TABLE 8. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT COLLEGE PARK, MD 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT QUALITY RATINGS NAME ESTABLISHMENT JUN JUL AUG SEP OCT MEAN J-1138 93.3 7.0 7.3 6.3 6.7 6.7 6.8 NAI-14-132 73.3 6.3 7.0 7.3 6.0 7.3 6.8 AFTER MIDNIGHT 90.0 6.3 7.0 6.0 6.7 7.3 6.7 BAR PP 79494 86.7 6.3 6.7 6.0 7.0 7.3 6.7 J-2726 91.7 6.7 7.7 6.3 5.7 7.3 6.7 NAI-13-132 90.0 6.0 7.3 6.3 6.7 7.3 6.7 NAI-14-133 86.7 6.3 7.3 6.7 6.0 7.0 6.7 NAI-13-14 91.7 6.7 6.7 5.7 6.7 7.3 6.6 NAI-14-128 85.0 6.0 7.3 6.7 6.0 7.0 6.6 MIDNIGHT 90.0 6.3 7.0 5.7 6.7 7.0 6.5 PPG-KB 1131 83.3 6.3 7.0 6.0 6.3 7.0 6.5 SKYE 93.3 6.7 6.7 6.0 6.3 7.0 6.5 J-3510 93.0 6.0 7.0 5.7 6.7 6.7 6.4 NAI-13-9 90.0 6.0 6.3 6.0 6.7 7.0 6.4 NAI-14-176 63.3 5.7 7.0 6.7 6.0 6.7 6.4 GO-2425 91.7 6.3 6.3 6.3 6.3 6.3 6.3 GO-2628 91.7 6.3 6.3 5.3 6.3 7.0 6.3 MVS-130 80.0 6.0 7.0 6.3 6.0 6.3 6.3 GO-22B23 93.3 6.3 6.0 5.7 6.0 7.0 6.2 NAI-14-122 78.3 5.7 7.0 6.0 5.3 7.0 6.2 PPG-KB 1304 88.3 6.0 6.0 5.3 6.3 7.3 6.2 A11-40 88.3 6.0 6.0 5.3 6.3 7.0 6.1 BAR PP 79366 78.3 5.7 6.7 5.7 6.0 6.3 6.1 BARSERATI (BAR PP 110358) 99.0 6.7 6.0 5.0 6.3 6.7 6.1 PST-K11-118 93.3 6.0 6.3 5.3 6.0 6.7 6.1 PST-K15-177 75.0 5.7 7.0 6.3 6.0 5.7 6.1 A16-7 85.0 5.7 6.3 6.0 6.0 6.0 6.0 PROSPERITY 85.0 6.0 6.7 5.7 5.7 6.0 6.0 NAI-14-178 56.7 5.0 6.7 6.0 6.0 6.0 5.9 NAI-14-187 61.7 5.3 6.3 5.7 5.7 6.3 5.9 PST-K15-172 90.0 6.0 6.3 5.3 5.7 6.3 5.9 A16-17 96.3 6.0 6.3 5.0 6.0 5.7 5.8 A06-8 86.7 5.7 6.0 5.0 5.7 6.0 5.7 A16-1 83.3 5.7 6.0 5.0 5.7 6.3 5.7 BARVETTE HGT? 86.7 5.3 6.3 4.7 6.0 6.3 5.7 BLUE DEVIL 93.0 5.7 6.0 4.7 5.7 6.7 5.7 DLFPS-340/3553 85.0 5.7 6.0 5.3 6.0 5.7 5.7 NAI-A16-3 88.3 5.7 6.7 4.3 5.7 6.3 5.7 PPG-KB 1320 81.7 5.3 6.3 5.0 6.0 5.7 5.7 PST-11-7 88.3 5.3 5.7 5.0 5.3 7.0 5.7 PST-K15-167 88.3 5.7 6.7 5.7 5.3 5.3 5.7 DLFPS-340/3500 81.7 5.3 6.7 5.0 5.0 6.0 5.6 KH3492 86.7 5.3 6.0 4.3 5.7 6.0 5.5 PIVOT 93.0 5.7 5.0 5.3 5.7 6.0 5.5 A16-2 90.0 5.3 6.0 4.7 5.3 5.7 5.4 J-1319 93.3 5.7 5.3 5.3 5.0 5.7 5.4 NAI-15-84 76.7 5.0 5.7 4.7 6.0 5.7 5.4 BABE 96.3 5.7 6.0 4.3 5.0 5.7 5.3 A11-26 88.3 5.3 6.0 5.0 4.7 5.7 5.3 AKB3241 80.0 5.0 5.7 4.3 5.7 5.7 5.3 TABLE 8. