TABLE 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST GROWN UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT COVER QUALITY WEAR TOLERANCE QUALITY RATINGS NAME ESTABLISHMENT APRIL NOV 2017 MAY JULY OCTOBER MAY JUN JUL AUG SEP OCT NOV DEC MEAN NAI-14-178 50.0 86.7 4.3 7.0 6.3 6.3 6.0 7.0 7.0 6.7 6.7 6.7 6.0 6.0 6.5 BAR PP 7309V 83.3 91.7 6.7 7.0 6.3 6.3 6.7 6.3 7.0 6.3 6.0 6.0 5.3 5.3 6.1 NAI-13-9 80.0 95.0 5.7 7.0 6.0 6.3 7.0 6.0 5.7 6.0 6.0 6.3 6.0 5.7 6.1 PST-11-7 71.7 86.7 5.7 7.0 6.3 6.3 5.7 6.0 6.7 6.3 6.3 6.7 5.7 5.3 6.1 AFTER MIDNIGHT 83.3 90.0 5.7 7.0 6.3 6.7 6.3 6.0 6.7 6.0 5.3 6.3 5.7 5.3 6.0 BAR PP 71213 81.7 95.0 6.0 4.3 4.7 5.0 6.7 6.7 6.7 6.3 5.3 5.7 5.3 5.7 6.0 BAR PP 79494 75.0 91.7 5.3 6.0 5.3 5.3 6.3 6.7 5.3 6.0 6.0 6.0 6.0 5.7 6.0 GO-2628 80.0 91.7 5.7 8.0 6.3 6.7 6.7 5.7 5.7 6.7 6.0 6.0 6.0 5.3 6.0 J-1138 81.7 91.7 5.7 6.3 5.7 6.0 7.0 6.3 5.7 6.3 5.3 6.0 6.0 5.3 6.0 KH3492 81.7 90.0 5.3 6.7 6.0 6.3 6.7 6.7 5.7 6.0 5.7 6.3 6.0 5.0 6.0 NAI-13-14 71.7 91.7 5.3 7.0 5.7 6.0 6.7 6.3 5.7 6.0 5.7 6.0 6.0 5.7 6.0 LTP-11-41 76.7 93.3 6.3 7.0 6.7 6.7 7.0 5.3 4.7 6.3 6.0 6.3 6.0 5.7 5.9 A11-38 56.7 88.3 5.0 5.3 5.7 5.3 7.0 6.7 6.3 6.3 5.0 5.7 5.0 5.0 5.9 BAR PP 7236V 76.7 90.0 5.7 4.7 4.3 4.3 6.0 6.7 6.7 6.0 5.3 5.3 5.7 5.7 5.9 BLUE DEVIL 71.7 88.3 5.7 5.0 5.0 5.7 6.0 6.3 6.0 6.0 5.7 5.7 5.7 5.7 5.9 DLFPS-340/3494 70.0 86.7 5.0 6.7 6.7 6.3 6.3 5.7 6.0 6.3 5.7 5.7 5.7 5.7 5.9 J-1319 80.0 90.0 5.0 5.0 5.7 5.0 6.0 6.7 6.7 5.3 5.3 6.0 6.0 5.3 5.9 J-2726 71.7 91.7 6.0 6.7 6.3 6.0 6.7 5.7 5.7 6.3 5.7 5.7 6.0 5.7 5.9 NAI-13-132 73.3 93.3 6.0 6.3 5.7 5.7 6.7 6.0 5.3 6.3 5.3 6.0 5.7 5.7 5.9 PST-K11-118 66.7 90.0 6.0 4.7 4.3 4.3 6.3 6.3 5.7 6.0 5.3 6.3 6.0 5.3 5.9 BAR PP 7K426 81.7 93.3 6.0 6.0 5.7 5.7 6.3 5.3 6.3 6.0 5.7 6.0 5.3 5.7 5.8 DLFPS-340/3549 75.0 91.7 5.3 6.0 5.7 