TABLE 22. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT BLACKSBURG, VA 1/ 2020 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GROUND QUALITY RATINGS NAME COVER SPRING MAY JUN JUL AUG SEP OCT MEAN PPG-KB 1304 99.0 7.0 9.0 9.0 8.0 9.0 8.3 8.4 STARR (GO-2628) 99.0 7.3 9.0 8.7 7.7 7.7 8.0 8.1 BARVETTE HGT? 99.0 7.0 8.7 5.7 8.3 9.0 9.0 7.9 BOMBAY (GO-22B23) 99.0 7.3 9.0 7.0 8.0 8.0 8.3 7.9 DLFPS-340/3455 99.0 7.3 8.7 8.3 7.3 6.7 8.3 7.8 SKYE 99.0 7.7 8.7 6.3 7.3 7.7 8.7 7.7 RAD-1776 99.0 7.7 9.0 8.0 6.7 6.0 8.0 7.6 BAR PP 7236V 99.0 7.7 8.3 7.0 6.7 7.0 7.0 7.3 ELECTRIC (PST-K11-118) 99.0 7.0 9.0 8.0 6.3 5.3 8.0 7.3 A11-26 99.0 7.3 9.0 5.7 6.3 7.0 8.0 7.2 A11-40 99.0 7.0 8.3 8.3 7.0 6.7 5.7 7.2 A16-1 99.0 7.3 8.3 7.7 6.0 5.3 8.3 7.2 A16-2 99.0 7.3 8.7 6.3 6.3 7.3 7.3 7.2 CLOUD (GO-2425) 99.0 7.7 8.3 6.7 6.7 6.0 7.7 7.2 KH3492 99.0 6.7 8.3 5.7 6.7 7.7 8.3 7.2 BARSERATI (BAR PP 110358) 99.0 7.3 9.0 7.7 6.3 7.3 4.7 7.1 SHAMROCK 96.0 7.7 8.3 7.3 6.3 6.3 6.7 7.1 SYRAH (LTP-11-41) 99.0 7.0 8.3 7.0 6.3 6.0 8.0 7.1 TWILIGHT (NAI-13-132) 99.0 7.7 8.7 6.3 6.3 6.0 7.7 7.1 A10-280 99.0 8.7 8.3 5.0 5.7 6.3 8.0 7.0 J-1138 99.0 8.0 9.0 6.0 6.3 6.0 6.7 7.0 A15-6 99.0 7.3 9.0 5.7 5.3 7.0 7.3 6.9 AKB3128 99.0 8.3 8.0 5.7 5.0 6.3 7.3 6.8 DLFPS-340/3553 99.0 6.7 8.7 7.3 5.3 6.0 6.7 6.8 PPG-KB 1131 99.0 6.0 8.3 6.0 5.7 6.7 8.0 6.8 A16-17 92.7 8.0 8.7 7.7 4.0 5.3 6.7 6.7 AKB3241 99.0 7.7 7.3 5.3 5.7 6.7 7.3 6.7 BAR PP 79494 99.0 7.0 8.3 6.3 5.0 6.3 7.3 6.7 A13-1 99.0 8.3 8.7 5.0 5.3 5.7 6.3 6.6 A99-2897 99.0 8.0 8.0 5.0 4.3 7.0 7.0 6.6 BLUE DEVIL 99.0 7.3 8.3 6.3 5.7 5.0 7.0 6.6 DLFPS-340/3444 99.0 6.3 8.3 6.0 5.3 5.7 7.7 6.6 FINISH LINE (NAI-14-178) 99.0 7.0 8.3 5.3 5.7 6.3 6.7 6.6 MIDNIGHT 99.0 7.7 8.7 6.7 6.0 4.0 6.3 6.6 A06-8 99.0 7.3 8.0 5.7 5.3 6.0 6.7 6.5 DLFPS-340/3550 97.7 7.7 8.3 6.0 5.3 4.0 7.7 6.5 HEARTLAND (NAI-14-187) 99.0 7.3 8.3 6.3 4.3 5.0 7.7 6.5 BABE 99.0 7.0 8.3 6.0 5.3 5.0 7.0 6.4 ORION (PST-K13-143) 99.0 6.7 8.0 6.7 6.3 4.7 6.3 6.4 PIVOT 99.0 7.7 8.3 6.3 5.0 5.0 6.0 6.4 DLFPS-340/3549 99.0 6.7 8.7 6.3 4.3 4.7 7.0 6.3 KENBLUE 99.0 6.7 7.0 7.0 6.0 5.7 5.7 6.3 NAI-14-122 99.0 6.7 9.0 6.7 5.3 5.0 5.3 6.3 BAR PP 7K426 99.0 6.7 8.0 5.7 5.3 6.0 5.3 6.2 DLFPS-340/3500 99.0 8.3 8.7 4.0 5.0 5.7 5.7 6.2 AFTER MIDNIGHT 99.0 7.7 9.0 6.0 4.7 3.7 5.7 6.1 DLFPS-340/3548 99.0 6.3 8.0 6.7 4.0 3.7 8.0 6.1 SELWAY 99.0 7.7 8.0 7.3 4.7 4.0 4.7 6.1 UNITED (NAI-13-14) 97.7 7.3 8.3 5.0 5.0 4.3 6.3 6.1 YELLOWSTONE (A12-7) 99.0 7.0 7.7 4.3 4.7 5.7 7.0 6.1 TABLE 22. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT BLACKSBURG, VA 1/ 2020 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT GROUND QUALITY RATINGS NAME COVER SPRING MAY JUN JUL AUG SEP OCT MEAN BLUE GEM (NAI-13-9) 99.0 7.7 8.7 5.7 4.3 4.0 5.7 6.0 DUBLIN (PST-K15-157) 99.0 7.3 9.0 5.0 3.7 3.7 7.3 6.0 MVS-130 99.0 6.3 8.7 7.3 5.0 4.3 4.3 6.0 BAR PP 7309V 99.0 7.0 7.7 5.3 5.3 5.3 5.0 5.9 COMANCHE (NAI-14-176) 99.0 8.0 8.3 5.3 4.0 3.7 6.0 5.9 JERSEY (NAI-A16-3) 99.0 7.7 9.0 5.3 4.3 4.3 5.0 5.9 PROSPERITY 99.0 6.7 8.0 4.7 4.7 5.3 6.3 5.9 DLFPS-340/3552 94.3 7.7 7.7 3.7 4.0 4.7 7.0 5.8 A16-7 99.0 8.0 7.7 4.3 4.3 3.3 6.5 5.7 AMAZE (NAI-14-133) 99.0 7.0 8.0 4.7 3.7 3.7 7.3 5.7 DLFPS-340/3551 99.0 8.0 8.7 3.7 3.7 4.0 6.0 5.7 J-1319 99.0 7.3 7.7 5.3 4.0 3.7 6.0 5.7 PALOMA (PST-K13-139) 99.0 7.3 7.7 6.0 4.3 3.7 5.3 5.7 PST-11-7 99.0 6.7 7.7 5.0 4.7 4.0 6.3 5.7 PST-K13-141 99.0 7.0 8.7 4.3 3.7 4.0 6.7 5.7 RAD 553 99.0 7.3 7.0 5.0 4.3 5.7 5.0 5.7 AVIATOR II (NAI-15-84) 99.0 7.3 7.7 5.3 5.0 4.0 4.3 5.6 DLFPS-340/3438 99.0 6.3 8.0 5.7 3.7 4.0 5.7 5.6 PST-K15-167 99.0 7.3 7.7 5.0 4.3 3.7 5.3 5.6 AKB3179 99.0 6.7 7.7 4.0 4.7 4.3 5.0 5.4 DLFPS-340/3364 99.0 7.7 7.7 3.7 3.3 3.7 6.7 5.4 NAI-14-128 99.0 7.7 7.3 5.7 4.0 3.0 4.7 5.4 NURUSH (J-3510) 99.0 6.7 7.3 4.3 4.3 4.0 6.0 5.4 BAR PP 79366 99.0 6.3 7.3 3.3 4.0 5.0 5.7 5.3 DLFPS-340/3446 99.0 7.0 7.7 5.3 4.0 3.7 4.3 5.3 PST-K15-172 99.0 7.0 7.3 3.7 3.3 3.7 7.0 5.3 A11-38 99.0 7.0 6.7 3.7 3.7 5.0 5.0 5.2 A12-34 99.0 7.7 7.7 4.0 3.7 3.3 4.7 5.2 NAI-15-80 99.0 8.0 7.3 4.3 3.3 3.3 5.0 5.2 BLUE KNIGHT 99.0 6.3 6.3 3.3 3.7 4.0 6.7 5.1 NK-1 99.0 7.0 7.7 4.3 3.7 3.3 4.7 5.1 PST-T14-39 96.0 5.7 7.7 5.3 4.3 3.0 4.7 5.1 DLFPS-340/3494 99.0 7.3 6.7 4.0 3.3 3.0 5.7 5.0 NAI-14-132 99.0 6.0 7.3 5.3 3.3 3.3 4.3 4.9 PPG-KB 1320 99.0 7.0 8.3 4.0 3.7 3.0 3.7 4.9 BAR PP 71213 99.0 7.0 8.0 3.7 3.3 3.0 4.0 4.8 NEW MOON (PST-K15-177) 99.0 7.0 7.0 3.7 3.7 2.7 4.7 4.8 DLFPS-340/3556 99.0 7.0 8.0 3.3 3.3 2.7 3.7 4.7 J-2726 99.0 6.7 6.3 3.7 4.0 4.0 3.7 4.7 LSD VALUE 6.9 5.3 3.1 2.4 2.2 3.2 5.3 1.8 C.V. (%) 1.7 14.8 12.3 24.2 25.3 33.6 30.5 15.3 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. TABLE A. 2020 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 ILT LOAM AND SILT 6.1-6.5 0-60 0-150 3.1-4.0 LIGHT SHADE 1.6-2.0 ONLY DURING SEVERE STRESS