TABLE 17. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT STILLWATER, OK 1/ 2022 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC LEAF SUMMER FALL PERCENT GROUND COVER QUALITY RATINGS NAME COLOR TEXTURE DENSITY DENSITY SUMMER FALL JAN FEB MAR MAY JUL AUG OCT NOV DEC MEAN BARSERATI (BAR PP 110358) 5.7 7.3 6.7 6.3 63.3 88.0 3.7 3.7 7.3 7.0 7.3 7.3 6.7 7.7 7.0 6.4 BARVETTE HGT? 6.0 8.0 7.0 7.7 89.7 97.7 2.7 3.3 8.0 8.0 5.7 5.7 8.0 7.7 7.7 6.3 BAR PP 7236V 6.0 7.0 5.3 7.0 80.0 96.0 3.3 4.3 7.7 7.0 6.0 6.0 6.3 7.0 7.3 6.1 STARR (GO-2628) 7.3 7.0 5.0 7.0 80.0 94.7 3.7 4.0 7.3 8.0 5.3 5.3 6.7 7.3 7.7 6.1 A11-26 7.3 7.3 6.3 6.7 67.7 76.7 3.7 4.0 6.3 8.0 6.0 6.0 6.0 7.3 7.0 6.0 A15-6 7.3 6.7 4.7 6.7 86.7 81.3 3.0 4.3 7.0 7.3 6.3 6.3 6.7 6.7 6.7 6.0 CLOUD (GO-2425) 6.3 7.0 6.0 7.3 81.7 94.7 3.3 4.0 7.3 8.0 5.0 5.0 7.0 7.3 7.3 6.0 BLUE MAGIC (A99-2897) 7.3 7.0 6.3 6.0 86.7 80.0 3.3 4.7 5.7 6.7 6.0 6.0 7.3 6.3 7.0 5.9 SKYE 7.0 7.0 6.3 7.0 82.7 83.0 3.7 3.7 7.0 7.3 5.3 5.3 7.3 6.3 7.3 5.9 SYRAH (LTP-11-41) 7.3 7.0 5.0 6.0 71.7 66.3 3.7 3.7 6.3 7.3 7.0 7.0 5.7 6.0 6.0 5.9 NK-1 7.3 6.7 6.0 6.7 50.0 71.3 3.0 3.7 6.7 6.7 6.3 6.3 6.3 6.7 6.3 5.8 A16-17 6.0 7.0 7.0 6.7 68.3 71.7 2.3 2.7 6.0 7.3 7.0 7.0 7.0 6.3 6.0 5.7 BAR PP 7K426 6.3 6.7 5.7 6.0 79.7 68.3 3.3 3.7 7.0 7.7 5.7 5.7 6.0 6.3 5.7 5.7 PPG-KB 1304 7.7 7.0 6.0 6.7 81.7 87.7 3.0 3.3 7.3 6.7 6.3 6.3 6.3 5.7 6.0 5.7 PST-11-7 6.3 6.7 5.0 6.3 50.0 89.3 3.3 4.0 7.0 5.7 6.0 6.0 6.3 6.3 6.0 5.6 BLUE DEVIL 6.3 7.3 6.0 7.3 81.7 97.7 3.0 3.3 6.3 6.7 5.3 5.3 6.0 6.7 7.0 5.5 DLFPS-340/3552 7.0 7.0 6.7 7.0 68.3 71.7 3.3 3.3 6.0 6.3 6.7 6.7 6.0 6.0 5.3 5.5 A12-34 8.0 6.3 5.0 6.0 71.7 73.0 3.7 4.3 6.3 7.3 6.0 6.0 5.7 4.7 5.0 5.4 BAR PP 7309V 5.7 6.3 4.3 7.0 60.0 90.0 3.7 3.7 6.7 6.3 4.3 4.3 6.0 6.3 7.3 5.4 DLFPS-340/3444 6.0 6.7 5.0 6.3 68.3 66.7 3.0 4.0 6.7 7.0 5.3 5.3 5.7 5.7 6.3 5.4 ELECTRIC (PST-K11-118) 5.7 7.0 4.3 6.0 60.0 71.3 3.3 4.0 7.3 7.0 5.0 5.0 5.7 5.7 5.7 5.4 NAI-15-80 6.3 7.0 6.0 6.3 76.7 89.7 3.3 4.0 7.0 6.7 5.3 5.3 5.7 