TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT WEST LAFAYETTE, IN 1/ 2021 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING STEM DOLLAR QUALITY RATINGS NAME GREENUP RUST SPOT SEEDHEAD APR MAY JUN JUL AUG SEP OCT NOV MEAN BARSERATI (BAR PP 110358) 5.0 8.0 8.0 7.0 7.3 6.7 6.0 6.0 7.3 5.7 6.7 6.7 6.5 AKB3179 4.3 7.3 8.3 8.7 6.3 6.3 6.0 6.0 6.7 6.3 6.0 6.3 6.3 DLFPS-340/3550 6.7 6.7 9.0 8.0 7.3 5.0 6.7 6.7 6.3 6.3 6.0 6.3 6.3 A11-26 4.3 6.7 6.7 8.0 6.3 6.0 7.0 6.3 6.0 6.0 5.3 6.3 6.2 A13-1 5.7 8.3 8.3 6.3 6.0 6.3 7.3 7.0 5.7 5.3 6.0 6.0 6.2 BOMBAY (GO-22B23) 5.0 5.7 7.7 5.3 7.3 6.3 5.0 5.7 6.3 5.7 6.3 6.7 6.2 STARR (GO-2628) 5.0 4.7 8.7 7.0 7.0 6.0 5.3 5.7 5.7 5.7 7.0 7.3 6.2 DLFPS-340/3500 5.7 6.3 6.3 6.3 5.7 5.0 6.7 6.3 6.3 5.7 6.0 7.0 6.1 JERSEY (NAI-A16-3) 5.7 6.3 6.0 8.0 7.3 7.0 5.3 5.3 6.3 5.7 5.3 6.3 6.1 A16-17 5.0 7.3 6.3 7.7 6.0 6.3 6.0 6.3 6.3 5.3 6.0 5.7 6.0 CLOUD (GO-2425) 5.7 5.0 7.7 6.3 6.3 5.7 6.0 6.0 6.0 5.3 6.3 6.3 6.0 DLFPS-340/3551 6.3 6.7 8.7 4.3 6.3 5.0 6.0 6.7 6.0 6.3 5.7 5.7 6.0 DLFPS-340/3553 7.3 7.0 7.3 5.7 5.7 5.7 6.0 6.0 6.0 6.0 6.0 6.3 6.0 PPG-KB 1304 5.7 6.3 8.3 8.0 6.0 7.0 6.0 5.7 6.3 5.3 6.0 5.7 6.0 PST-K15-172 4.0 5.3 7.0 5.0 7.3 6.3 5.7 5.3 6.3 5.7 5.7 6.0 6.0 RAD-1776 6.7 8.0 7.7 5.7 6.0 6.0 5.0 5.3 6.7 6.3 6.0 6.7 6.0 A99-2897 7.3 6.3 7.7 7.7 6.0 5.0 6.7 6.0 5.7 4.7 6.7 6.3 5.9 BARVETTE HGT? 4.7 7.7 6.7 8.0 5.7 6.0 5.0 5.0 6.3 6.3 6.0 6.7 5.9 ELECTRIC (PST-K11-118) 7.0 7.3 7.7 4.7 5.7 5.0 6.3 6.0 6.3 7.0 5.3 5.7 5.9 SKYE 5.7 5.7 8.3 5.3 7.0 5.7 4.7 5.0 5.7 6.0 6.0 7.0 5.9 SYRAH (LTP-11-41) 6.7 4.7 6.0 6.3 7.0 6.7 6.0 6.0 5.7 4.3 5.0 6.3 5.9 A16-2 6.7 7.3 6.7 5.0 5.7 5.0 6.0 6.3 6.0 6.0 5.3 6.3 5.8 AKB3128 6.0 7.0 8.3 4.3 6.7 5.0 5.3 5.3 6.0 5.7 6.3 6.3 5.8 AKB3241 5.3 6.7 8.7 5.3 6.0 5.7 5.7 5.3 6.0 6.0 6.3 5.7 5.8 DLFPS-340/3438 5.0 6.3 9.0 5.0 7.0 6.3 4.7 4.7 5.3 6.3 5.7 6.7 5.8 DLFPS-340/3556 6.7 6.0 7.7 7.7 5.0 5.0 6.3 7.7 6.0 5.0 5.0 6.0 5.8 KH3492 6.7 6.7 7.7 5.7 5.0 5.7 6.0 6.0 6.0 5.7 5.7 6.0 5.8 A11-40 7.0 6.7 7.7 5.7 5.3 6.0 6.0 5.7 5.3 5.7 6.0 5.7 5.7 BAR PP 79366 6.0 7.0 5.7 7.7 6.3 5.3 6.3 5.7 5.7 5.0 5.0 6.3 5.7 DLFPS-340/3446 6.3 7.0 7.7 5.3 5.7 5.7 6.0 6.3 5.7 5.3 5.3 5.7 5.7 DLFPS-340/3552 