TABLE 5. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2023 NATIONAL KENTUCKY BLUEGRASS TEST AT AMHERST, MA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT QUALITY RATINGS NAME ESTABLISHMENT MAY JUN JUL AUG SEP OCT NOV DEC MEAN J-2830 65.0 7.3 6.3 6.3 6.3 6.3 6.3 6.3 6.0 6.4 ACOUSTIC 76.7 6.3 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 J-1249 60.0 6.0 5.0 6.0 6.0 6.3 6.0 6.3 6.0 6.0 MIDNIGHT 70.0 5.7 5.7 5.7 6.0 6.0 6.0 6.0 5.0 5.8 PROSPERITY 63.3 6.0 5.7 5.7 5.7 6.0 6.0 6.0 5.0 5.8 DLF-KB-3635 81.7 5.7 5.3 5.3 5.7 6.0 6.0 6.0 5.7 5.7 A15-14 80.0 6.3 5.3 5.7 5.3 5.0 4.7 5.3 4.3 5.3 BARSERATI 85.0 6.3 5.3 4.7 4.7 5.3 5.0 5.7 5.7 5.3 BOMBAY 61.7 5.0 5.0 5.0 5.0 5.0 5.7 5.7 5.7 5.3 NAI-20-137 78.3 5.7 5.0 5.0 5.0 5.0 5.3 6.0 5.0 5.3 PST-K19-208 61.7 5.3 5.0 5.0 5.3 5.3 6.0 5.3 5.3 5.3 JERSEY 66.7 6.0 5.3 4.7 4.7 4.7 5.3 5.3 5.3 5.2 PVF-A17-842 58.3 6.0 5.3 5.3 4.7 5.3 5.0 5.0 5.0 5.2 RESOLUTION 76.7 5.3 5.0 5.0 5.0 5.7 5.3 5.3 4.7 5.2 A12-293 70.0 5.0 4.7 5.0 5.0 5.3 5.3 5.3 5.0 5.1 PPG-KB2108 76.7 5.3 4.7 4.3 4.7 5.3 5.3 5.7 5.3 5.1 DLF-KB-3636 58.3 5.3 5.3 4.7 5.3 5.3 4.7 4.3 4.7 5.0 A15-16 65.0 6.3 5.3 5.3 5.0 5.0 4.7 4.7 3.7 5.0 J-2797 70.0 5.0 5.0 5.0 4.7 4.7 4.7 5.7 5.0 5.0 STARR 75.0 5.3 4.7 4.7 5.0 5.0 5.0 5.7 4.7 5.0 DLF-KB-3633 68.3 5.3 5.3 4.7 4.7 4.3 4.3 4.7 4.0 4.7 PST-K17-182 76.7 5.0 4.3 4.7 4.3 4.7 4.7 5.3 4.7 4.7 RIGHT 75.0 5.3 4.3 4.3 4.7 4.7 4.7 5.0 4.7 4.7 PST-K19-206 76.7 4.3 4.3 4.7 4.3 4.7 4.7 5.0 4.7 4.6 DLF-KB-3639 70.0 4.7 5.3 4.3 4.3 4.3 4.7 4.3 4.3 4.5 DLF-KB-3640 78.3 5.3 4.0 4.0 4.3 4.3 4.3 5.0 4.3 4.5 A12-266 66.7 4.7 4.3 4.0 5.0 4.0 4.7 4.7 5.0 4.5 J-1331 71.7 4.7 4.3 4.0 4.0 4.3 4.7 5.0 4.7 4.5 SHAMROCK 73.3 4.0 4.0 4.0 4.3 4.0 5.0 4.7 4.0 4.3 DLF-KB-3634 68.3 4.7 4.3 3.7 3.3 4.3 4.0 4.7 4.3 4.2 A19-17 56.7 4.7 4.3 4.0 3.3 4.0 4.0 4.3 4.3 4.1 TABLE 5. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2023 NATIONAL KENTUCKY BLUEGRASS TEST AT AMHERST, MA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT QUALITY RATINGS NAME ESTABLISHMENT MAY JUN JUL AUG SEP OCT NOV DEC MEAN A21-3 63.3 5.3 4.3 4.0 3.3 3.7 3.3 4.3 4.3 4.1 A21-11 70.0 4.7 4.0 4.0 3.3 4.0 4.0 4.7 3.7 4.0 ARIES 56.7 4.3 3.7 4.0 3.3 4.0 4.0 4.0 4.3 4.0 BARON 65.0 5.0 4.3 4.3 3.7 3.3 4.0 4.0 3.7 4.0 GO-Y301 56.7 4.7 4.0 4.0 4.0 3.3 3.7 4.3 4.3 4.0 PST-K19-201 50.0 4.0 3.7 3.7 4.0 3.7 4.3 4.7 4.3 4.0 PST-K20-1 63.3 3.7 4.0 4.0 3.3 4.0 3.7 4.0 4.3 3.9 A21-6 63.3 4.3 4.3 3.3 3.3 4.3 3.3 3.7 3.7 3.8 NAI-21-136 60.0 4.3 3.3 3.0 3.3 3.7 3.3 4.3 4.3 3.7 RAD 3240 66.7 4.3 4.0 4.0 3.0 3.7 3.3 4.0 3.3 3.7 PPG-KB2107 75.0 4.0 3.7 3.3 3.3 4.0 3.7 3.7 3.0 3.6 PST-T15-44 63.3 3.7 3.3 3.0 3.7 3.7 3.7 4.3 3.7 3.6 DLF-KB-3638 60.0 4.0 3.0 3.0 3.0 3.7 3.3 3.3 4.3 3.5 LTP-A21-41 70.0 4.3 3.3 3.3 3.3 3.7 3.3 3.3 3.7 3.5 SKYLINE 55.0 4.3 3.3 3.0 2.7 4.0 3.0 3.3 4.3 3.5 A15-17 61.7 4.3 3.0 3.0 3.0 3.3 3.3 3.7 3.3 3.4 GO-Y312 63.3 4.0 3.3 3.0 3.0 3.3 3.3 3.7 3.3 3.4 DLF-KB-3637 50.0 3.7 3.0 3.3 3.0 3.3 3.0 3.3 3.3 3.3 PSM-231 50.0 4.0 3.3 3.3 3.3 3.3 2.3 3.3 3.3 3.3 PST-K22-11 65.0 3.7 3.3 3.7 3.0 3.3 2.3 3.3 4.0 3.3 PST-K20-3 60.0 3.3 2.3 3.0 3.0 3.3 3.3 3.7 3.7 3.2 KENBLUE 70.0 3.7 3.3 3.0 3.0 3.0 3.0 3.0 3.0 3.1 LIGHTNING 50.0 3.3 3.3 3.0 3.0 3.3 2.3 3.3 2.7 3.0 NAI-19-58 68.3 4.0 3.3 2.7 2.3 2.7 2.7 3.3 3.3 3.0 NAI-21-127 60.0 3.3 3.3 3.0 3.0 2.7 2.7 3.0 2.7 3.0 LSD VALUE 18.4 0.8 0.7 0.5 0.6 0.7 0.7 0.7 0.6 0.4 C.V. (%) 14.4 10.6 10.4 8.4 9.5 10.9 10.4 9.9 8.6 5.6 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 MA1 SILT LOAM AND SILT 5.6-6.0 61-150 151-240 2.1-3.0 FULL SUN 0.0-0.5 TO PREVENT STRESS