5.0 6.7 5.4 ORION (PST-K13-143) 7.0 6.7 3.3 6.0 61.7 89.7 3.3 4.7 7.0 7.3 4.0 4.0 5.7 6.3 6.3 5.4 SUPER MOON (PST-K13-141) 6.3 7.3 5.3 6.3 48.3 78.3 3.3 4.3 6.0 6.3 5.3 5.3 5.7 6.0 6.7 5.4 BAR PP 79494 6.0 6.7 5.7 6.3 83.3 66.3 3.3 4.0 6.0 4.3 6.7 6.7 5.3 6.0 5.0 5.3 BLUE GEM (NAI-13-9) 6.7 7.3 4.7 6.7 73.3 73.3 3.3 4.3 6.3 7.3 4.7 4.7 4.7 6.3 6.0 5.3 BOMBAY (GO-22B23) 7.3 7.0 4.0 6.3 71.7 89.3 3.7 4.3 6.7 6.3 4.3 4.3 5.7 5.7 7.0 5.3 J-1138 6.7 6.3 4.7 7.0 80.0 76.3 3.3 4.0 6.0 6.0 5.7 5.7 6.0 5.3 5.7 5.3 NAI-14-122 7.0 6.7 5.0 7.0 73.3 73.3 3.0 3.7 6.3 5.0 5.3 5.3 6.0 6.3 6.3 5.3 RAD-1776 6.3 6.7 4.0 5.7 65.0 53.3 3.7 4.0 7.0 7.7 3.7 3.7 5.3 6.3 6.0 5.3 SELWAY 6.7 8.0 4.7 6.7 86.7 71.3 3.0 3.3 6.0 7.3 4.7 4.7 5.3 6.7 7.0 5.3 AFTER MIDNIGHT 6.7 6.7 4.7 7.0 43.3 46.7 3.3 3.7 6.0 6.0 5.3 5.3 6.3 5.3 5.7 5.2 AMAZE (NAI-14-133) 5.7 7.7 5.7 6.3 64.7 66.3 3.0 3.7 6.0 6.0 5.3 5.3 6.0 5.0 6.7 5.2 BAR PP 71213 6.3 6.3 3.7 7.0 65.0 75.0 3.3 3.3 7.0 5.7 4.7 4.7 6.0 5.7 6.3 5.2 DUBLIN (PST-K15-157) 7.0 6.7 3.7 6.0 46.7 59.7 3.0 4.0 6.0 6.0 5.0 5.0 6.0 5.7 6.3 5.2 PST-K15-172 6.7 6.7 4.3 6.7 68.3 68.3 3.0 2.3 5.3 6.3 6.3 6.3 5.7 5.7 5.7 5.2 ACOUSTIC (PPG-KB 1131) 5.7 6.7 5.3 6.0 86.7 83.3 2.7 4.0 5.7 5.0 5.0 5.0 6.7 6.7 5.3 5.1 AKB3128 7.7 6.7 4.3 6.3 75.0 70.0 3.0 3.3 6.7 7.0 4.7 4.7 5.3 5.3 5.7 5.1 BLUE KNIGHT 7.3 6.7 4.0 6.3 60.0 76.7 3.3 4.0 6.7 5.7 4.3 4.3 4.7 6.0 6.7 5.1 DLFPS-340/3494 7.0 6.7 3.7 6.0 53.3 92.7 3.0 3.7 6.3 7.0 3.7 3.7 6.3 5.3 6.7 5.1 HEARTLAND (NAI-14-187) 6.7 7.0 4.3 5.7 60.0 43.3 2.7 3.3 6.0 7.0 5.3 5.3 6.0 4.3 5.7 5.1 KH3492 7.0 7.0 3.7 6.0 70.0 73.3 3.7 4.0 7.3 7.3 3.7 3.7 4.7 5.3 6.3 5.1 MIDNIGHT 7.0 7.3 3.3 5.7 38.3 66.7 3.3 4.0 6.3 7.7 4.3 4.3 5.3 5.3 5.3 5.1 NAI-14-128 7.0 7.0 2.7 6.7 40.0 71.7 3.0 4.0 6.7 7.3 4.0 4.0 5.0 5.3 6.3 5.1 PST-T14-39 5.7 7.0 3.0 4.7 40.7 50.0 3.0 4.3 6.3 7.3 4.7 4.7 5.0 5.3 5.0 5.1 RAD 553 6.7 7.0 3.7 6.3 45.0 60.0 3.0 3.7 7.3 7.0 4.3 4.3 5.3 5.3 6.0 5.1 A16-7 7.0 6.7 4.7 6.3 43.3 60.0 3.3 3.7 6.3 7.0 4.3 4.3 4.3 5.7 6.3 5.0 DLFPS-340/3364 6.7 6.7 4.0 5.3 66.7 63.0 3.0 4.0 6.0 6.3 5.3 5.3 5.0 5.3 5.0 5.0 DLFPS-340/3553 6.0 6.7 3.7 6.0 66.7 70.0 3.3 3.7 6.3 6.0 3.3 3.3 6.3 6.3 6.7 5.0 UNITED (NAI-13-14) 6.0 7.0 5.3 6.0 57.7 89.3 3.3 3.7 6.3 7.0 4.3 4.3 5.3 5.7 5.3 5.0 TABLE 17. