TABLE 18. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST GROWN UNDER TRAFFIC STRESS AT BLACKSBURG, VA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PRE POST 2WKS POST PRE POST POST 2WKS POST 2WKS POST TRAFFIC TRAFFIC TRAFFIC TRAFFIC TRAFFIC TRAFFIC TRAFFIC TRAFFIC QUALITY QUALITY QUALITY PERCENT PERCENT PERCENT PERCENT PERCENT QUALITY RATINGS NAME OCTOBER NOVEMBER DECEMBER COVER COVER BARE COVER BARE MAY JUN JUL AUG MEAN LTP-11-41 9.0 9.0 9.0 99 97.7 1.7 99.0 0.0 8.3 8.7 8.7 9.0 8.7 DLFPS-340/3455 9.0 8.7 8.7 99 97.7 1.7 99.0 0.0 8.3 8.7 8.7 9.0 8.7 GO-22B23 9.0 9.0 9.0 99 95.0 5.0 97.7 1.7 8.3 8.7 8.7 9.0 8.7 PIVOT 9.0 9.0 9.0 99 97.7 1.7 97.7 1.7 8.3 8.7 8.7 9.0 8.7 RAD-1776 9.0 8.3 8.7 99 95.0 5.0 95.0 5.0 7.3 8.7 8.7 9.0 8.4 BAR PP 7236V 9.0 8.7 8.7 99 93.3 6.7 97.7 1.7 7.7 8.0 8.3 9.0 8.3 KENBLUE 9.0 8.7 8.7 99 95.0 5.0 97.7 1.7 8.0 8.0 8.3 9.0 8.3 PPG-KB 1304 9.0 8.3 8.7 99 95.0 5.0 97.7 1.7 7.0 8.3 8.3 9.0 8.2 BARVETTE HGT? 8.3 8.3 8.3 99 95.0 5.0 99.0 0.0 8.3 7.7 8.0 8.3 8.1 GO-2628 8.7 8.0 8.3 99 93.3 6.7 97.7 1.7 7.0 8.3 8.3 8.7 8.1 J-1138 9.0 8.0 8.7 99 91.7 8.3 95.0 5.0 6.0 8.7 8.7 9.0 8.1 ORION (PST-K13-143) 8.7 8.3 8.3 99 93.3 6.7 96.0 3.3 7.3 8.0 8.3 8.7 8.1 A11-40 8.7 8.0 8.3 99 95.0 5.0 95.0 5.0 6.7 8.3 8.3 8.7 8.0 DLFPS-340/3438 8.7 8.0 8.3 99 94.7 5.0 97.7 1.7 6.7 8.3 8.3 8.7 8.0 BAR PP 7K426 9.0 8.0 8.3 99 91.7 8.3 96.3 3.3 6.0 8.3 8.3 9.0 7.9 SKYE 8.3 8.0 8.0 99 95.0 5.0 97.7 1.7 7.3 8.0 8.0 8.3 7.9 SELWAY 8.7 8.0 8.0 99 95.0 5.0 96.3 3.3 6.7 7.7 8.0 8.7 7.8 BAR PP 71213 8.7 7.7 8.3 99 93.3 6.7 93.3 6.7 6.0 8.3 8.3 8.7 7.8 BARSERATI (BAR PP 110358) 8.7 8.0 8.0 99 91.7 8.3 94.7 5.0 6.7 8.0 8.0 8.7 7.8 RAD 553 8.0 7.7 7.7 99 94.7 5.0 96.3 3.3 7.7 7.3 7.7 8.0 7.7 DLFPS-340/3444 8.3 8.0 8.0 99 96.3 3.3 97.7 1.7 7.3 7.3 7.7 8.3 7.7 PST-11-7 8.3 7.7 8.0 99 93.3 6.7 96.3 3.3 6.3 8.0 8.0 8.3 7.7 YELLOWSTONE (A12-7) 8.7 8.0 8.0 99 93.3 6.7 95.0 5.0 6.3 7.7 7.7 8.7 7.6 A13-1 8.7 7.7 8.0 99 91.7 8.3 95.0 5.0 5.7 8.0 7.7 8.7 7.5 BAR PP 7309V 8.3 7.7 8.0 99 93.3 6.7 97.7 1.7 6.3 7.7 7.7 8.3 7.5 GO-2425 8.0 7.3 7.7 99 91.7 8.3 93.3 6.7 6.7 7.7 7.7 8.0 7.5 PPG-KB 1131 8.7 7.7 8.0 99 91.7 8.3 95.0 5.0 5.3 8.0 8.0 8.7 7.5 DLFPS-340/3549 8.3 7.3 7.7 99 91.7 8.3 93.3 6.7 6.0 7.7 7.7 8.3 7.4 NAI-A16-3 8.3 7.7 7.7 99 93.3 6.7 95.0 5.0 6.7 7.3 7.3 8.3 7.4 PST-K11-118 