TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT BLACKSBURG, VA 1/ 2019 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT GROUND ESTABLISH- QUALITY RATINGS NAME COVER SPRING MENT MAY JUN JUL AUG SEP OCT MEAN A11-40 99 80.0 8.3 6.0 5.3 6.7 5.0 6.7 6.3 DLFPS-340/3364 99 81.3 7.7 6.7 6.3 5.3 5.3 6.7 6.3 A11-26 99 81.3 7.7 6.3 5.7 5.7 5.3 6.3 6.2 A99-2897 99 78.3 7.7 6.3 5.7 6.3 4.7 6.3 6.2 DLFPS-340/3548 99 80.0 8.0 6.3 5.7 5.7 5.3 6.3 6.2 PST-11-7 99 75.0 8.7 6.3 6.3 5.7 4.0 6.3 6.2 RAD 553 99 80.0 8.3 6.0 5.7 6.0 5.0 6.3 6.2 BAR PP 71213 99 78.3 8.3 5.7 6.3 5.0 4.7 6.3 6.1 BAR PP 7309V 99 78.3 7.7 6.0 5.7 6.0 5.0 6.3 6.1 DLFPS-340/3549 99 78.3 7.0 6.3 6.0 5.7 5.0 6.3 6.1 NURUSH (J-3510) 99 76.7 8.3 6.0 6.3 5.3 4.3 6.0 6.1 STARR (GO-2628) 99 78.3 8.3 5.7 6.3 5.0 5.0 6.3 6.1 AKB3179 99 81.7 7.0 6.0 6.0 5.0 5.7 6.3 6.0 PPG-KB 1320 99 83.0 8.0 6.0 5.3 5.0 5.7 6.0 6.0 RAD-1776 99 83.0 8.7 6.0 5.0 4.3 5.7 6.3 6.0 SELWAY 99 78.3 8.7 6.0 5.7 5.0 4.7 6.0 6.0 SKYE 99 76.7 8.0 6.0 6.3 5.0 4.3 6.3 6.0 A11-38 99 76.7 8.0 6.0 5.0 5.7 5.0 6.0 5.9 AFTER MIDNIGHT 99 76.7 8.0 6.0 6.3 4.3 4.7 6.0 5.9 BAR PP 79494 99 80.0 8.3 6.0 5.7 4.3 5.3 6.0 5.9 BARSERATI (BAR PP 110358) 99 84.7 6.0 6.3 5.3 5.3 6.0 6.7 5.9 BARVETTE HGT? 99 78.3 8.3 5.7 5.3 5.3 5.0 6.0 5.9 J-1319 99 78.3 7.7 6.0 6.0 4.7 5.0 6.0 5.9 J-2726 99 80.0 6.7 6.0 6.0 5.3 5.3 6.0 5.9 KH3492 99 83.0 6.7 6.0 5.7 5.0 6.0 6.3 5.9 NAI-14-122 99 78.3 7.0 6.0 5.0 6.3 5.0 6.0 5.9 AKB3241 99 76.7 8.0 6.0 6.3 4.3 4.3 6.0 5.8 BAR PP 7236V 99 80.0 8.0 5.7 5.0 5.0 5.3 6.0 5.8 DLFPS-340/3500 99 83.0 7.3 6.0 4.7 5.3 5.7 6.0 5.8 FINISH LINE (NAI-14-178) 99 81.3 7.0 6.0 5.3 5.0 5.3 6.3 5.8 J-1138 99 81.7 7.0 6.0 5.3 5.0 5.7 6.0 5.8 JERSEY (NAI-A16-3) 99 84.7 6.3 6.0 4.7 5.3 6.0 6.3 5.8 MVS-130 99 78.3 6.3 5.7 5.3 6.3 5.0 6.3 5.8 NK-1 99 78.3 7.0 5.7 6.0 5.0 5.0 6.3 5.8 ORION (PST-K13-143) 99 76.7 6.7 6.0 6.7 5.0 4.3 6.0 5.8 PIVOT 99 78.3 6.7 6.0 5.7 5.3 5.0 6.0 5.8 YELLOWSTONE (A12-7) 99 80.0 6.7 6.3 5.0 5.3 5.3 6.3 5.8 A06-8 99 79.7 7.0 6.0 5.0 4.7 5.3 6.0 5.7 A16-7 99 76.7 7.3 5.7 6.0 4.7 4.7 6.0 5.7 BAR PP 7K426 99 78.3 6.3 5.7 5.3 5.7 4.7 6.3 5.7 BLUE KNIGHT 99 78.3 8.0 5.7 5.0 4.7 4.7 6.0 5.7 BOMBAY (GO-22B23) 99 76.7 8.0 5.7 4.3 5.3 5.0 6.0 5.7 CLOUD (GO-2425) 99 78.3 7.3 6.0 6.0 4.0 4.7 6.0 5.7 KENBLUE 99 83.0 8.7 5.3 4.3 4.0 5.7 6.0 5.7 SYRAH (LTP-11-41) 99 80.0 7.0 6.0 5.7 4.3 5.0 6.3 5.7 AMAZE (NAI-14-133) 99 75.0 7.3 5.7 5.3 5.0 4.3 6.0 5.6 BABE 99 80.0 7.3 5.7 5.3 4.0 5.3 5.7 5.6 DLFPS-340/3444 99 81.3 7.0 5.3 5.3 4.7 5.0 6.0 5.6 