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT STILLWATER, OK 1/ 2022 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC LEAF SUMMER FALL PERCENT GROUND COVER QUALITY RATINGS NAME COLOR TEXTURE DENSITY DENSITY SUMMER FALL JAN FEB MAR MAY JUL AUG OCT NOV DEC MEAN A10-280 6.0 6.7 4.7 4.3 53.3 65.0 3.3 4.0 6.0 5.7 5.0 5.0 5.0 4.7 5.0 4.9 A11-40 5.3 6.7 3.3 5.0 60.0 56.7 3.7 4.7 7.0 7.0 3.0 3.0 4.3 5.7 6.0 4.9 A13-1 6.7 6.7 3.3 5.7 40.0 53.3 3.3 4.0 7.0 7.7 3.3 3.3 5.3 5.0 5.3 4.9 DLFPS-340/3548 6.7 6.3 3.0 6.7 63.3 76.3 3.3 3.3 6.3 7.0 3.7 3.7 5.0 6.0 5.3 4.9 AKB3179 7.0 7.0 5.0 6.3 81.7 70.0 3.0 3.7 6.3 7.0 3.3 3.3 5.0 5.3 6.0 4.8 JERSEY (NAI-A16-3) 6.0 6.7 4.3 6.7 75.0 81.7 3.0 3.0 7.0 7.3 2.7 2.7 6.3 5.3 6.0 4.8 AVIATOR II (NAI-15-84) 6.0 6.7 4.0 5.3 50.0 56.7 2.7 3.7 6.0 6.0 4.0 4.0 5.3 5.7 5.3 4.7 BABE 6.0 7.0 4.7 5.7 28.3 48.3 3.3 4.3 7.0 5.7 3.7 3.7 4.3 5.0 5.0 4.7 DLFPS-340/3551 7.0 7.0 3.7 5.7 46.7 76.7 2.7 3.7 6.7 6.3 3.7 3.7 5.3 5.3 5.3 4.7 FINISH LINE (NAI-14-178) 7.0 7.0 3.3 6.0 43.3 53.3 3.3 4.0 6.3 6.3 3.3 3.3 5.7 5.3 4.7 4.7 YELLOWSTONE (A12-7) 5.7 5.7 2.3 4.7 43.3 56.7 3.3 3.7 6.3 7.0 3.7 3.7 5.0 5.3 4.7 4.7 AKB3241 7.0 6.7 5.0 5.3 41.7 45.0 2.3 3.3 6.3 5.7 4.0 4.0 5.7 5.0 5.0 4.6 DLFPS-340/3549 7.0 6.7 3.0 6.0 41.7 63.3 3.0 3.7 7.0 7.3 2.7 2.7 4.3 5.3 5.3 4.6 KENBLUE 6.3 7.3 3.7 6.7 43.3 59.7 2.7 3.3 6.7 6.0 4.3 4.3 3.7 5.0 5.7 4.6 NEW MOON (PST-K15-177) 7.0 7.0 3.7 5.3 70.0 88.0 3.0 3.3 5.7 7.0 3.0 3.0 4.7 6.0 5.7 4.6 PST-K15-167 6.3 6.3 4.7 6.7 50.0 58.3 2.7 3.0 5.7 3.7 5.0 5.0 5.3 5.3 5.3 4.6 TWILIGHT (NAI-13-132) 5.7 6.3 4.0 6.0 56.7 80.0 3.3 3.7 6.0 6.3 3.3 3.3 5.0 4.3 5.7 4.6 BAR PP 79366 6.3 7.0 3.7 5.3 63.3 46.7 3.3 3.3 5.7 5.3 3.7 3.7 5.3 5.0 5.3 4.5 DLFPS-340/3446 6.3 6.7 4.0 5.3 45.0 