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT COLLEGE PARK, MD 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT QUALITY RATINGS NAME ESTABLISHMENT JUN JUL AUG SEP OCT MEAN BAR PP 7236V 96.0 5.7 6.0 3.3 5.3 6.0 5.3 BAR PP 7K426 96.3 6.0 5.7 4.7 4.3 5.7 5.3 PST-T14-39 91.7 5.7 6.3 5.0 4.7 5.0 5.3 AKB3128 96.3 5.3 5.7 3.7 5.0 6.3 5.2 DLFPS-340/3549 93.3 5.7 5.7 4.0 5.3 5.3 5.2 A13-1 85.0 5.3 4.7 4.7 5.3 5.7 5.1 YELLOWSTONE (A12-7) 88.3 5.0 5.3 4.3 5.0 6.0 5.1 BAR PP 71213 91.7 5.7 6.3 3.3 4.7 5.7 5.1 DLFPS-340/3438 88.3 5.0 5.7 4.0 5.0 5.7 5.1 SELWAY 91.7 5.3 5.3 4.0 4.7 5.7 5.0 BAR PP 7309V 93.3 6.0 6.0 3.7 3.3 6.0 5.0 DLFPS-340/3494 91.7 5.0 5.7 4.7 4.3 5.3 5.0 DLFPS-340/3550 88.3 5.0 5.0 4.0 5.0 6.0 5.0 DLFPS-340/3556 93.3 5.0 5.0 5.3 4.7 5.0 5.0 NAI-15-80 50.0 4.0 5.0 5.3 5.3 5.3 5.0 LTP-11-41 91.7 5.3 5.3 3.7 4.7 5.7 4.9 DLFPS-340/3444 86.7 4.7 4.3 5.0 5.0 5.7 4.9 DLFPS-340/3552 88.3 5.3 5.7 3.3 4.3 5.7 4.9 RAD-1776 91.7 4.7 4.0 4.7 5.7 5.3 4.9 DLFPS-340/3548 63.3 4.3 5.3 4.3 5.0 5.0 4.8 PST-K15-157 83.3 4.7 5.0 4.7 5.0 4.7 4.8 BLUE KNIGHT 93.3 5.0 5.7 4.7 4.3 3.7 4.7 DLFPS-340/3551 86.7 5.0 5.3 4.0 4.3 4.7 4.7 PST-K13-139 83.3 5.3 5.3 3.7 4.3 4.7 4.7 RAD 553 93.0 5.3 5.3 3.7 4.0 4.7 4.6 A15-6 90.0 5.0 5.0 3.7 4.3 5.0 4.6 SHAMROCK 90.0 4.7 4.7 4.0 4.0 5.7 4.6 A99-2897 86.7 4.7 4.3 4.0 4.3 5.3 4.5 DLFPS-340/3364 46.7 4.0 4.3 4.0 4.7 5.7 4.5 DLFPS-340/3446 90.0 4.7 4.3 4.0 4.3 5.0 4.5 ORION (PST-K13-143) 94.7 4.3 4.3 3.7 4.7 5.0 4.4 PST-K13-141 88.3 4.7 4.7 3.7 3.7 5.3 4.4 A11-38 66.7 4.0 5.0 3.3 4.3 4.7 4.3 A12-34 68.3 4.0 5.0 4.0 4.0 4.3 4.3 AKB3179 91.7 5.0 5.0 4.3 4.0 3.3 4.3 DLFPS-340/3455 90.0 4.3 4.0 3.3 4.7 5.0 4.3 NK-1 85.0 4.3 4.3 4.0 4.7 4.3 4.3 A10-280 81.7 3.7 3.7 4.0 4.3 5.0 4.1 KENBLUE 99.0 4.0 3.0 3.3 4.7 4.0 3.8 LSD VALUE 6.9 1.1 1.3 1.1 1.3 1.1 0.8 C.V. (%) 5.5 11.9 13.4 14.8 14.2 11.5 9.5 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. 2018 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