8.3 7.7 7.7 99 90.0 10.0 91.7 8.3 6.0 7.7 7.7 8.3 7.4 SHAMROCK 8.3 8.0 8.0 99 94.7 5.0 94.7 5.0 6.7 7.3 7.3 8.3 7.4 DLFPS-340/3494 8.3 7.3 7.7 99 91.7 8.3 93.3 6.7 5.3 7.7 7.7 8.3 7.3 DLFPS-340/3548 8.3 7.3 7.7 99 91.7 8.3 93.3 6.7 5.3 7.7 7.7 8.3 7.3 KH3492 8.0 7.3 7.3 99 93.3 6.7 95.0 5.0 6.7 7.0 7.3 8.0 7.3 PST-K13-139 8.3 7.3 7.7 99 93.3 6.7 95.0 5.0 5.7 7.7 7.3 8.3 7.3 PST-K15-157 8.3 7.3 7.3 99 90.0 10.0 95.0 5.0 6.0 7.3 7.3 8.3 7.3 A99-2897 8.3 7.3 7.3 99 91.7 8.3 95.0 5.0 5.7 7.3 7.3 8.3 7.2 AKB3128 8.3 7.3 7.3 99 91.7 8.3 94.7 5.0 5.7 7.3 7.3 8.3 7.2 A11-26 8.0 7.3 7.7 99 93.3 6.7 96.3 3.3 6.0 7.3 7.3 8.0 7.2 A11-38 8.0 7.7 7.7 99 93.3 6.7 96.3 3.3 6.7 7.0 7.0 8.0 7.2 A16-17 8.0 7.3 7.3 99 93.3 6.7 95.0 5.0 6.0 7.3 7.3 8.0 7.2 AFTER MIDNIGHT 8.3 7.3 7.3 99 91.7 8.3 95.0 5.0 5.7 7.3 7.3 8.3 7.2 DLFPS-340/3553 8.0 7.3 7.3 99 95.0 5.0 95.0 5.0 6.0 7.3 7.3 8.0 7.2 PST-K15-172 8.3 7.3 7.3 99 93.3 6.7 93.3 6.7 5.7 7.3 7.3 8.3 7.2 A10-280 8.3 7.3 7.3 99 91.7 8.3 95.0 5.0 5.3 7.3 7.3 8.3 7.1 BLUE DEVIL 8.3 7.3 7.3 99 93.3 6.7 93.3 6.7 5.3 7.3 7.3 8.3 7.1 PPG-KB 1320 8.3 7.3 7.7 99 91.7 8.3 91.7 8.3 4.7 7.7 7.7 8.3 7.1 A16-2 8.0 7.3 7.3 99 90.0 10.0 93.3 6.7 6.0 7.0 7.0 8.0 7.0 NAI-13-9 8.0 7.0 7.3 99 91.7 8.3 93.3 6.7 5.3 7.3 7.3 8.0 7.0 PST-T14-39 8.3 7.3 7.3 99 95.0 5.0 95.0 5.0 5.0 7.3 7.3 8.3 7.0 TABLE 18. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST GROWN UNDER TRAFFIC STRESS AT BLACKSBURG, VA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PRE POST 2WKS POST PRE POST POST 2WKS POST 2WKS POST TRAFFIC TRAFFIC TRAFFIC TRAFFIC TRAFFIC TRAFFIC TRAFFIC TRAFFIC QUALITY QUALITY QUALITY PERCENT PERCENT PERCENT PERCENT PERCENT QUALITY RATINGS NAME OCTOBER NOVEMBER DECEMBER COVER COVER BARE COVER BARE MAY JUN JUL AUG MEAN A16-1 7.7 7.3 7.3 99.0 91.7 8.3 93.3 6.7 6.3 6.7 7.0 7.7 6.9 NAI-13-132 8.3 7.3 7.3 99.0 90.0 10.0 93.3 6.7 4.7 7.3 7.3 8.3 6.9 PST-K15-177 8.0 7.0 7.3 99.0 91.7 8.3 93.3 6.7 5.0 7.3 7.3 8.0 6.9 BABE 8.0 7.0 7.0 99.0 91.7 8.3 94.7 5.0 5.3 7.0 7.0 8.0 6.8 DLFPS-340/3500 8.0 7.0 7.3 99.0 93.3 6.7 93.3 6.7 4.7 7.3 7.0 8.0 6.8 MIDNIGHT 8.0 7.0 7.0 99.0 91.7 8.3 95.0 5.0 5.0 7.0 7.0 8.0 6.8 NAI-15-84 8.0 7.0 7.0 99.0 90.0 10.0 93.3 6.7 5.3 7.0 7.0 8.0 6.8 AKB3179 8.0 7.0 7.0 99.0 91.7 8.3 93.3 6.7 4.7 7.0 7.0 8.0 6.7 BAR PP 79366 8.0 7.0 7.0 99.0 