING 6.0 5.7 3.3 4.3 3.7 4.0 5.7 7.0 7.3 6.0 6.3 4.3 4.7 4.3 5.7 MIDNIGHT 6.7 6.3 2.7 4.7 4.3 4.3 5.7 7.7 6.3 5.3 5.7 4.7 5.3 4.0 5.6 A15-17 6.0 6.0 1.3 3.7 4.3 3.3 3.7 6.0 6.3 7.3 5.3 6.0 5.0 4.0 5.5 KENBLUE 5.0 6.7 2.7 4.7 4.0 4.3 6.7 8.7 5.3 3.7 4.7 4.0 5.3 5.0 5.4 PST-K19-208 6.0 6.7 2.0 4.3 4.3 4.0 5.0 7.0 7.0 5.7 4.7 5.0 4.3 4.3 5.4 PST-T15-44 6.0 5.7 2.7 4.3 4.3 4.3 5.7 7.7 6.7 4.7 5.0 4.7 4.7 4.3 5.4 DLF-KB-3637 7.0 5.7 1.0 3.7 4.3 4.0 4.7 7.0 8.0 5.7 5.3 3.7 4.0 4.3 5.3 J-1331 7.0 6.0 3.3 4.7 4.3 4.0 5.7 7.7 7.3 6.0 5.3 3.7 3.7 2.7 5.3 PST-K20-3 6.3 5.7 1.7 4.3 4.3 4.0 4.3 6.0 6.7 5.3 5.3 5.3 4.7 4.0 5.2 NAI-21-136 5.7 5.7 2.0 4.0 3.7 4.0 5.3 7.0 5.7 6.0 4.7 4.0 4.7 3.3 5.1 GO-Y301 6.3 5.7 2.3 4.3 4.0 3.7 5.7 7.0 6.3 5.3 4.7 3.0 4.3 4.0 5.0 PST-K19-201 6.0 5.7 2.0 4.0 3.7 4.0 5.7 6.7 7.0 7.0 3.7 2.7 3.3 3.0 4.9 GO-Y312 7.0 6.0 2.3 4.7 4.0 3.7 6.0 7.3 6.3 5.0 4.0 3.0 3.7 2.7 4.8 PST-K17-182 6.7 6.0 2.7 4.3 4.3 3.7 6.0 6.0 5.7 5.3 4.0 4.3 4.0 3.3 4.8 NAI-19-58 6.7 6.3 2.0 4.3 3.7 4.0 4.7 7.7 5.3 6.0 4.0 3.3 3.7 3.0 4.7 A21-3 6.3 5.0 2.0 3.7 4.0 3.3 4.0 5.0 4.7 6.0 5.0 4.7 4.0 3.7 4.6 A21-6 6.7 5.7 2.3 4.3 4.0 3.3 3.7 6.0 5.7 5.0 4.3 3.3 3.3 3.0 4.3 PPG-KB2107 7.0 5.3 1.7 4.3 4.0 4.0 3.7 6.0 5.7 5.3 4.3 2.7 3.3 3.0 4.3 RIGHT 6.0 5.7 1.7 4.7 4.3 4.0 4.7 5.7 5.7 5.3 3.7 3.0 4.0 2.7 4.3 PPG-KB2108 6.7 5.7 3.0 4.3 3.7 4.0 3.3 6.3 4.7 4.7 3.3 3.3 4.3 3.0 4.1 PSM-231 6.7 5.3 2.7 3.3 4.0 3.3 4.0 5.0 6.0 5.3 2.7 2.7 3.3 3.0 4.0 A19-17 7.3 6.0 4.0 3.7 3.7 4.0 4.7 6.0 4.7 4.7 3.0 2.3 2.7 3.0 3.9 NAI-21-127 7.0 6.0 4.0 4.3 4.3 4.0 5.7 6.7 5.7 3.3 2.3 2.0 2.3 2.0 3.8 LSD VALUE 2.5 1.2 4.4 2.3 1.2 1.6 3.9 3.3 5.4 4.6 2.3 1.8 2.3 2.5 2.0 C.V. (%) 5.4 9.7 50.0 13.6 12.9 13.5 23.8 18.2 24.0 27.2 23.3 23.0 25.1 29.1 18.4 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 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2023 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES (SHADE), IA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ COLOR COLOR PERCENT GROUND COVER FROM APRIL-NOVEMBER QUALITY QUALITY PERCENT ESTABLISHMENT NAME OCTOBER NOVEMBER APRIL MAY JULY AUGUST OCTOBER NOVEMBER OCT 2023 NOV 2023 OCTOBER NOVEMBER DLF-KB-3635 