5.0 6.7 6.7 6.7 5.7 5.3 5.3 5.0 4.7 5.8 DLFPS-340/3551 70.0 85.0 5.0 5.3 5.3 5.3 5.3 6.7 7.0 6.0 5.7 5.3 5.0 5.3 5.8 GO-22B23 71.7 95.0 6.0 7.0 5.7 6.3 6.7 5.7 5.0 6.0 5.7 6.0 5.7 5.7 5.8 PPG-KB 1131 70.0 85.0 5.0 6.3 5.3 5.7 6.3 5.7 5.7 6.0 5.3 6.3 6.0 5.3 5.8 PROSPERITY 71.7 85.0 4.3 5.7 6.0 6.0 5.3 6.3 6.0 6.3 5.3 5.7 5.7 5.3 5.8 A11-40 73.3 93.3 6.0 5.0 5.3 5.0 6.0 5.7 5.7 6.0 5.3 6.0 5.7 5.0 5.7 BAR PP 79366 66.7 88.3 5.7 5.0 4.3 4.7 6.0 6.0 6.3 6.7 5.0 5.0 5.0 5.3 5.7 DLFPS-340/3444 78.3 88.3 5.3 6.3 5.7 6.0 6.0 6.0 5.3 5.3 6.0 6.3 5.3 5.0 5.7 DLFPS-340/3556 76.7 86.7 5.7 6.0 4.3 5.3 6.0 6.0 6.0 5.3 5.7 5.7 5.3 5.3 5.7 J-3510 78.3 90.0 5.3 5.7 5.3 5.7 6.7 6.0 5.3 5.7 5.3 5.7 5.7 5.3 5.7 PPG-KB 1304 70.0 91.7 6.0 5.0 5.0 4.7 5.7 6.0 6.3 5.7 5.7 5.7 5.3 5.0 5.7 YELLOWSTONE (A12-7) 70.0 90.0 5.7 5.7 6.3 6.0 6.0 6.3 6.7 5.7 5.3 5.3 4.7 4.7 5.6 A16-7 65.0 81.7 4.3 5.3 5.0 5.3 5.0 6.3 6.3 5.7 5.3 5.7 5.3 5.3 5.6 MIDNIGHT 71.7 91.7 5.7 6.3 5.0 6.0 6.3 6.0 5.7 5.3 5.3 5.7 5.3 5.3 5.6 AKB3128 81.7 88.3 5.0 4.7 4.7 4.3 5.7 6.3 6.0 5.3 5.3 5.3 5.0 5.0 5.5 A11-26 70.0 88.3 5.3 4.7 4.3 4.3 6.3 6.0 5.3 6.0 5.0 5.0 5.3 5.0 5.5 A15-6 66.7 86.7 5.7 6.0 5.3 6.0 5.3 5.3 6.3 5.3 5.7 5.7 5.3 5.3 5.5 GO-2425 76.7 91.7 5.3 7.3 6.0 6.3 6.7 5.7 5.0 5.3 5.0 5.7 5.3 5.0 5.5 PIVOT 80.0 90.0 6.0 5.0 5.3 5.3 6.0 5.7 6.0 5.3 5.3 5.3 5.0 5.0 5.5 PST-K13-141 80.0 88.3 5.7 4.7 4.3 5.0 5.7 6.7 6.3 6.0 4.7 5.3 5.0 4.7 5.5 PST-T14-39 63.3 88.3 5.0 4.7 4.3 4.3 6.0 6.0 6.7 5.3 5.0 5.0 5.0 5.3 5.5 SKYE 71.7 90.0 5.0 6.3 5.3 5.7 6.3 5.7 5.3 5.3 5.3 5.7 5.3 5.3 5.5 A99-2897 76.7 83.3 5.0 4.3 4.3 4.3 5.7 6.0 5.3 5.3 5.0 5.3 5.0 5.7 5.4 BABE 78.3 90.0 5.3 6.3 5.3 6.0 6.7 5.7 5.0 5.3 5.0 5.3 5.0 5.3 5.4 A16-2 66.7 86.7 5.0 6.3 6.0 6.7 6.0 5.3 5.0 5.3 5.0 6.0 5.3 5.0 5.4 DLFPS-340/3500 53.3 83.3 4.7 5.3 3.7 5.0 5.3 5.7 6.0 