TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES (SHADE), IA 1/ 2019 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING QUALITY RATINGS NAME COLOR GREENUP APR MAY JUN JUL AUG SEP OCT NOV MEAN A06-8 7.7 6.3 6.0 6.0 6.3 6.3 6.3 7.0 6.3 6.0 6.3 BAR PP 7309V 7.3 6.3 6.3 6.7 6.3 5.7 6.0 6.3 5.7 5.7 6.1 DLFPS-340/3494 8.3 6.0 5.7 5.7 6.0 6.0 6.3 7.0 6.0 6.0 6.1 JERSEY (NAI-A16-3) 8.0 5.7 6.0 6.3 6.0 6.0 5.7 7.0 5.3 5.3 6.0 A10-280 6.3 5.3 5.3 6.0 5.3 5.7 5.7 6.0 6.0 6.0 5.8 AKB3128 6.0 6.0 5.3 6.3 5.7 5.7 6.0 6.0 5.7 5.7 5.8 BAR PP 79494 7.0 6.3 5.3 6.0 5.3 5.7 6.0 6.0 6.0 6.0 5.8 BOMBAY (GO-22B23) 6.7 6.0 5.3 6.3 6.0 5.3 6.3 6.0 5.3 5.3 5.8 DLFPS-340/3446 8.0 5.7 5.7 6.3 6.0 5.7 6.0 6.3 5.3 5.0 5.8 DLFPS-340/3455 6.7 6.0 5.3 6.0 6.3 5.7 6.0 6.3 5.0 5.7 5.8 J-1319 7.7 6.7 6.3 6.7 5.7 6.0 5.7 5.7 5.0 5.0 5.8 UNITED (NAI-13-14) 7.0 6.0 5.7 6.0 5.3 5.3 6.0 6.0 6.3 6.0 5.8 A16-2 7.0 5.7 5.0 6.0 5.0 6.0 5.7 6.0 6.0 5.7 5.7 A99-2897 7.3 7.3 6.0 5.7 5.3 5.3 5.7 6.3 5.7 5.7 5.7 AFTER MIDNIGHT 7.3 6.7 5.7 6.0 5.7 5.7 6.0 5.7 5.3 5.7 5.7 BLUE GEM (NAI-13-9) 8.0 6.3 5.7 5.7 5.3 5.7 5.3 6.0 5.7 6.3 5.7 DLFPS-340/3556 6.7 5.3 5.7 6.0 5.3 5.3 6.0 6.0 5.7 5.3 5.7 NAI-14-128 7.0 5.7 5.7 6.0 4.7 6.0 5.7 6.0 6.0 5.3 5.7 STARR (GO-2628) 7.3 6.3 6.3 6.0 5.3 5.0 5.7 6.3 5.0 5.7 5.7 A12-34 6.3 6.7 5.7 6.0 5.7 5.3 6.0 5.7 5.0 5.3 5.6 A16-17 7.3 6.0 5.7 6.0 5.3 5.3 5.7 6.3 5.7 4.7 5.6 DLFPS-340/3500 7.0 5.7 5.3 6.0 6.0 5.7 5.3 6.0 5.7 5.0 5.6 J-2726 7.3 7.0 6.7 5.7 5.7 5.3 5.3 6.0 5.0 5.3 5.6 KH3492 6.3 6.3 5.7 6.3 5.3 5.7 5.7 5.7 5.3 5.3 5.6 TWILIGHT (NAI-13-132) 7.0 6.0 5.3 6.3 5.7 5.0 5.7 6.0 5.7 5.0 5.6 AKB3241 6.7 6.0 5.0 5.0 5.3 5.3 5.7 6.0 6.0 6.0 5.5 BAR PP 79366 7.3 6.3 5.3 5.7 5.3 5.7 6.0 5.7 5.0 5.3 5.5 J-1138 6.7 6.0 5.3 6.0 6.0 5.7 5.3 5.7 5.0 4.7 5.5 PST-11-7 7.7 5.7 5.0 5.0 5.3 5.7 6.0 6.0 5.7 5.3 5.5 BARVETTE HGT? 7.3 5.7 4.7 6.0 5.0 5.3 6.3 5.7 5.3 4.7 5.4 NURUSH (J-3510) 7.0 5.7 5.0 5.7 6.0 5.3 5.3 5.7 5.3 4.7 5.4 PIVOT 6.3 5.7 5.0 6.3 5.7 5.3 5.0 5.7 5.0 5.3 5.4 PPG-KB 1304 6.7 5.3 5.0 6.0 5.3 5.7 5.3 5.7 5.0 5.0 5.4 PST-K13-141 6.3 5.7 5.7 6.0 5.0 5.3 5.3 