3.7 4.0 52.7 95.3 95.7 90.3 74.0 63.7 4.7 5.3 59.7 82.0 BARSERATI 4.3 4.3 46.7 88.7 90.3 82.0 73.0 61.0 4.7 5.0 37.0 63.7 A15-14 4.0 4.3 47.3 85.0 83.0 83.7 66.7 38.0 4.0 5.0 43.3 65.7 PVF-A17-842 4.0 4.0 48.3 97.7 86.3 77.0 66.0 52.0 5.0 5.0 44.7 67.3 LTP-A21-41 3.7 4.0 48.3 96.7 72.7 73.0 63.3 53.0 4.3 5.0 49.0 72.7 DLF-KB-3634 4.7 4.3 36.0 78.7 84.3 71.7 60.7 49.0 4.3 4.7 34.0 53.0 BARON 4.0 4.0 41.0 81.0 78.0 69.7 64.7 37.0 4.0 5.0 41.3 67.0 NAI-20-137 4.3 4.7 46.7 82.0 94.0 68.0 47.7 44.7 4.0 4.3 28.3 42.0 DLF-KB-3640 4.0 4.3 48.0 91.7 67.3 69.3 60.3 48.0 4.3 5.0 45.0 67.7 A15-16 4.7 5.0 44.0 85.3 71.0 68.3 54.3 43.0 5.0 5.3 40.3 53.7 J-2830 4.0 4.3 44.0 81.7 73.3 75.3 50.7 38.0 4.3 5.0 35.7 61.3 PST-K22-11 4.3 4.0 48.7 91.7 76.0 82.3 46.7 43.7 4.0 4.3 36.0 56.7 ARIES 4.0 4.3 46.0 90.0 85.7 61.0 57.3 44.7 4.3 5.0 42.3 60.0 J-1249 4.0 4.3 39.0 75.3 81.3 83.7 56.7 37.7 4.7 4.7 51.0 60.3 PST-K19-206 4.3 4.3 45.0 80.7 83.3 65.0 48.3 35.7 4.0 4.3 29.7 48.3 RAD 3240 4.7 4.7 45.0 78.3 91.0 76.7 46.3 28.0 4.7 4.3 34.0 53.0 DLF-KB-3633 4.3 4.0 50.0 86.0 85.3 64.3 39.3 34.3 4.3 4.7 35.3 59.3 A21-11 4.7 4.7 45.7 75.7 87.0 57.3 51.3 41.0 4.3 4.3 28.7 51.3 RESOLUTION 5.0 4.3 55.3 85.3 76.7 59.0 42.3 39.0 4.0 4.0 22.0 41.3 BOMBAY 3.0 4.7 50.3 84.0 71.0 57.7 54.0 43.3 4.0 4.7 27.7 43.7 SKYLINE 4.3 4.0 50.3 88.0 60.3 63.7 56.0 38.7 4.0 4.7 29.7 52.0 A12-266 4.0 4.0 37.3 84.7 65.7 67.7 52.7 36.7 5.0 5.0 55.0 68.7 PST-K20-1 5.0 5.0 45.7 65.0 82.0 65.3 49.3 36.7 4.3 4.7 30.3 38.3 DLF-KB-3638 5.7 6.3 37.0 77.3 83.7 67.0 44.0 34.7 4.7 5.0 13.3 21.0 A12-293 4.0 4.0 45.3 86.3 74.0 67.7 49.0 36.0 4.7 4.3 38.7 60.7 J-2797 4.0 4.3 38.0 77.7 86.3 64.0 39.7 35.7 4.3 5.0 41.3 64.3 PROSPERITY 5.3 5.0 46.3 79.0 81.3 60.3 48.7 38.0 4.3 4.3 32.0 45.7 STARR 4.3 4.7 52.3 76.0 65.7 51.3 54.0 39.3 4.3 4.0 26.7 40.0 DLF-KB-3639 3.3 4.3 55.0 86.0 66.0 62.3 41.3 31.0 4.0 4.3 24.7 51.0 JERSEY 4.7 4.7 46.0 64.3 69.3 70.7 42.0 42.0 4.3 4.3 26.3 42.3 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2023 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES (SHADE), IA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ COLOR COLOR PERCENT GROUND COVER FROM