5.3 6.0 8.3 6.7 6.7 5.0 5.3 5.7 6.3 5.7 5.3 5.7 5.7 MVS-130 3.7 5.0 8.7 5.0 5.3 6.3 6.0 6.0 5.7 6.0 5.0 5.3 5.7 NAI-14-128 3.7 5.0 8.7 6.0 5.3 5.7 5.7 6.0 5.7 5.3 5.7 6.3 5.7 NURUSH (J-3510) 4.7 5.7 7.3 7.3 4.0 5.0 6.3 6.7 5.7 5.0 6.0 6.7 5.7 PPG-KB 1131 3.7 6.3 8.0 6.0 4.3 4.7 6.0 6.0 5.7 6.0 6.7 6.0 5.7 PST-K13-141 5.0 6.7 6.7 4.3 6.0 5.0 6.0 6.3 6.3 5.3 5.0 5.3 5.7 UNITED (NAI-13-14) 4.7 6.0 8.3 8.0 4.3 4.3 7.0 6.7 5.3 5.7 6.3 5.7 5.7 AMAZE (NAI-14-133) 3.3 4.7 8.7 5.3 5.0 5.0 6.0 6.0 6.0 5.3 6.0 5.7 5.6 BAR PP 7236V 5.3 6.0 6.3 4.0 6.7 6.0 5.0 5.0 5.7 4.3 5.7 6.3 5.6 BAR PP 7K426 6.3 7.0 7.0 5.0 6.7 5.7 5.0 5.3 5.7 5.7 5.3 5.7 5.6 COMANCHE (NAI-14-176) 3.0 5.7 8.0 5.0 5.0 5.0 5.3 5.0 6.0 6.3 6.3 5.7 5.6 DLFPS-340/3455 5.3 7.3 7.3 5.7 7.0 6.0 5.3 5.0 5.7 5.3 4.7 5.7 5.6 A06-8 7.7 7.0 7.3 6.7 5.3 5.3 6.0 5.3 6.0 5.3 5.7 5.3 5.5 A10-280 5.0 8.3 6.3 5.0 6.3 5.7 5.3 5.7 5.3 5.3 5.0 5.3 5.5 BLUE DEVIL 5.0 6.7 8.0 5.3 5.3 5.3 5.3 5.3 6.0 5.7 5.0 6.0 5.5 DLFPS-340/3549 3.7 7.0 6.7 8.0 5.7 6.7 6.0 5.0 5.7 4.7 4.3 5.7 5.5 J-1138 4.3 6.0 7.3 7.0 4.3 4.7 6.7 6.0 5.3 5.3 5.3 6.3 5.5 MIDNIGHT 5.0 6.0 8.7 7.7 4.0 4.7 5.3 6.0 6.0 6.0 5.7 6.3 5.5 NAI-14-122 3.3 5.0 8.3 5.3 4.7 5.0 5.3 6.0 5.7 5.7 5.7 6.0 5.5 ORION (PST-K13-143) 4.7 6.7 6.7 4.3 6.0 6.3 5.3 5.3 5.3 5.0 5.3 5.3 5.5 TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT WEST LAFAYETTE, IN 1/ 2021 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING STEM DOLLAR QUALITY RATINGS NAME GREENUP RUST SPOT SEEDHEAD APR MAY JUN JUL AUG SEP OCT NOV MEAN SELWAY 3.3 7.0 8.3 8.3 6.7 6.0 4.3 5.3 6.0 5.3 4.3 5.7 5.5 A11-38 7.7 6.0 6.3 7.3 6.0 5.7 6.0 5.0 5.3 5.0 5.0 5.3 5.4 A15-6 7.0 6.0 8.0 5.7 5.7 5.0 5.7 5.7 5.7 5.0 5.3 5.3 5.4 A16-1 6.3 5.7 6.3 4.7 5.3 4.3 6.0 5.7 5.3 5.0 5.3 6.0 5.4 BABE 6.0 6.3 6.3 5.0 4.7 5.3 5.7 5.7 5.7 4.7 5.7 5.7 5.4 BLUE GEM (NAI-13-9) 4.3 6.3 8.3 7.3 4.0 4.7 6.3 6.0 5.3 5.0 5.7 6.0 5.4 DLFPS-340/3444 6.0 5.7 8.0 4.7 5.0 5.0 5.7 5.3 5.7 5.3 5.7 5.7 5.4 FINISH LINE (NAI-14-178) 7.5 5.0 6.5 8.5 4.5 4.5 6.0 6.5 5.5 4.5 6.5 5.5 5.4 NK-1 6.7 6.0 8.0 5.3 6.0 5.7 5.0 5.3 4.7 5.7 5.0 5.7 5.4 RAD 553 4.7 5.7 6.3 7.0 6.3 6.0 5.3 5.3 5.7 5.0 4.0 5.3 5.4 BAR PP 71213 7.0 7.3 6.0 2.3 6.3 4.3 