5.7 4.7 5.3 5.4 RAD-1776 7.0 6.0 5.3 6.0 5.0 5.0 5.7 5.7 5.3 5.0 5.4 BAR PP 7K426 6.0 5.3 5.3 4.7 4.7 5.3 5.7 6.0 5.3 5.7 5.3 DLFPS-340/3549 7.0 5.3 5.0 5.7 5.0 5.0 5.0 5.7 5.3 5.3 5.3 NK-1 7.3 6.0 5.0 5.7 5.0 5.0 5.7 5.3 5.3 5.0 5.3 A13-1 6.7 5.7 4.7 5.0 5.3 4.7 5.3 6.0 5.0 5.3 5.2 DLFPS-340/3552 7.0 5.7 5.0 5.3 5.0 5.3 5.7 5.7 5.0 4.7 5.2 HEARTLAND (NAI-14-187) 6.7 6.3 4.7 5.0 5.3 5.3 5.7 5.0 5.3 5.0 5.2 A11-40 6.7 5.3 4.7 5.0 5.0 5.0 5.7 5.3 5.0 5.0 5.1 A15-6 7.7 6.0 5.0 5.0 5.0 5.3 5.3 5.7 5.0 4.3 5.1 CLOUD (GO-2425) 7.3 5.7 5.3 5.7 5.0 5.0 5.0 5.7 4.7 4.3 5.1 PALOMA (PST-K13-139) 7.0 5.3 4.3 5.0 5.0 5.3 5.0 5.7 5.0 5.3 5.1 RAD 553 7.3 4.7 4.7 5.3 5.0 5.3 5.0 6.0 5.0 4.7 5.1 SELWAY 7.0 6.0 4.7 5.3 5.0 5.3 5.0 5.3 5.0 5.3 5.1 A11-26 6.7 5.3 4.7 5.3 5.0 5.0 5.0 5.0 4.7 5.0 5.0 DLFPS-340/3550 6.7 5.3 5.0 5.0 5.0 5.0 5.7 5.3 4.7 4.7 5.0 DLFPS-340/3551 7.3 5.0 5.0 5.0 5.0 5.0 4.7 5.7 4.7 5.0 5.0 TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES (SHADE), IA 1/ 2019 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING QUALITY RATINGS NAME COLOR GREENUP APR MAY JUN JUL AUG SEP OCT NOV MEAN DLFPS-340/3553 6.7 5.7 5.0 5.3 5.0 5.0 5.3 5.3 5.0 4.3 5.0 SYRAH (LTP-11-41) 6.7 5.3 4.7 4.7 5.0 5.3 5.3 5.3 5.0 5.0 5.0 PPG-KB 1320 6.7 6.0 5.0 5.0 5.0 4.7 5.3 5.3 5.0 5.0 5.0 PST-K15-172 7.0 5.7 5.0 5.3 4.7 5.0 5.0 5.7 5.0 4.7 5.0 A11-38 6.3 5.0 4.3 4.7 4.7 5.0 5.0 5.3 5.0 5.3 4.9 A16-1 7.3 4.7 4.3 5.0 5.0 5.0 5.0 5.0 5.0 5.0 4.9 AMAZE (NAI-14-133) 7.0 5.3 4.7 5.3 4.3 4.7 5.0 5.3 5.0 4.7 4.9 BABE 6.7 5.7 5.0 4.3 4.7 5.0 5.0 5.3 5.0 5.0 4.9 BAR PP 71213 6.3 4.7 4.3 4.7 5.0 5.0 5.0 5.3 4.7 5.0 4.9 DLFPS-340/3444 7.0 6.0 5.0 4.7 5.0 5.0 4.7 5.3 5.0 4.7 4.9 MIDNIGHT 6.7 6.3 4.7 4.7 5.3 5.0 5.0 5.0 5.0 4.7 4.9 MVS-130 6.7 5.0 4.0 5.0 5.3 5.0 5.0 5.0 5.0 4.7 4.9 PPG-KB 1131 6.7 5.0 4.3 5.0 5.0 5.0 5.3 5.0 4.7 5.0 4.9 PST-K11-118 6.0 5.0 4.3 5.0 5.0 5.0 4.3 5.3 5.0 5.0 4.9 NAI-14-132 7.3 5.0 4.3 4.7 5.0 5.0 5.0 5.3 5.0 5.0 4.9 AKB3179 6.3 5.7 4.3 4.3 5.0 4.7 4.7 5.3 5.3 5.0 4.8 AVIATOR II (NAI-15-84) 6.7 4.7 4.0 4.7 4.7 5.0 4.7 5.3 5.0 5.0 4.8 BARSERATI (BAR PP 110358) 