91.7 8.3 93.3 6.7 4.7 7.0 7.0 8.0 6.7 DLFPS-340/3552 8.0 7.0 7.0 99.0 91.7 8.3 93.3 6.7 4.7 7.0 7.0 8.0 6.7 J-1319 7.7 7.0 7.0 99.0 91.7 8.3 95.0 5.0 5.7 6.7 6.7 7.7 6.7 NAI-14-132 8.0 7.0 7.0 99.0 90.0 10.0 91.7 8.3 4.7 7.0 7.0 8.0 6.7 DLFPS-340/3446 7.7 7.0 7.0 99.0 91.7 8.3 93.3 6.7 5.3 6.7 6.7 7.7 6.6 J-2726 8.0 7.0 7.3 99.0 88.3 11.7 91.7 8.3 4.0 7.3 7.0 8.0 6.6 NAI-14-122 8.0 7.0 7.0 99.0 88.3 11.7 93.3 6.7 4.3 7.0 7.0 8.0 6.6 NAI-14-178 8.0 7.0 7.0 99.0 88.3 11.7 90.0 10.0 4.3 7.0 7.0 8.0 6.6 NAI-15-80 8.0 7.0 7.0 99.0 90.0 10.0 95.0 5.0 4.3 7.0 7.0 8.0 6.6 PST-K15-167 8.0 7.0 7.0 99.0 90.0 10.0 95.0 5.0 4.3 7.0 7.0 8.0 6.6 A15-6 7.7 6.7 7.0 99.0 90.0 10.0 93.3 6.7 4.7 7.0 6.7 7.7 6.5 A16-7 7.7 7.0 7.0 94.3 81.7 18.3 87.3 12.7 4.3 6.7 7.0 7.7 6.4 J-3510 7.7 6.7 7.0 99.0 91.7 8.3 91.7 8.3 4.3 7.0 6.7 7.7 6.4 PROSPERITY 7.7 6.7 6.7 99.0 90.0 10.0 91.7 8.3 4.7 6.7 6.7 7.7 6.4 AKB3241 7.7 6.7 6.7 99.0 90.0 10.0 91.7 8.3 4.3 6.7 6.7 7.7 6.3 DLFPS-340/3364 7.7 6.7 6.7 99.0 90.0 10.0 93.3 6.7 4.3 6.3 6.7 7.7 6.3 MVS-130 7.7 6.3 6.7 99.0 88.3 11.7 91.7 8.3 4.0 7.0 6.7 7.7 6.3 NAI-13-14 7.7 6.7 6.7 99.0 88.3 11.7 91.7 8.3 4.3 6.7 6.7 7.7 6.3 NAI-14-128 7.7 6.7 6.7 96.0 83.3 16.7 88.3 11.7 4.0 6.7 6.7 7.7 6.3 NAI-14-133 7.7 6.7 6.7 99.0 90.0 10.0 93.3 6.7 4.3 6.7 6.7 7.7 6.3 A12-34 7.3 6.3 6.3 99.0 90.0 10.0 93.3 6.7 5.0 6.0 6.3 7.3 6.2 NAI-14-176 7.7 6.7 6.7 99.0 86.7 13.3 90.0 10.0 3.7 6.7 6.7 7.7 6.2 NK-1 7.3 6.7 6.7 99.0 90.0 10.0 95.0 5.0 4.7 6.3 6.3 7.3 6.2 DLFPS-340/3550 7.3 6.3 6.3 99.0 88.3 11.7 93.3 6.7 4.7 6.0 6.3 7.3 6.1 NAI-14-187 7.3 6.3 6.3 99.0 90.0 10.0 93.3 6.7 4.3 6.3 6.3 7.3 6.1 PST-K13-141 7.3 6.3 6.3 96.0 85.0 15.0 88.3 11.7 4.7 6.0 6.3 7.3 6.1 BLUE KNIGHT 7.3 6.3 6.7 99.0 88.3 11.7 91.7 8.3 3.7 6.7 6.3 7.3 6.0 BAR PP 79494 7.3 6.3 6.3 99.0 86.7 13.3 91.7 8.3 4.3 6.0 6.3 7.3 6.0 DLFPS-340/3551 7.3 6.3 6.3 97.7 88.3 11.7 90.0 10.0 4.3 6.0 6.3 7.3 6.0 DLFPS-340/3556 7.0 6.3 6.3 97.7 85.0 15.0 90.7 9.3 4.7 6.0 6.3 7.0 6.0 A06-8 7.0 6.3 6.3 92.7 81.7 18.3 86.7 13.3 3.7 6.0 6.3 7.0 5.8 LSD VALUE 2.4 1.7 2.0 6.9 6.9 7.0 6.9 6.8 2.0 2.5 2.1 2.4 1.7 C.V. (%) 9.6 11.4 12.3 1.7 3.9 43.0 3.4 57.8 20.7 13.5 12.3 9.6 12.2 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 VA1 SILT LOAM AND SILT 4.6-5.5 0-60 0-150 3.1-4.0 LIGHT SHADE 1.6-2.0 ONLY DURING SEVERE STRESS