4.0 5.0 5.7 5.7 5.3 6.0 5.3 PALOMA (PST-K13-139) 4.3 5.3 4.7 6.3 6.7 6.3 5.0 5.3 4.7 4.0 4.7 5.3 5.3 YELLOWSTONE (A12-7) 7.0 4.7 7.0 4.7 6.0 6.3 5.3 5.0 5.0 4.7 4.7 5.3 5.3 A12-34 6.7 7.0 8.3 7.3 4.7 4.7 5.7 5.3 5.0 5.0 5.0 6.0 5.2 BAR PP 7309V 6.3 7.0 6.3 4.0 5.7 5.3 4.3 5.0 5.3 4.7 5.0 6.3 5.2 BAR PP 79494 4.7 6.7 8.0 7.3 4.0 4.0 5.3 6.0 5.3 5.3 5.3 6.0 5.2 DLFPS-340/3548 4.3 6.7 5.7 7.7 6.0 6.0 5.0 4.3 4.3 4.7 4.7 6.0 5.1 PROSPERITY 6.7 5.0 8.3 5.7 4.3 5.0 6.3 5.3 5.3 5.3 4.3 4.7 5.1 NAI-14-132 3.3 5.0 8.0 5.0 5.0 6.0 6.0 6.5 5.5 5.5 6.0 6.5 5.0 PST-11-7 6.0 5.7 8.3 3.0 5.3 4.3 6.0 5.0 5.3 5.0 4.3 4.7 5.0 PST-T14-39 5.0 5.7 5.7 5.0 4.7 5.0 5.3 5.3 5.3 4.3 5.0 5.3 5.0 A16-7 5.3 6.7 6.7 6.7 4.0 3.7 5.7 5.3 5.3 4.7 5.0 5.7 4.9 KENBLUE 4.3 7.7 5.0 7.7 6.0 6.0 4.0 5.0 5.3 4.7 3.0 5.3 4.9 BLUE KNIGHT 6.0 5.0 7.3 4.0 4.3 5.0 6.0 5.3 4.3 4.0 4.0 5.0 4.8 DLFPS-340/3364 6.0 6.7 7.3 6.0 3.7 4.7 5.7 5.0 5.0 4.0 4.7 5.3 4.8 SHAMROCK 6.3 5.3 7.0 4.7 5.0 4.0 6.0 5.3 5.0 4.3 4.0 4.7 4.8 PIVOT 6.3 4.3 8.3 4.0 5.3 5.0 5.3 5.3 4.3 3.3 4.0 4.7 4.7 TWILIGHT (NAI-13-132) 4.7 6.5 7.0 6.7 3.3 4.0 5.3 7.0 6.0 5.5 5.5 5.5 4.7 AVIATOR II (NAI-15-84) 6.0 6.0 7.7 4.7 4.7 5.0 5.0 4.3 4.7 4.3 4.0 5.0 4.6 DUBLIN (PST-K15-157) 6.3 6.3 9.0 5.3 4.7 4.3 5.3 4.0 4.3 3.7 4.7 5.3 4.5 NAI-15-80 5.7 5.3 7.3 3.3 4.0 4.7 4.3 4.3 4.3 4.0 4.0 6.0 4.5 J-2726 5.0 3.0 4.0 7.0 3.0 3.5 6.5 6.5 4.5 3.0 3.5 4.5 4.4 NEW MOON (PST-K15-177) 4.7 4.0 8.0 3.7 4.3 4.0 4.7 4.7 3.7 3.7 4.3 5.7 4.4 DLFPS-340/3494 4.7 3.0 7.5 4.0 3.0 3.7 5.0 5.7 3.7 3.3 4.7 5.0 4.3 PPG-KB 1320 6.0 3.5 7.0 7.7 4.7 4.5 6.0 4.5 4.5 4.0 3.0 4.0 4.3 PST-K15-167 4.7 6.0 7.7 3.7 4.7 3.3 5.0 3.7 4.0 3.0 4.0 5.0 4.1 HEARTLAND (NAI-14-187) 3.0 6.0 7.0 5.3 3.7 6.0 5.0 6.0 5.0 5.0 5.0 6.0 3.8 AFTER MIDNIGHT 5.0 4.0 9.0 8.0 3.3 5.0 5.0 7.0 4.0 5.0 5.0 6.0 3.4 J-1319 4.3 5.0 . 6.0 3.0 4.0 5.0 4.0 3.0 2.0 3.0 3.0 3.1 LSD VALUE 1.1 1.3 1.7 1.2 1.3 1.2 1.4 1.3 1.2 1.3 1.4 1.6 0.8 C.V. (%) 13.3 12.8 12.7 13.0 15.3 12.8 12.8 12.2 11.8 14.6 14.5 12.7 9.5 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. 2021 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 IN1 SILT LOAM AND SILT 7.1-7.5 61-150 151-240 2.1-3.0 FULL SUN 4.1+ NO IRRIGATION