6.3 5.7 4.7 4.3 4.7 4.7 5.0 5.0 5.0 4.7 4.8 COMANCHE (NAI-14-176) 7.3 4.3 4.0 5.0 4.7 4.7 5.3 5.3 5.0 4.3 4.8 DLFPS-340/3438 6.7 5.7 4.7 4.7 4.7 5.0 5.0 5.0 5.0 4.3 4.8 FINISH LINE (NAI-14-178) 6.7 4.7 4.3 4.7 4.7 5.0 5.0 5.3 5.0 4.7 4.8 KENBLUE 6.3 5.3 4.7 5.0 4.7 4.7 5.0 5.0 5.0 4.3 4.8 NAI-14-122 6.7 5.0 4.3 4.7 5.0 4.7 4.7 5.0 5.0 4.7 4.8 PST-K15-167 6.0 5.3 4.7 5.0 4.7 5.0 4.7 5.0 5.0 4.3 4.8 SHAMROCK 7.0 5.0 4.3 4.7 5.0 5.0 4.7 5.3 4.7 5.0 4.8 YELLOWSTONE (A12-7) 7.3 5.0 4.3 4.3 4.7 4.7 5.0 5.7 5.0 4.7 4.8 A16-7 6.0 4.0 4.0 5.0 5.0 5.0 4.7 5.0 4.7 4.0 4.7 BAR PP 7236V 6.0 5.0 4.7 5.7 4.3 4.3 5.0 5.0 4.3 4.3 4.7 DLFPS-340/3548 7.0 4.7 4.3 5.0 4.3 5.0 5.0 5.0 4.7 4.0 4.7 NAI-15-80 7.0 4.0 4.0 4.7 4.7 5.0 4.7 5.3 4.7 4.3 4.7 NEW MOON (PST-K15-177) 7.0 4.3 4.0 5.0 4.3 5.0 5.0 5.0 5.0 4.3 4.7 ORION (PST-K13-143) 6.7 4.7 4.0 4.7 4.7 5.0 5.0 5.0 4.7 4.3 4.7 PROSPERITY 5.7 5.0 4.3 5.0 4.3 4.3 4.3 5.3 4.7 5.0 4.7 PST-T14-39 6.0 5.3 5.3 4.7 4.3 5.0 4.3 4.7 4.7 4.7 4.7 SKYE 6.3 4.3 4.0 4.7 5.0 5.0 5.0 5.0 4.7 4.3 4.7 PST-K15-157 6.0 4.7 4.0 4.7 4.7 5.0 4.7 4.7 5.0 4.3 4.6 BLUE DEVIL 5.3 4.3 4.0 5.0 4.3 4.7 4.7 4.7 4.7 4.3 4.5 BLUE KNIGHT 6.0 4.0 4.0 4.7 4.3 4.7 5.0 4.7 4.3 4.7 4.5 DLFPS-340/3364 6.0 5.3 4.3 5.0 4.3 4.3 4.7 4.7 4.0 4.7 4.5 LSD VALUE 4.4 5.7 4.1 3.2 1.8 2.5 2.8 3.5 2.0 2.7 2.1 C.V. (%) 14.6 22.4 21.7 18.3 13.9 13.0 15.2 15.8 13.1 16.2 12.8 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 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES (SHADE), IA 1/ 2019 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DENSITY RATINGS NAME SPRING SUMMER FALL A06-8 5.7 6.0 5.7 BAR PP 7309V 7.0 5.7 4.7 DLFPS-340/3494 6.0 5.3 4.7 JERSEY (NAI-A16-3) 5.3 5.7 4.3 A10-280 5.3 6.3 4.7 AKB3128 6.3 6.3 4.7 BAR PP 79494 6.7 5.3 4.7 BOMBAY (GO-22B23) 6.7 5.7 4.3 DLFPS-340/3446 6.0 5.7 4.3 DLFPS-340/3455 6.0 5.7 4.0 J-1319 6.3 5.0 4.3 UNITED (NAI-13-14) 5.7 5.7 5.7 A16-2 5.7 5.7 4.7 A99-2897 6.0 5.0 4.3 AFTER MIDNIGHT 5.7 5.7 4.7 BLUE GEM (NAI-13-9) 5.3 5.3 4.3 DLFPS-340/3556 5.7 6.3 5.0 NAI-14-128 5.7 5.3 5.3 STARR (GO-2628) 6.0 5.7 4.0 A12-34 6.3 6.0 4.3 A16-17 