TABLE 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT COLLEGE PARK, MD 1/ 2019 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME APR JUL AUG SEP OCT MEAN A11-40 5.7 5.7 6.0 6.0 7.7 6.2 BARSERATI (BAR PP 110358) 6.0 6.7 6.0 6.0 6.3 6.2 J-1138 6.3 6.7 5.7 5.0 6.3 6.0 PPG-KB 1131 6.3 5.7 5.7 5.3 7.0 6.0 A13-1 6.0 4.7 5.7 6.0 7.0 5.9 AFTER MIDNIGHT 6.3 5.3 5.3 5.7 7.0 5.9 BAR PP 79366 6.0 4.7 5.3 6.0 7.3 5.9 BAR PP 79494 6.3 6.3 5.7 5.0 6.0 5.9 CLOUD (GO-2425) 6.0 5.7 5.7 5.3 6.7 5.9 COMANCHE (NAI-14-176) 7.0 6.0 6.0 4.7 6.0 5.9 J-2726 6.3 6.0 5.7 5.0 6.7 5.9 NAI-14-128 7.0 5.7 5.7 5.0 6.0 5.9 PST-K11-118 6.0 5.3 5.7 5.3 7.3 5.9 A11-38 6.0 4.3 5.3 6.0 7.3 5.8 UNITED (NAI-13-14) 6.0 5.7 5.7 5.3 6.3 5.8 BLUE GEM (NAI-13-9) 5.7 6.7 5.7 4.7 5.7 5.7 NURUSH (J-3510) 6.0 5.3 5.3 5.3 6.7 5.7 NEW MOON (PST-K15-177) 6.0 5.0 5.7 5.7 6.0 5.7 STARR (GO-2628) 6.0 5.0 5.7 5.7 6.3 5.7 A16-7 6.3 5.0 5.3 5.3 6.0 5.6 A16-17 5.0 5.0 5.7 5.0 6.7 5.5 A99-2897 6.0 4.0 5.0 5.3 7.0 5.5 BABE 5.3 5.0 5.3 5.3 6.7 5.5 BOMBAY (GO-22B23) 5.7 5.0 5.3 5.0 6.7 5.5 TWILIGHT (NAI-13-132) 6.0 5.3 5.0 5.0 6.3 5.5 ORION (PST-K13-143) 6.0 5.0 5.3 5.7 5.7 5.5 PPG-KB 1304 5.0 6.0 5.7 5.7 5.0 5.5 SKYE 6.0 5.3 4.7 5.3 6.0 5.5 NAI-14-132 7.0 5.7 5.0 4.3 5.3 5.5 AKB3128 6.3 4.7 5.0 5.0 6.0 5.4 DLFPS-340/3553 6.0 4.0 5.0 6.3 5.7 5.4 FINISH LINE (NAI-14-178) 5.7 4.3 5.0 5.7 6.3 5.4 KH3492 6.0 4.7 4.7 5.0 6.7 5.4 SYRAH (LTP-11-41) 5.3 4.7 5.3 5.3 6.3 5.4 PPG-KB 1320 6.3 3.7 5.0 6.0 6.0 5.4 AKB3241 5.3 5.0 5.0 5.0 6.3 5.3 BARVETTE HGT? 3.0 5.7 5.7 5.7 6.7 5.3 DLFPS-340/3552 4.7 4.3 5.0 5.3 7.0 5.3 MIDNIGHT 5.3 5.0 5.0 4.3 7.0 5.3 NAI-14-122 7.0 6.0 5.0 4.3 4.3 5.3 NK-1 6.0 4.0 5.0 5.0 6.3 5.3 PIVOT 5.0 5.3 5.3 5.3 5.3 5.3 RAD-1776 5.0 5.0 5.0 5.0 6.3 5.3 YELLOWSTONE (A12-7) 6.0 4.7 4.7 5.0 6.3 5.3 A06-8 5.7 4.3 4.7 5.3 6.0 5.2 AMAZE (NAI-14-133) 7.0 6.0 5.0 3.7 4.3 5.2 DLFPS-340/3550 5.7 3.3 4.3 6.0 6.7 5.2 MVS-130 6.7 5.3 5.0 4.0 