TABLE 7. MEAN TURFGRASS QUALITY RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT COLLEGE PARK, MD 1/ 2021 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME MAY JUN JUL AUG SEP OCT NOV MEAN PPG-KB 1131 7.0 8.0 7.3 7.7 8.0 8.3 7.7 7.7 BAR PP 79494 7.0 7.7 7.0 8.0 7.7 7.7 8.0 7.6 BLUE GEM (NAI-13-9) 7.3 8.0 7.3 7.3 7.3 8.7 7.3 7.6 J-1138 7.0 8.0 6.7 7.7 8.0 8.3 7.3 7.6 AFTER MIDNIGHT 7.3 7.7 6.3 7.3 7.7 7.7 7.3 7.3 MIDNIGHT 6.7 7.3 6.7 7.3 7.7 8.0 7.3 7.3 CLOUD (GO-2425) 7.3 7.7 6.3 7.0 7.7 7.7 7.0 7.2 NEW MOON (PST-K15-177) 7.3 7.3 7.7 7.0 7.3 7.3 6.7 7.2 NURUSH (J-3510) 7.3 7.7 6.7 7.0 7.7 7.3 7.0 7.2 PROSPERITY 6.3 7.3 7.3 7.0 7.7 7.7 7.0 7.2 STARR (GO-2628) 7.0 7.3 6.7 7.3 7.3 8.0 7.0 7.2 A11-40 6.7 7.0 6.0 6.7 8.0 8.0 7.3 7.1 A16-7 6.0 7.3 6.7 7.0 8.0 7.3 7.3 7.1 DLFPS-340/3552 7.0 7.7 6.3 6.7 7.3 8.0 7.0 7.1 PPG-KB 1304 6.0 7.0 6.3 7.7 8.0 7.7 7.0 7.1 SKYE 6.3 7.3 6.3 7.3 7.3 8.0 7.3 7.1 A06-8 6.0 7.0 6.3 6.7 7.7 8.0 7.3 7.0 A11-26 7.0 7.3 6.0 6.3 8.0 7.7 7.0 7.0 A16-17 6.0 7.0 6.7 7.7 7.0 7.3 7.0 7.0 BAR PP 79366 7.3 7.3 6.0 5.3 7.7 8.3 7.0 7.0 ELECTRIC (PST-K11-118) 6.0 7.3 7.0 7.3 7.3 7.0 7.0 7.0 J-2726 7.0 7.0 6.0 6.7 7.3 7.7 7.3 7.0 PPG-KB 1320 6.3 7.7 8.0 7.7 7.3 6.3 6.0 7.0 A11-38 6.7 7.0 6.3 6.7 7.3 7.7 6.7 6.9 BARSERATI (BAR PP 110358) 6.7 7.0 5.3 7.7 7.7 7.3 6.0 6.8 BOMBAY (GO-22B23) 6.7 7.0 6.3 6.7 7.0 7.3 6.3 6.8 COMANCHE (NAI-14-176) 6.3 7.3 5.7 6.7 7.3 7.3 7.0 6.8 FINISH LINE (NAI-14-178) 6.3 7.0 5.7 6.7 7.7 7.7 6.7 6.8 KH3492 6.3 6.7 5.7 6.7 7.3 7.7 7.0 6.8 MVS-130 6.7 7.0 6.7 6.3 7.0 7.7 6.3 6.8 NAI-14-128 6.7 7.0 6.0 6.0 7.0 7.7 7.0 6.8 NAI-15-80 5.3 6.7 6.0 7.3 7.7 7.7 7.0 6.8 PST-K15-172 6.0 7.0 6.3 7.0 7.0 7.3 7.0 6.8 YELLOWSTONE (A12-7) 5.7 6.7 6.3 6.3 7.3 8.0 7.0 6.8 A99-2897 6.0 6.3 6.0 7.0 7.0 7.3 7.0 6.7 NAI-14-122 6.7 6.7 6.0 6.3 7.0 7.3 7.0 6.7 RAD-1776 5.7 7.0 6.7 7.0 7.3 7.3 6.0 6.7 SYRAH (LTP-11-41) 6.3 6.0 5.0 6.0 7.3 8.3 8.0 6.7 UNITED (NAI-13-14) 6.7 7.0 6.0 6.0 7.0 7.0 7.3 6.7 A12-34 6.0 7.0 6.3 6.3 6.7 7.0 6.7 6.6 DUBLIN (PST-K15-157) 5.0 6.3 6.7 7.3 7.0 7.0 6.7 6.6 HEARTLAND (NAI-14-187) 6.3 6.7 5.7 6.0 7.3 7.3 7.0 6.6 JERSEY (NAI-A16-3) 7.7 6.7 5.0 5.7 7.0 7.3 6.7 6.6 PST-K13-141 5.3 6.7 6.0 7.7 7.0 7.0 6.7 6.6 BLUE DEVIL 5.7 6.3 5.3 6.7 7.0 7.7 6.7 6.5 DLFPS-340/3364 5.7 6.7 6.0 6.7 6.7 7.0 6.7 6.5 DLFPS-340/3500 6.0 6.7 5.7 6.3 7.0 7.3 6.7 6.5 A16-1 