TABLE 7. MEAN TURFGRASS QUALITY RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT LEXINGTON, KY 1/ 2020 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME MAR APR MAY JUN JUL AUG SEP OCT MEAN BLUE GEM (NAI-13-9) 7.0 7.0 6.3 6.0 4.7 6.7 6.3 8.0 6.5 UNITED (NAI-13-14) 6.7 7.0 6.3 5.7 4.7 6.7 7.0 7.7 6.5 PROSPERITY 7.7 7.0 6.7 6.0 5.0 6.0 5.7 7.0 6.4 BLUE DEVIL 7.0 7.0 6.0 5.7 5.0 6.3 6.0 7.3 6.3 FINISH LINE (NAI-14-178) 7.3 6.7 6.7 6.3 4.3 6.3 5.7 7.3 6.3 BAR PP 79366 7.3 6.7 6.7 6.3 4.3 5.3 5.3 7.3 6.2 NURUSH (J-3510) 6.7 6.7 6.7 6.3 5.0 5.7 5.3 7.0 6.2 STARR (GO-2628) 7.0 7.0 6.0 6.0 4.7 6.3 6.0 6.7 6.2 TWILIGHT (NAI-13-132) 7.0 7.0 6.3 5.7 4.7 6.0 5.7 7.0 6.2 BABE 6.7 6.7 6.0 6.0 5.0 6.3 5.7 6.7 6.1 BARSERATI (BAR PP 110358) 7.0 6.3 6.3 6.0 4.3 6.3 5.7 6.7 6.1 J-1138 7.7 6.7 6.7 6.0 4.7 6.0 5.3 6.0 6.1 J-1319 7.0 6.3 6.7 6.3 5.0 5.7 5.7 6.3 6.1 PST-K15-172 7.0 7.0 6.3 5.7 4.3 6.0 5.7 6.7 6.1 SKYE 6.7 7.0 5.7 6.0 4.7 6.0 5.7 7.0 6.1 A11-26 7.3 6.7 6.7 6.3 4.0 5.0 5.0 6.7 6.0 A11-38 7.0 6.0 6.3 6.3 4.3 5.3 5.3 7.0 6.0 A99-2897 7.0 6.0 6.0 5.7 4.7 6.0 5.7 7.0 6.0 AKB3241 7.0 6.3 5.3 6.0 4.7 6.3 6.0 6.7 6.0 BOMBAY (GO-22B23) 6.7 6.3 6.3 5.3 4.0 6.3 6.0 7.3 6.0 DLFPS-340/3444 6.7 6.3 5.7 6.3 4.3 6.0 6.0 6.7 6.0 DLFPS-340/3500 7.7 7.0 6.7 6.0 4.3 5.0 5.0 6.7 6.0 ELECTRIC (PST-K11-118) 6.7 6.3 6.0 6.0 4.7 6.0 6.0 6.7 6.0 NAI-14-122 6.7 7.0 5.3 6.0 4.7 5.7 5.7 7.0 6.0 PPG-KB 1304 7.0 6.3 6.0 5.7 4.0 6.0 5.7 7.0 6.0 SELWAY 6.7 6.3 6.0 6.3 5.0 6.0 5.7 6.3 6.0 SYRAH (LTP-11-41) 7.0 6.3 6.0 6.0 4.0 5.3 5.7 7.3 6.0 A06-8 7.0 6.3 6.3 5.7 4.0 5.7 5.7 6.7 5.9 CLOUD (GO-2425) 7.0 6.7 6.0 5.3 4.3 5.7 5.7 6.3 5.9 DLFPS-340/3548 7.0 6.3 6.0 6.0 4.3 5.7 5.3 6.7 5.9 A16-1 7.0 6.3 5.3 6.0 4.7 5.3 5.3 6.3 5.8 A16-2 7.0 6.0 6.0 6.3 4.7 5.3 5.0 6.0 5.8 A16-7 7.3 6.0 6.0 6.0 4.7 5.0 5.0 6.3 5.8 AKB3179 6.7 6.3 6.0 6.3 4.0 5.7 5.3 6.3 5.8 BLUE KNIGHT 7.3 6.7 6.0 5.7 4.3 5.3 5.0 6.3 5.8 DLFPS-340/3446 7.3 6.3 6.0 5.7 4.0 5.7 5.3 6.3 5.8 DLFPS-340/3552 7.0 6.0 6.0 6.0 4.3 5.3 5.0 6.3 5.8 JERSEY (NAI-A16-3) 7.0 7.0 6.0 5.0 3.7 5.7 5.3 6.7 5.8 ORION (PST-K13-143) 7.0 6.3 6.0 6.0 4.3 5.3 5.3 6.0 5.8 RAD-1776 6.7 6.0 5.3 7.0 4.3 5.7 5.0 6.7 5.8 A13-1 7.0 7.0 6.3 5.7 3.3 5.0 5.0 6.0 5.7 BAR PP 79494 6.7 6.3 6.3 4.7 4.3 5.3 5.7 6.0 5.7 DLFPS-340/3550 7.0 6.3 6.3 4.3 4.0 5.3 5.7 6.3 5.7 DLFPS-340/3556 7.3 7.0 7.0 6.3 4.3 4.3 4.0 5.3 5.7 J-2726 7.7 6.7 6.0 5.7 4.0 5.0 4.0 6.3 5.7 MIDNIGHT 6.7 7.0 6.0 5.3 4.0 5.3 4.7 6.3 5.7 MVS-130 6.7 6.3 5.7 6.0 4.7 5.3 5.0 5.7 5.7 PPG-KB 1131 6.7 7.0 6.0 5.0 4.3 5.3 