48.3 3.0 4.0 6.0 4.3 3.7 3.7 5.0 4.7 5.3 4.4 DLFPS-340/3455 7.0 6.3 1.7 5.7 23.3 43.3 3.0 3.7 7.3 6.3 2.3 2.3 4.3 4.3 6.3 4.4 DLFPS-340/3500 6.7 6.7 4.0 5.7 40.0 40.0 3.0 3.3 5.0 6.3 3.7 3.7 5.3 4.7 5.0 4.4 J-2726 5.3 6.0 4.3 6.7 35.0 40.0 3.7 3.7 6.0 4.7 3.7 3.7 4.3 5.0 4.7 4.4 NURUSH (J-3510) 6.7 7.0 3.0 7.0 48.3 66.7 3.0 4.0 6.0 5.0 3.0 3.0 5.3 5.0 5.0 4.4 A16-2 6.7 7.0 4.0 6.0 29.0 60.0 3.3 3.7 7.0 7.0 2.3 2.3 3.7 4.3 5.3 4.3 COMANCHE (NAI-14-176) 6.7 7.0 3.0 5.3 55.0 33.3 3.0 3.3 6.0 5.3 3.0 3.0 4.7 4.7 5.3 4.3 DLFPS-340/3438 7.7 6.7 2.3 5.7 12.7 41.7 3.0 3.7 7.0 6.3 3.0 3.0 2.7 4.7 4.3 4.2 MVS-130 7.0 6.7 3.7 5.7 36.7 60.0 2.3 3.0 6.0 6.3 3.7 3.7 4.3 3.3 4.7 4.1 NAI-14-132 7.0 7.3 2.7 6.0 46.7 60.0 3.0 3.0 5.7 4.7 3.3 3.3 4.0 4.3 6.0 4.1 SHAMROCK 6.3 6.3 1.7 4.0 12.7 33.3 3.0 3.7 6.7 7.0 3.0 3.0 3.0 3.3 4.3 4.1 DLFPS-340/3550 7.0 7.0 3.3 5.3 55.0 48.3 2.7 3.3 5.3 5.7 2.7 2.7 4.3 4.7 5.0 4.0 A06-8 6.7 7.0 1.7 5.0 22.3 53.3 2.7 3.7 5.7 5.0 3.0 3.0 3.7 4.3 4.0 3.9 A16-1 6.3 7.0 2.0 6.0 11.7 26.7 3.3 3.7 6.0 6.7 2.0 2.0 2.7 3.7 5.3 3.9 PALOMA (PST-K13-139) 6.7 7.0 2.7 5.3 18.3 30.0 3.0 3.7 6.0 7.0 2.3 2.3 3.7 3.3 3.7 3.9 PROSPERITY 5.7 7.0 2.7 4.7 35.0 41.7 2.7 3.3 5.0 4.0 3.3 3.3 5.3 4.3 4.0 3.9 DLFPS-340/3556 7.0 6.3 2.3 4.7 9.0 25.0 3.0 3.3 5.7 5.3 2.7 2.7 3.3 3.7 4.7 3.8 PIVOT 6.0 7.0 3.3 6.0 39.0 43.3 2.7 2.3 4.3 4.3 3.0 3.0 5.0 4.7 4.7 3.8 J-1319 5.7 7.0 3.3 5.7 39.0 40.0 2.7 3.0 5.3 4.3 2.7 2.7 3.3 4.0 5.0 3.7 A11-38 6.0 6.7 2.0 4.7 21.0 50.0 2.7 3.0 4.7 5.7 2.7 2.7 3.7 3.0 4.3 3.6 PPG-KB 1320 6.7 6.7 1.7 4.0 34.0 40.0 2.3 2.7 4.3 3.3 2.7 2.7 3.0 3.0 4.0 3.1 LSD VALUE 1.2 1.3 4.1 2.9 77.1 61.8 1.6 1.6 2.3 3.6 3.0 3.0 7.8 6.8 3.9 1.9 C.V.(%) 10.0 7.5 41.8 18.0 51.9 38.3 16.7 17.8 15.2 22.8 34.9 34.9 35.1 31.7 23.5 17.4 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 A. 2022 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2017 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 OK1 LOAM 7.1-7.5 61-150 241-375 3.1-4.0 FULL SUN 2.6-3.0 TO PREVENT STRESS