6.0 6.3 5.7 6.3 7.7 6.3 6.3 6.4 BABE 6.3 6.7 5.7 6.3 6.3 7.0 6.7 6.4 BAR PP 7309V 6.0 6.3 5.0 6.0 7.3 7.3 6.7 6.4 TABLE 7. MEAN TURFGRASS QUALITY RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT COLLEGE PARK, MD 1/ 2021 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME MAY JUN JUL AUG SEP OCT NOV MEAN BARVETTE HGT? 4.7 6.0 6.3 7.0 7.0 7.3 6.7 6.4 DLFPS-340/3444 5.7 6.3 5.3 6.7 7.0 7.0 6.7 6.4 DLFPS-340/3494 6.0 6.3 6.0 6.3 6.7 7.3 6.3 6.4 DLFPS-340/3550 6.7 6.3 5.0 6.3 7.0 7.3 6.3 6.4 TWILIGHT (NAI-13-132) 6.0 6.7 6.0 6.0 7.3 6.7 6.3 6.4 AKB3241 6.3 6.3 6.0 6.0 6.7 7.0 6.0 6.3 AVIATOR II (NAI-15-84) 5.0 6.0 6.7 6.7 7.0 6.7 6.3 6.3 BAR PP 7236V 6.0 6.3 5.3 6.7 7.0 6.7 6.3 6.3 DLFPS-340/3438 5.7 6.3 6.0 6.0 6.7 7.0 6.3 6.3 DLFPS-340/3548 6.0 6.3 5.7 6.7 6.3 7.0 6.3 6.3 DLFPS-340/3553 5.0 6.3 5.7 6.7 7.3 7.0 6.3 6.3 DLFPS-340/3556 5.0 6.3 6.0 6.3 7.0 7.3 6.3 6.3 NK-1 5.7 6.0 6.0 6.3 6.3 7.0 7.0 6.3 ORION (PST-K13-143) 5.3 6.3 6.0 7.0 6.7 6.7 6.0 6.3 PIVOT 5.3 6.3 6.3 7.0 6.7 6.3 6.3 6.3 SHAMROCK 5.7 6.0 6.3 6.0 6.7 7.0 6.7 6.3 A10-280 5.0 6.0 6.7 6.7 6.3 7.0 6.0 6.2 BAR PP 7K426 6.3 6.0 4.7 6.0 6.7 7.3 6.3 6.2 DLFPS-340/3551 5.3 6.3 5.7 6.3 6.7 7.0 6.0 6.2 AKB3179 6.7 6.3 5.7 6.0 6.7 6.3 5.3 6.1 NAI-14-132 5.7 6.0 5.7 5.7 6.3 7.0 6.3 6.1 A13-1 4.7 5.3 5.3 6.0 7.0 6.7 6.7 6.0 A15-6 5.0 5.3 5.3 6.3 6.3 7.3 6.3 6.0 A16-2 5.7 5.7 5.0 5.7 6.7 7.0 6.3 6.0 DLFPS-340/3549 6.0 6.0 5.0 5.7 6.7 7.0 6.0 6.0 PALOMA (PST-K13-139) 5.3 5.7 5.3 5.7 6.7 7.0 6.7 6.0 PST-11-7 5.3 6.0 6.0 6.3 6.0 6.7 5.7 6.0 PST-K15-167 5.7 6.0 5.3 6.0 6.3 6.3 6.3 6.0 RAD 553 4.7 6.0 6.0 6.7 6.3 6.3 5.7 6.0 AMAZE (NAI-14-133) 6.3 6.0 4.7 5.3 6.7 6.3 6.0 5.9 J-1319 5.7 6.0 6.3 5.3 6.3 5.7 5.7 5.9 PST-T14-39 5.0 5.7 6.0 5.7 6.0 6.7 6.0 5.9 AKB3128 5.3 5.7 5.3 6.0 6.3 6.3 5.7 5.8 BLUE KNIGHT 5.3 5.7 5.0 6.0 6.7 6.3 5.7 5.8 DLFPS-340/3446 4.7 5.7 5.7 5.7 6.3 6.7 6.0 5.8 SELWAY 5.0 5.3 6.0 6.7 6.0 6.0 5.7 5.8 KENBLUE 4.0 5.0 5.7 7.0 6.7 5.7 5.3 5.6 BAR PP 71213 5.0 5.0 4.3 6.0 6.3 6.0 6.0 5.5 DLFPS-340/3455 4.0 5.0 5.3 6.3 6.3 6.0 5.7 5.5 LSD VALUE 1.2 1.4 1.3 2.3 1.8 2.0 1.7 1.2 C.V. (%) 12.1 11.9 12.1 13.5 10.2 11.8 11.5 9.3 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. 2021 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 MD1 SILT LOAM AND SILT 6.1-6.5 61-150 151-240 2.1-3.0 FULL SUN 2.6-3.0 ONLY DURING SEVERE STRESS