5.3 6.0 5.7 PPG-KB 1320 6.7 6.7 6.3 6.0 4.3 5.0 4.7 6.0 5.7 A11-40 6.3 6.0 5.7 5.7 4.3 5.0 5.3 6.7 5.6 TABLE 7. MEAN TURFGRASS QUALITY RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT LEXINGTON, KY 1/ 2020 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME MAR APR MAY JUN JUL AUG SEP OCT MEAN DLFPS-340/3551 7.7 6.3 5.7 6.3 4.0 4.7 4.7 5.3 5.6 DLFPS-340/3553 7.3 6.3 6.0 5.0 3.7 5.0 5.3 6.0 5.6 NAI-14-132 7.0 6.3 6.3 6.0 3.7 5.0 4.7 6.0 5.6 PALOMA (PST-K13-139) 7.0 6.7 5.7 5.7 4.0 5.3 4.7 5.7 5.6 RAD 553 6.7 6.7 5.3 6.3 4.7 5.0 4.7 5.7 5.6 A12-34 7.3 6.3 6.0 5.3 4.0 4.3 5.0 5.7 5.5 AKB3128 7.0 6.0 5.3 5.3 3.7 4.7 5.7 6.3 5.5 AVIATOR II (NAI-15-84) 6.7 6.7 6.0 5.7 4.0 5.0 5.0 4.7 5.5 DUBLIN (PST-K15-157) 7.3 6.0 6.0 5.7 4.0 4.7 4.3 5.7 5.5 HEARTLAND (NAI-14-187) 7.0 6.0 5.0 5.3 4.0 5.3 5.0 6.0 5.5 KH3492 6.7 6.3 5.3 5.3 4.0 5.0 5.0 6.0 5.5 PST-K13-141 6.3 6.3 6.0 6.0 3.7 4.7 4.7 6.0 5.5 PST-K15-167 6.7 6.3 6.3 5.0 4.3 5.0 5.0 5.3 5.5 A10-280 6.3 5.7 5.7 6.0 3.7 5.0 4.7 6.0 5.4 BARVETTE HGT? 6.0 5.7 5.3 5.0 4.3 5.7 5.3 6.0 5.4 DLFPS-340/3549 6.3 6.0 5.7 5.7 4.0 4.7 5.0 5.7 5.4 PIVOT 7.0 6.7 5.7 5.3 3.7 4.7 5.0 5.3 5.4 A15-6 7.0 6.0 6.0 5.7 3.7 4.0 4.7 5.7 5.3 AFTER MIDNIGHT 6.7 6.7 6.7 4.7 3.0 4.3 4.7 5.7 5.3 COMANCHE (NAI-14-176) 6.7 6.3 5.0 5.7 4.0 4.7 4.7 5.0 5.3 DLFPS-340/3364 6.7 6.7 6.0 5.0 4.0 4.7 4.3 5.0 5.3 DLFPS-340/3438 7.0 6.0 5.7 6.0 3.7 4.3 4.3 5.3 5.3 NEW MOON (PST-K15-177) 7.0 6.7 6.0 5.0 3.7 4.3 4.3 5.0 5.3 NK-1 6.7 5.7 5.3 5.7 3.7 5.0 4.7 5.7 5.3 YELLOWSTONE (A12-7) 7.0 6.0 5.0 5.7 4.0 4.7 4.7 5.3 5.3 DLFPS-340/3455 6.3 5.3 5.0 5.3 4.0 5.3 5.3 4.7 5.2 SHAMROCK 6.7 5.7 5.7 4.7 4.0 5.0 4.7 5.3 5.2 BAR PP 7309V 7.0 6.0 5.0 4.7 2.7 4.3 5.3 5.7 5.1 KENBLUE 6.0 5.0 5.0 5.7 3.7 5.0 5.0 5.3 5.1 A16-17 6.0 6.3 6.0 5.0 3.3 4.3 4.3 5.0 5.0 BAR PP 7236V 6.0 5.7 5.3 4.7 3.3 4.7 5.0 5.3 5.0 PST-T14-39 6.3 6.3 5.3 4.7 3.7 4.3 3.7 5.3 5.0 BAR PP 7K426 6.0 5.7 5.0 4.7 3.3 5.0 4.7 5.0 4.9 NAI-14-128 5.7 5.7 5.7 5.3 3.7 4.3 4.0 5.0 4.9 AMAZE (NAI-14-133) 6.3 5.7 5.3 4.7 3.7 4.3 4.0 4.0 4.8 PST-11-7 6.0 6.0 6.0 5.0 3.3 4.0 3.7 4.7 4.8 BAR PP 71213 6.0 5.0 5.0 4.7 3.3 4.0 4.3 5.0 4.7 NAI-15-80 5.7 5.3 5.3 4.3 2.7 4.0 4.7 4.7 4.6 DLFPS-340/3494 6.3 6.0 4.7 3.7 2.3 3.3 3.3 3.3 4.1 LSD VALUE 1.2 0.9 0.9 1.6 1.6 1.6 1.9 2.7 0.9 C.V. (%) 8.2 8.1 8.9 13.4 17.2 15.7 16.5 18.7 8.9 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. 2020 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 KY1 ILT LOAM AND SILT 4.6-5.5 451+ 376-500 0.0-1.0 FULL SUN 2.1-2.5 ONLY DURING SEVERE STRESS