5.7 5.0 5.3 5.3 5.0 5.4 NAI-A16-3 75.0 90.0 6.0 6.7 6.3 6.0 6.3 5.0 4.0 5.3 6.0 6.0 5.7 4.7 5.4 PST-K13-139 70.0 88.3 5.3 5.3 5.7 5.7 6.0 5.3 5.7 5.3 5.0 5.3 5.3 5.0 5.4 PST-K15-157 73.3 91.7 5.0 5.0 5.0 5.7 5.0 5.3 5.3 5.7 5.3 5.7 5.7 5.0 5.4 TABLE 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST GROWN UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT COVER QUALITY WEAR TOLERANCE RATINGS QUALITY RATINGS NAME ESTABLISHMENT APRIL NOV 2017 MAY JULY OCTOBER MAY JUN JUL AUG SEP OCT NOV DEC MEAN SHAMROCK 73.3 90.0 4.3 6.7 6.3 6.0 5.7 5.7 5.0 5.3 5.3 6.0 5.3 5.0 5.4 A13-1 71.7 90.0 6.0 4.7 4.0 4.0 5.3 5.7 5.7 5.0 5.0 5.0 5.3 5.0 5.3 BLUE KNIGHT 70.0 86.7 5.0 6.0 5.7 6.0 5.3 6.0 5.7 5.3 5.3 5.3 5.0 4.7 5.3 RAD 553 85.0 93.3 6.3 5.3 5.0 5.3 6.7 6.3 5.3 5.3 5.0 4.7 4.3 4.7 5.3 A06-8 53.3 81.7 4.7 5.3 5.3 5.3 5.3 5.3 5.0 5.3 5.3 5.7 5.3 5.3 5.3 A10-280 56.7 85.0 4.0 4.3 4.3 4.7 5.7 5.3 5.7 5.3 5.0 5.0 5.0 5.0 5.3 A16-1 56.7 86.7 5.0 5.7 5.7 5.7 5.7 5.3 5.0 5.3 5.3 5.3 5.7 5.0 5.3 BARVETTE HGT? 78.3 91.7 5.3 5.3 5.3 5.3 6.7 5.7 6.0 4.7 5.0 5.0 4.7 4.3 5.3 DLFPS-340/3446 71.7 86.7 5.7 4.3 4.0 4.0 5.3 6.0 5.7 5.3 5.0 5.0 4.7 5.0 5.3 DLFPS-340/3552 78.3 85.0 5.0 5.0 4.7 4.7 5.0 6.7 6.3 5.3 5.0 5.0 5.0 4.3 5.3 DLFPS-340/3550 68.3 86.7 5.0 4.0 3.7 4.3 4.7 5.0 5.3 5.3 5.3 5.3 5.3 5.3 5.2 NAI-15-84 61.7 78.3 4.7 4.0 4.7 4.0 5.7 5.7 5.3 5.0 5.0 5.0 5.0 4.7 5.2 PST-K15-167 70.0 81.7 4.3 4.7 5.0 4.7 5.3 6.0 6.7 5.0 5.0 5.0 4.3 4.0 5.2 PST-K15-172 73.3 86.7 5.3 5.0 5.0 4.3 6.3 5.7 5.3 4.3 5.0 5.0 5.0 5.0 5.2 SELWAY 76.7 90.0 5.3 5.7 4.7 6.3 5.7 5.0 4.7 5.0 5.3 5.7 5.0 4.7 5.1 A16-17 83.3 91.7 6.3 4.7 4.7 4.7 5.0 5.3 6.0 5.3 5.3 5.0 4.7 4.0 5.1 DLFPS-340/3455 80.0 95.0 6.0 4.0 4.0 4.3 6.0 5.3 6.3 5.7 4.7 5.0 4.0 4.0 5.1 KENBLUE 91.7 91.7 6.7 4.0 4.0 4.0 5.0 5.3 4.7 5.3 5.3 5.3 5.0 4.7 5.1 ORION (PST-K13-143) 68.3 90.0 5.7 5.0 4.7 4.7 5.7 5.7 5.3 5.0 4.7 5.0 4.7 4.7 5.1 PST-K15-177 70.0 83.3 4.3 6.0 5.7 5.0 4.7 5.7 5.7 5.7 5.0 5.0 4.7 4.7 5.1 RAD-1776 81.7 93.3 5.7 4.7 4.7 5.0 6.0 6.3 5.0 5.0 4.0 5.0 4.7 5.0 5.1 A12-34 55.0 75.0 4.0 3.7 3.0 3.7 4.7 5.3 5.7 5.3 5.0 5.0 5.0 4.3 5.0 DLFPS-340/3553 65.0 86.7 4.7 3.7 3.0 4.0 5.7 5.0 4.3 5.0 4.7 5.0 5.0 5.0 5.0 PPG-KB 1320 43.3 76.7 4.3 5.0 4.3 4.7 5.0 5.7 5.0 5.0 4.7 5.0 4.7 5.0 5.0 DLFPS-340/3438 66.7 86.7 5.0 3.3 4.0 4.0 5.0 6.3 5.7 4.0 4.3 4.3 4.7 5.0 4.9 DLFPS-340/3548 66.7 88.3 4.7 5.3 4.3 4.7 6.0 5.0 4.3 5.0 5.0 5.0 4.3 4.3 4.9 NAI-15-80 28.3 68.3 3.7 4.0 4.0 3.7 5.0 5.3 5.0 5.0 5.0 4.7 4.7 4.3 4.9 BARSERATI (BAR PP 110358) 80.0 91.7 5.0 2.7 3.3 2.7 5.7 5.0 4.7 4.7 4.0 4.7 4.7 5.0 4.8 AKB3241 53.3 80.0 4.0 3.7 3.3 4.0 5.3 5.0 4.3 5.0 4.7 5.0 4.0 3.7 4.6 DLFPS-340/3364 20.0 53.3 3.3 3.3 3.3 4.0 4.0 4.7 5.3 5.0 4.0 4.7 4.7 4.7 4.6 NK-1 73.3 83.3 4.3 3.0 3.3 3.0 4.0 5.0 5.0 5.0 4.7 5.0 4.3 4.0 4.6 MVS-130 66.7 76.7 5.0 5.0 5.3 5.0 5.3 4.3 4.3 4.3 5.0 4.0 4.3 4.3 4.5 NAI-14-132 63.3 78.3 5.0 5.0 5.3 5.0 5.7 4.3 4.3 4.3 4.7 4.3 4.0 4.0 4.5 AKB3179 58.3 78.3 3.7 2.0 2.7 2.7 5.0 6.0 5.3 4.0 3.3 4.0 3.7 3.7 4.4 NAI-14-128 70.0 85.0 5.0 5.0 4.3 5.3 5.0 4.3 4.0 4.3 4.7 4.7 4.0 4.0 4.4 NAI-14-122 61.7 83.3 5.3 5.3 6.0 5.7 5.0 4.3 4.0 4.0 4.7 4.3 4.3 4.0 4.3 NAI-14-133 63.3 81.7 4.0 5.0 5.0 4.3 5.0 4.3 4.0 4.0 4.7 4.0 4.0 4.0 4.3 NAI-14-176 56.7 75.0 4.7 5.0 4.7 5.0 5.0 4.0 4.0 4.3 4.3 4.0 4.0 3.7 4.2 NAI-14-187 58.3 71.7 4.7 4.7 4.7 4.7 4.3 4.0 4.0 4.3 4.0 4.0 4.0 4.0 4.1 LSD VALUE 12.4 7.1 1.0 0.9 0.8 0.7 0.9 1.0 0.9 0.9 0.7 0.7 0.8 0.9 0.5 C.V. (%) 11.4 5.3 11.3 11.6 10.5 9.5 9.4 10.4 10.6 9.8 8.6 8.8 9.5 10.7 6.0 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 MA1 LOAM 5.6-6.0 0-60 241-375 3.1-4.0 FULL SUN 0.0-0.5 TO PREVENT STRESS