5.0 5.2 A12-34 6.0 4.0 4.7 5.0 5.7 5.1 AKB3179 5.7 4.7 4.7 4.3 6.3 5.1 TABLE 7. MEAN TURFGRASS QUALITY RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT COLLEGE PARK, MD 1/ 2019 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME APR JUL AUG SEP OCT MEAN BAR PP 7309V 5.7 4.3 4.7 4.7 6.3 5.1 BAR PP 7K426 6.3 3.3 4.3 5.0 6.7 5.1 BLUE DEVIL 5.0 5.0 4.7 5.0 5.7 5.1 DLFPS-340/3494 5.3 5.0 4.7 4.7 5.7 5.1 JERSEY (NAI-A16-3) 5.7 4.3 4.7 4.3 6.3 5.1 A11-26 6.3 3.7 4.3 4.7 5.7 4.9 A16-2 6.0 4.0 4.3 5.0 5.3 4.9 BAR PP 71213 6.3 4.0 4.3 4.3 5.3 4.9 DLFPS-340/3551 5.3 4.0 4.7 5.0 5.7 4.9 PST-11-7 6.0 4.0 4.3 4.7 5.3 4.9 BAR PP 7236V 5.3 4.7 4.3 4.7 5.0 4.8 HEARTLAND (NAI-14-187) 6.0 4.7 4.3 4.3 4.7 4.8 J-1319 6.0 5.0 4.3 4.0 4.7 4.8 DLFPS-340/3438 5.3 3.3 4.3 4.7 5.7 4.7 DLFPS-340/3500 5.7 3.0 4.0 5.3 5.7 4.7 DLFPS-340/3556 5.7 3.7 4.0 4.7 5.3 4.7 NAI-15-80 5.3 4.3 4.3 4.7 5.0 4.7 PST-K15-172 6.0 3.7 4.3 4.3 5.3 4.7 A10-280 5.3 3.3 4.0 5.0 5.3 4.6 DLFPS-340/3549 5.0 4.3 4.0 4.0 5.3 4.5 PST-K15-157 6.0 4.3 4.3 3.7 4.3 4.5 SELWAY 4.0 4.0 4.3 5.3 5.0 4.5 A16-1 6.0 3.7 4.0 3.7 4.7 4.4 AVIATOR II (NAI-15-84) 5.3 3.7 4.3 4.7 4.0 4.4 DLFPS-340/3446 4.7 3.3 4.3 4.7 5.0 4.4 DLFPS-340/3548 4.7 4.0 4.3 4.3 4.7 4.4 PALOMA (PST-K13-139) 5.0 4.0 4.0 4.0 5.0 4.4 PST-K15-167 6.0 4.0 4.0 4.0 4.0 4.4 BLUE KNIGHT 6.0 4.0 4.0 3.3 4.3 4.3 DLFPS-340/3364 5.3 3.3 3.7 4.0 5.0 4.3 PROSPERITY 5.7 3.0 3.7 4.3 5.0 4.3 A15-6 4.7 3.0 3.7 4.3 5.3 4.2 DLFPS-340/3455 4.3 3.3 3.7 4.3 5.3 4.2 PST-K13-141 4.7 3.0 3.7 4.0 5.0 4.1 DLFPS-340/3444 5.7 3.7 3.7 3.3 3.7 4.0 PST-T14-39 5.0 4.0 3.7 3.3 4.0 4.0 RAD 553 5.0 3.7 3.3 3.3 4.7 4.0 SHAMROCK 5.7 3.0 3.0 3.0 3.3 3.6 KENBLUE 3.0 3.0 3.0 3.7 3.0 3.1 LSD VALUE 0.9 1.4 1.4 1.5 1.3 1.0 C.V. (%) 10.2 18.8 16.4 16.6 14.1 11.6 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. 2019 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 1.1-2.0 FULL SUN 2.6-3.0 ONLY DURING SEVERE STRESS