6.3 5.3 4.7 DLFPS-340/3500 5.3 5.3 5.7 J-2726 6.0 5.3 4.3 KH3492 6.0 6.0 5.0 TWILIGHT (NAI-13-132) 6.3 5.3 5.3 AKB3241 5.0 5.7 4.7 BAR PP 79366 5.7 5.3 4.0 J-1138 6.0 5.7 4.3 PST-11-7 5.0 5.0 4.0 BARVETTE HGT? 6.3 6.0 4.0 NURUSH (J-3510) 5.7 5.0 4.0 PIVOT 7.0 5.3 4.0 PPG-KB 1304 6.3 5.3 4.0 PST-K13-141 6.0 5.0 4.3 RAD-1776 5.7 5.7 4.3 BAR PP 7K426 5.3 5.3 5.0 DLFPS-340/3549 6.0 4.7 4.3 NK-1 5.7 5.7 4.0 A13-1 5.3 5.0 4.0 DLFPS-340/3552 6.0 5.0 4.0 HEARTLAND (NAI-14-187) 5.0 5.0 4.3 A11-40 5.3 5.0 4.0 A15-6 5.3 5.0 4.7 CLOUD (GO-2425) 5.3 4.7 4.3 PALOMA (PST-K13-139) 5.7 4.7 4.0 RAD 553 6.0 5.0 4.7 SELWAY 5.3 5.0 4.0 A11-26 5.3 5.0 4.0 DLFPS-340/3550 5.3 5.3 4.0 DLFPS-340/3551 6.0 5.0 4.0 TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES (SHADE), IA 1/ 2019 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DENSITY RATINGS NAME SPRING SUMMER FALL DLFPS-340/3553 6.3 5.0 4.0 SYRAH (LTP-11-41) 4.7 4.7 4.0 PPG-KB 1320 5.7 4.7 5.0 PST-K15-172 5.3 5.0 4.0 A11-38 5.0 5.0 4.0 A16-1 5.3 4.7 4.3 AMAZE (NAI-14-133) 5.7 5.0 4.0 BABE 5.3 5.3 4.0 BAR PP 71213 4.7 4.3 4.0 DLFPS-340/3444 4.7 4.7 4.0 MIDNIGHT 5.0 4.0 4.0 MVS-130 5.0 4.3 4.0 PPG-KB 1131 5.3 5.0 4.0 PST-K11-118 6.3 5.0 4.0 NAI-14-132 5.0 4.7 4.0 AKB3179 5.0 4.7 4.3 AVIATOR II (NAI-15-84) 5.3 4.7 4.0 BARSERATI (BAR PP 110358) 5.0 4.3 4.0 COMANCHE (NAI-14-176) 5.7 5.0 4.0 DLFPS-340/3438 5.3 4.3 4.0 FINISH LINE (NAI-14-178) 5.0 5.0 4.0 KENBLUE 5.7 5.0 4.3 NAI-14-122 5.7 4.7 4.0 PST-K15-167 6.0 4.7 4.3 SHAMROCK 4.3 5.0 4.0 YELLOWSTONE (A12-7) 4.7 5.0 4.0 A16-7 6.0 4.7 4.0 BAR PP 7236V 6.3 5.0 4.0 DLFPS-340/3548 5.3 4.7 4.0 NAI-15-80 5.0 5.0 4.0 NEW MOON (PST-K15-177) 5.3 4.7 4.0 ORION (PST-K13-143) 4.7 4.3 4.0 PROSPERITY 5.3 5.0 4.0 PST-T14-39 5.3 4.7 4.0 SKYE 5.0 5.0 4.0 PST-K15-157 5.0 4.7 4.0 BLUE DEVIL 5.7 4.7 4.3 BLUE KNIGHT 5.0 4.3 4.0 DLFPS-340/3364 5.0 5.0 4.0 LSD VALUE 3.7 4.4 3.1 C.V. (%) 16.8 17.8 17.2 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. 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 IA2 SANDY CLAY LOAM 7.1-7.5 0-60 0-150 1.1-2.0 PARTIAL SHADE 2.6-3.0 TO PREVENT DORMANCY