DLFPS-340/3446 99 76.7 7.7 5.3 5.3 4.7 4.7 6.0 5.6 DLFPS-340/3494 99 81.3 6.7 5.7 5.3 4.7 5.3 6.0 5.6 TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT BLACKSBURG, VA 1/ 2019 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT GROUND ESTABLISH- QUALITY RATINGS NAME COVER SPRING MENT MAY JUN JUL AUG SEP OCT MEAN DLFPS-340/3552 94.3 71.7 7.0 5.7 5.7 5.0 4.3 5.7 5.6 DLFPS-340/3553 99.0 76.7 7.3 5.7 5.3 4.7 4.7 6.0 5.6 TWILIGHT (NAI-13-132) 99.0 78.3 7.3 5.7 5.3 4.3 5.0 6.0 5.6 NEW MOON (PST-K15-177) 99.0 81.3 7.0 6.0 5.0 4.7 5.0 6.0 5.6 PROSPERITY 99.0 80.0 6.3 6.0 5.3 4.7 5.0 6.0 5.6 SHAMROCK 96.0 76.7 7.3 5.7 4.7 5.0 5.3 5.7 5.6 NAI-14-132 99.0 75.0 7.0 5.7 5.7 4.7 4.7 6.0 5.6 BAR PP 79366 99.0 80.0 6.7 5.7 5.7 4.0 5.0 6.0 5.5 BLUE DEVIL 99.0 78.3 7.0 5.3 5.3 4.7 5.0 5.7 5.5 PST-K15-167 99.0 76.7 7.3 5.3 5.0 5.0 4.7 5.7 5.5 PST-K15-172 99.0 78.3 7.0 5.7 5.3 4.3 5.0 5.7 5.5 A10-280 99.0 78.3 5.7 5.7 5.3 5.0 5.0 5.7 5.4 A16-1 99.0 75.0 6.7 5.3 5.0 5.0 4.7 5.7 5.4 A16-17 92.7 73.3 6.0 5.3 4.7 5.7 5.0 5.7 5.4 AVIATOR II (NAI-15-84) 99.0 76.7 6.7 5.3 4.7 5.0 5.0 5.7 5.4 BLUE GEM (NAI-13-9) 99.0 78.3 8.3 5.3 4.3 3.7 5.0 5.7 5.4 DLFPS-340/3438 99.0 75.0 7.0 5.7 5.0 5.0 4.3 5.7 5.4 DLFPS-340/3455 99.0 75.0 8.0 5.0 5.0 4.3 4.0 6.0 5.4 DLFPS-340/3551 99.0 73.3 8.0 5.3 5.0 4.7 4.3 5.3 5.4 PALOMA (PST-K13-139) 99.0 78.3 7.3 5.3 4.7 4.7 5.0 5.7 5.4 PPG-KB 1304 99.0 76.7 6.7 5.3 6.0 4.3 4.7 5.7 5.4 PST-K15-157 99.0 76.7 6.3 5.7 6.0 4.3 4.3 5.7 5.4 A13-1 99.0 78.3 5.7 5.7 5.0 4.7 5.0 6.0 5.3 DLFPS-340/3556 99.0 75.0 6.0 5.7 5.0 4.7 4.7 5.7 5.3 NAI-15-80 99.0 78.3 5.0 5.7 5.3 5.0 4.7 6.0 5.3 PST-K11-118 99.0 75.0 8.0 5.3 5.0 4.0 4.0 5.7 5.3 UNITED (NAI-13-14) 97.7 75.0 7.3 5.0 5.3 4.0 4.3 5.7 5.3 A12-34 99.0 76.7 7.3 5.3 5.0 3.3 4.7 5.3 5.2 A16-2 99.0 75.0 6.0 5.3 5.7 4.3 4.3 5.3 5.2 AKB3128 99.0 78.3 5.7 5.7 4.7 4.7 5.0 5.7 5.2 DLFPS-340/3550 97.7 73.3 7.0 5.0 5.7 3.7 4.3 5.7 5.2 HEARTLAND (NAI-14-187) 99.0 81.3 5.7 5.7 4.0 4.3 6.0 5.7 5.2 NAI-14-128 99.0 75.0 5.7 5.3 6.0 4.0 4.3 5.7 5.2 PST-T14-39 96.0 73.3 6.3 5.3 4.7 4.7 4.7 5.7 5.2 A15-6 99.0 75.0 6.7 5.3 5.0 4.0 4.0 5.7 5.1 COMANCHE (NAI-14-176) 99.0 75.0 6.0 5.3 5.0 4.0 4.7 5.3 5.1 PST-K13-141 99.0 73.3 7.0 5.0 4.7 3.7 4.3 5.0 4.9 MIDNIGHT 99.0 75.0 5.7 5.0 5.3 3.3 4.3 5.3 4.8 PPG-KB 1131 99.0 75.0 5.0 5.0 5.0 3.7 4.3 5.7 4.8 LSD VALUE 6.9 17.7 4.5 3.0 4.7 3.7 3.8 2.5 3.1 C.V. (%) 1.7 5.9 19.1 11.5 18.6 22.4 17.4 9.6 11.3 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 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