TABLE 6. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT LEXINGTON, KY 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SEEDLING QUALITY RATINGS NAME VIGOR APR MAY JUN JUL AUG SEP OCT NOV MEAN J-1138 5.0 6.0 6.7 7.0 7.7 7.0 8.0 7.3 7.0 7.1 NAI-A16-3 5.3 6.3 7.0 7.0 7.0 7.0 7.7 7.7 7.0 7.1 A10-280 4.7 6.3 6.7 6.7 7.3 7.0 7.7 7.7 6.7 7.0 BARSERATI (BAR PP 110358) 5.7 6.7 7.0 7.0 7.0 7.0 7.0 7.0 7.0 7.0 J-1319 4.3 6.3 6.7 7.0 7.0 7.0 7.0 7.0 7.7 7.0 J-3510 5.0 6.0 6.7 7.0 7.3 7.0 7.0 7.3 7.3 7.0 MIDNIGHT 4.7 6.0 6.3 6.7 7.3 7.0 8.0 7.3 7.0 7.0 NAI-13-9 4.7 6.0 6.3 7.0 7.0 7.3 7.7 7.3 7.0 7.0 PST-K11-118 4.7 6.3 6.7 7.0 7.0 7.0 7.7 7.7 7.0 7.0 DLFPS-340/3494 4.3 6.3 6.7 6.7 7.0 6.3 8.0 7.3 6.7 6.9 DLFPS-340/3500 3.7 6.0 6.7 6.7 6.7 6.7 7.7 7.7 7.3 6.9 GO-2628 5.7 6.3 6.7 7.0 7.0 7.0 7.3 7.0 7.0 6.9 NAI-13-14 4.7 5.7 6.7 7.3 7.0 7.0 7.7 7.3 6.7 6.9 PST-11-7 4.7 5.7 6.3 6.7 7.3 7.0 7.7 7.3 7.0 6.9 A99-2897 5.0 6.3 6.0 6.3 6.3 6.7 8.0 7.3 7.0 6.8 LTP-11-41 5.7 6.7 6.7 7.0 7.0 7.0 6.3 6.7 7.0 6.8 AFTER MIDNIGHT 5.0 5.7 6.3 7.0 7.0 7.0 7.3 7.0 7.0 6.8 BAR PP 7236V 5.3 6.7 6.3 7.0 6.7 6.3 7.0 7.0 7.0 6.8 BAR PP 79366 5.0 6.0 6.7 6.7 6.7 6.7 7.3 7.0 7.0 6.8 BARVETTE HGT? 4.0 5.7 6.0 6.3 7.0 7.0 7.0 8.0 7.0 6.8 BLUE DEVIL 4.7 5.7 6.3 7.0 7.0 6.3 7.3 7.0 7.3 6.8 GO-22B23 5.7 6.0 7.0 7.0 6.7 7.0 7.0 7.0 7.0 6.8 GO-2425 5.3 6.0 6.3 7.0 6.7 7.0 7.0 7.0 7.0 6.8 J-2726 4.0 6.0 6.3 7.0 7.7 7.0 7.3 6.3 7.0 6.8 NAI-13-132 4.7 5.7 6.0 6.7 7.0 7.0 8.0 7.3 7.0 6.8 PPG-KB 1131 4.3 6.0 6.0 6.7 6.7 7.0 8.0 7.0 7.0 6.8 PPG-KB 1304 5.7 6.7 6.7 6.7 6.0 7.0 7.0 7.0 7.0 6.8 PST-K15-172 4.7 6.0 6.3 7.0 7.0 7.0 8.0 7.0 6.3 6.8 BABE 5.0 6.0 6.7 6.7 6.3 6.7 7.3 6.7 7.0 6.7 BAR PP 79494 6.0 5.3 6.3 6.7 7.0 7.3 7.3 6.7 7.0 6.7 DLFPS-340/3446 6.0 6.0 6.0 6.7 6.7 7.0 7.3 6.7 7.0 6.7 PST-K13-139 5.3 6.7 6.7 7.0 7.0 6.0 7.0 6.3 7.0 6.7 PST-K15-167 5.0 6.0 6.7 7.0 7.3 6.3 7.0 6.7 6.3 6.7 A11-38 5.0 6.3 6.7 6.3 6.0 6.7 7.7 7.0 6.3 6.6 A16-2 5.0 6.0 6.3 6.3 6.3 6.7 7.0 7.0 7.0 6.6 A16-7 4.0 6.3 6.3 6.7 6.3 6.0 7.3 7.0 7.0 6.6 BAR PP 7309V 5.0 6.7 6.7 6.3 6.0 6.3 7.0 7.0 6.7 6.6 DLFPS-340/3444 5.0 7.0 7.0 6.7 6.3 6.0 7.0 6.7 6.3 6.6 ORION (PST-K13-143) 5.0 5.7 6.7 7.0 7.0 6.3 6.7 6.7 6.7 6.6 PROSPERITY 5.0 6.3 6.3 6.7 7.3 6.3 7.0 6.7 6.3 6.6 SKYE 5.7 5.7 6.3 6.7 6.7 6.7 7.0 7.0 7.0 6.6 AKB3128 4.3 6.0 6.7 6.3 6.0 6.7 6.7 6.7 6.7 6.5 RAD 553 4.7 6.7 6.7 6.7 7.0 6.3 6.3 6.3 6.0 6.5 SELWAY 4.7 6.0 6.3 7.0 7.0 6.3 6.7 6.3 6.7 6.5 A06-8 4.7 5.7 6.3 6.3 5.7 7.0 7.0 7.0 7.0 6.5 A16-1 5.3 6.0 6.7 6.3 6.3 6.0 7.0 6.7 7.0 6.5 A16-17 5.0 6.0 6.3 7.0 7.0 6.0 6.3 7.3 6.0 6.5 BAR PP 71213 4.7 6.7 7.0 6.7 6.7 6.7 5.7 6.0 7.0 6.5 BAR PP 7K426 5.3 5.7 7.0 7.0 6.3 6.0 7.0 6.7 6.3 6.5 DLFPS-340/3550 4.3 5.3 6.0 6.0 6.0 7.0 7.7 7.7 6.7 6.5 TABLE 6. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT LEXINGTON, KY 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SEEDLING QUALITY RATINGS NAME VIGOR APR MAY JUN JUL AUG SEP OCT NOV MEAN DLFPS-340/3552 5.7 6.3 6.7 5.7 6.3 6.3 7.0 7.3 6.0 6.5 KH3492 4.0 5.7 6.0 6.0 6.3 6.3 7.0 7.3 7.0 6.5 NAI-14-178 4.7 5.7 6.0 6.3 7.0 7.0 6.7 6.7 6.7 6.5 NK-1 5.0 6.0 6.0 6.7 6.3 6.0 7.0 7.0 6.7 6.5 A11-40 5.0 6.3 6.3 6.0 5.7 6.7 6.7 6.3 7.0 6.4 AKB3179 4.3 6.0 7.0 6.0 6.0 6.3 6.3 6.7 6.7 6.4 DLFPS-340/3556 4.0 5.7 6.3 6.0 6.3 6.3 6.3 7.0 7.0 6.4 PST-K15-157 4.3 6.0 6.3 6.7 6.0 6.3 7.0 6.7 6.3 6.4 PST-T14-39 4.3 6.0 6.0 6.3 6.0 6.3 7.0 7.0 6.3 6.4 A11-26 3.7 6.0 6.0 5.7 5.7 6.0 7.0 7.0 6.7 6.3 A15-6 5.0 6.3 6.3 6.0 5.7 6.0 7.0 6.7 6.3 6.3 AKB3241 3.7 6.0 6.0 5.7 6.3 6.0 7.0 7.3 6.3 6.3 DLFPS-340/3438 4.7 6.0 6.3 6.0 6.0 6.0 6.3 7.0 6.7 6.3 DLFPS-340/3455 5.3 7.0 6.0 5.7 5.0 6.7 6.7 6.7 6.3 6.3 DLFPS-340/3548 4.7 6.0 6.3 6.7 6.0 6.0 6.7 6.0 7.0 6.3 DLFPS-340/3553 4.0 5.7 5.7 5.7 6.0 6.7 7.3 7.0 6.7 6.3 NAI-14-122 5.0 5.7 6.0 6.0 5.7 6.7 6.7 7.0 7.0 6.3 NAI-14-132 4.3 5.3 6.0 6.0 5.7 6.7 7.0 6.7 7.0 6.3 NAI-14-187 4.3 6.0 5.7 6.0 5.3 6.3 7.7 7.0 6.3 6.3 PST-K13-141 4.7 5.3 6.0 6.7 7.0 6.7 6.0 6.0 6.3 6.3 PST-K15-177 3.0 5.0 6.0 6.0 6.3 6.3 7.0 7.0 6.7 6.3 RAD-1776 5.3 6.0 7.0 6.0 5.7 6.0 7.0 7.0 6.0 6.3 A13-1 3.3 5.3 5.7 5.7 5.3 6.0 7.7 7.3 6.7 6.2 YELLOWSTONE (A12-7) 4.0 6.0 6.0 6.0 6.0 6.0 6.7 6.0 6.7 6.2 DLFPS-340/3549 3.3 6.0 6.3 6.3 6.7 5.7 6.3 6.0 6.0 6.2 MVS-130 4.7 5.3 6.0 5.7 5.7 6.7 7.0 6.7 6.7 6.2 NAI-14-133 5.0 5.0 5.7 5.7 5.7 7.3 7.0 6.0 7.0 6.2 NAI-14-176 4.3 6.0 6.0 5.7 5.7 6.3 7.0 6.7 6.0 6.2 PIVOT 4.0 6.0 6.3 6.0 6.3 6.3 6.0 6.0 6.0 6.1 PPG-KB 1320 4.7 5.7 6.0 6.3 5.7 6.0 6.3 6.7 6.3 6.1 SHAMROCK 5.0 5.7 6.3 6.0 6.0 6.0 6.3 6.0 6.3 6.1 KENBLUE 5.0 6.3 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 NAI-14-128 4.3 5.7 5.3 5.7 5.3 6.7 7.0 6.3 6.3 6.0 NAI-15-84 4.0 5.3 6.0 6.0 6.0 6.7 5.3 6.0 6.7 6.0 A12-34 3.0 4.7 5.0 5.7 5.3 6.3 6.7 6.7 6.3 5.8 DLFPS-340/3551 3.0 5.0 5.7 5.3 5.7 6.0 6.0 6.7 6.3 5.8 NAI-15-80 2.7 5.0 5.7 6.0 5.7 6.0 6.0 5.7 6.0 5.8 BLUE KNIGHT 3.3 5.0 6.0 5.3 5.3 6.3 5.3 6.0 6.0 5.7 DLFPS-340/3364 3.0 4.7 4.0 5.0 4.7 6.0 6.0 6.7 6.0 5.4 LSD VALUE 1.8 1.1 0.8 0.8 0.8 0.8 0.7 0.8 0.7 0.4 C.V. (%) 18.8 9.5 7.5 7.6 7.8 6.5 6.2 6.7 6.1 3.7 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 KY1 SILT LOAM AND SILT 4.6-5.5 451+ 376-500 1.1-2.0 FULL SUN 3.1-3.5 TO PREVENT STRESS