APRIL-NOVEMBER QUALITY QUALITY PERCENT ESTABLISHMENT NAME OCTOBER NOVEMBER APRIL MAY JULY AUGUST OCTOBER NOVEMBER OCT 2023 NOV 2023 OCTOBER NOVEMBER SHAMROCK 4.7 4.3 57.0 91.0 67.0 55.7 42.0 33.3 4.3 4.3 31.0 52.3 DLF-KB-3636 5.0 5.3 53.7 79.0 63.7 58.3 41.7 29.3 4.3 4.7 25.3 43.3 ACOUSTIC 4.3 4.3 44.0 84.7 78.3 58.3 49.0 30.0 4.3 5.0 39.0 51.3 LIGHTNING 5.3 5.0 45.3 74.0 64.0 63.7 39.7 31.3 4.7 4.0 26.3 35.0 MIDNIGHT 3.0 5.3 42.7 85.0 54.0 51.0 44.3 28.7 4.7 5.3 41.0 51.0 A15-17 5.3 6.0 27.0 57.7 77.3 54.0 43.0 27.7 4.3 4.3 16.7 27.3 KENBLUE 4.0 4.3 54.3 93.7 33.0 42.7 47.0 36.3 4.3 4.3 37.7 51.3 PST-K19-208 5.0 4.7 36.3 75.3 57.7 45.3 36.7 33.7 4.3 4.3 24.7 36.0 PST-T15-44 4.3 4.7 44.3 82.0 47.3 45.0 40.0 29.3 4.0 4.3 34.7 48.7 DLF-KB-3637 7.0 5.0 34.3 77.7 62.3 51.3 32.0 27.0 4.0 4.0 9.3 22.7 J-1331 4.3 4.0 48.3 77.0 61.0 50.7 26.7 16.0 4.3 5.0 31.7 61.0 PST-K20-3 5.3 5.3 31.7 64.7 56.0 50.3 39.3 30.0 4.3 4.0 17.3 28.3 NAI-21-136 3.7 5.7 42.7 71.3 61.3 40.3 42.0 23.0 4.0 4.3 18.0 32.7 GO-Y301 4.3 4.3 45.7 74.3 56.3 44.0 38.0 26.0 4.0 4.3 23.3 44.3 PST-K19-201 5.7 5.7 44.3 69.0 75.3 32.3 24.7 18.7 4.7 4.7 21.7 31.7 GO-Y312 4.3 4.7 50.7 77.3 50.3 36.3 27.3 17.3 4.0 4.0 15.0 35.7 PST-K17-182 5.3 5.3 46.7 63.0 57.0 38.3 30.7 22.0 4.3 4.3 26.0 37.3 NAI-19-58 4.7 6.0 36.3 82.3 59.0 33.0 29.3 18.7 4.0 4.3 20.0 23.3 A21-3 5.0 6.0 29.0 48.7 60.7 47.3 33.0 23.0 4.0 4.7 10.0 25.3 A21-6 6.3 7.0 28.0 59.7 47.3 41.0 23.7 17.7 4.3 5.0 17.0 21.3 PPG-KB2107 5.0 5.3 26.0 63.0 55.7 40.7 23.7 17.7 4.3 4.7 26.0 37.3 RIGHT 5.3 6.0 36.7 58.0 54.0 35.3 34.7 19.0 4.3 5.0 16.3 24.0 PPG-KB2108 5.3 5.0 23.7 64.0 41.0 30.0 35.7 20.3 4.7 4.3 23.3 36.7 PSM-231 6.7 7.3 27.7 49.7 55.3 21.0 29.3 18.3 5.0 4.3 10.3 13.3 A19-17 5.7 6.3 33.0 64.7 41.0 28.0 20.0 18.3 4.7 4.7 18.0 22.0 NAI-21-127 6.3 6.0 43.7 68.7 31.3 18.0 14.0 9.3 5.0 4.3 11.3 25.0 LSD VALUE 3.2 2.3 36.1 41.1 52.2 26.4 25.3 22.2 2.9 1.9 22.9 29.5 C.V. (%) 25.9 21.3 28.4 20.7 30.9 27.2 31.3 36.5 14.3 12.9 41.6 35.6 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. 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 IA1 SANDY CLAY LOAM 7.1-7.5 0-60 0-150 2.1-3.0 PARTIAL SHADE 2.6-3.0 TO PREVENT DORMANCY