TABLE 3. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES, IA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC PERCENT QUALITY RATINGS NAME COLOR ESTABLISHMENT MAY JUN JUL AUG SEP OCT MEAN LTP-11-41 7.0 53.3 5.0 8.3 8.0 8.3 7.7 9.0 7.7 BARVETTE HGT? 7.3 46.7 5.3 7.0 7.3 8.0 7.3 7.7 7.1 A16-2 6.3 50.0 5.3 6.7 6.3 7.7 7.3 8.0 6.9 A16-17 6.7 43.3 5.3 7.0 7.3 6.7 6.7 7.7 6.8 J-1319 7.0 33.3 4.3 6.0 7.3 8.0 6.7 8.3 6.8 A11-26 7.3 36.7 5.3 6.3 7.7 6.7 6.7 7.3 6.7 NAI-14-176 7.3 43.3 4.3 6.3 7.7 7.7 7.0 7.0 6.7 ORION (PST-K13-143) 7.0 50.0 4.3 6.7 7.7 6.7 7.0 8.0 6.7 BAR PP 7309V 5.0 50.0 5.3 7.7 6.3 7.0 6.7 6.7 6.6 DLFPS-340/3552 6.3 33.3 4.7 6.7 7.7 6.7 7.0 6.3 6.5 AKB3179 6.0 43.3 4.0 7.0 6.3 7.0 6.7 7.7 6.4 GO-2628 7.0 28.3 4.3 7.0 6.3 6.7 6.3 7.7 6.4 KENBLUE 7.0 36.7 5.0 6.7 7.0 7.7 6.3 6.0 6.4 BARSERATI (BAR PP 110358) 7.0 50.0 4.3 6.0 7.0 7.0 6.7 6.7 6.3 DLFPS-340/3494 6.7 33.3 5.3 6.3 7.0 6.7 6.3 6.0 6.3 DLFPS-340/3551 6.7 43.3 4.3 7.0 7.3 6.3 6.3 6.3 6.3 DLFPS-340/3556 6.3 25.0 3.7 6.3 7.3 7.0 6.0 7.3 6.3 PPG-KB 1304 7.0 33.3 4.3 6.3 7.0 7.0 6.7 6.3 6.3 DLFPS-340/3455 5.7 40.0 4.0 6.7 6.3 6.3 6.7 7.0 6.2 J-3510 6.0 30.0 4.3 6.3 6.3 6.0 6.3 7.7 6.2 KH3492 6.7 50.0 4.3 6.0 6.0 7.0 6.7 7.3 6.2 PST-K15-172 7.3 36.7 3.3 5.7 7.0 7.3 6.3 7.3 6.2 SELWAY 6.3 33.3 4.3 6.0 7.0 7.0 6.3 6.0 6.1 YELLOWSTONE (A12-7) 5.7 33.3 3.7 5.7 6.3 6.3 6.7 7.7 6.1 A15-6 7.0 40.0 4.0 6.0 7.0 6.3 6.3 7.0 6.1 BAR PP 7K426 6.3 40.0 4.3 6.7 6.7 6.0 6.0 6.7 6.1 MIDNIGHT 6.0 28.3 3.3 5.7 6.7 7.3 5.7 8.0 6.1 NAI-A16-3 5.3 46.7 4.7 6.7 6.3 6.3 6.0 6.7 6.1 PST-K13-141 5.3 40.0 5.0 7.0 6.7 6.3 5.0 6.7 6.1 PST-T14-39 7.0 33.3 4.0 5.3 7.3 6.7 6.0 7.0 6.1 A16-1 6.0 35.0 4.3 5.7 6.3 5.7 6.3 7.3 5.9 BAR PP 71213 6.3 53.3 4.7 6.3 6.7 6.0 5.7 6.0 5.9 BAR PP 79494 6.0 43.3 3.0 6.0 6.3 6.7 6.0 7.3 5.9 J-1138 6.3 33.3 4.7 5.7 6.7 5.7 6.0 7.0 5.9 NAI-13-14 6.0 30.0 3.7 5.3 7.0 6.0 6.0 7.7 5.9 NAI-14-132 7.3 26.7 3.0 5.7 7.0 6.0 6.3 7.3 5.9 PST-K11-118 6.7 33.3 3.3 5.7 6.3 7.0 6.3 6.7 5.9 BABE 5.7 40.0 4.0 6.7 6.3 6.0 6.0 6.0 5.8 DLFPS-340/3550 6.3 36.7 3.7 5.3 6.0 6.0 6.7 7.0 5.8 NAI-14-128 7.0 23.3 3.7 4.7 6.3 6.7 6.3 7.0 5.8 A11-40 6.0 33.3 4.0 6.0 6.3 6.0 6.0 6.0 5.7 A06-8 6.0 18.3 2.7 6.7 6.7 6.3 5.0 6.7 5.7 A10-280 6.0 23.3 3.7 5.3 5.7 6.3 6.0 7.3 5.7 AKB3241 6.7 30.0 2.7 5.3 6.7 7.0 5.3 7.0 5.7 J-2726 5.7 33.3 4.0 6.3 7.0 5.3 5.3 6.3 5.7 PROSPERITY 6.3 36.7 5.3 5.7 5.3 5.7 5.3 6.7 5.7 PST-11-7 6.7 36.7 4.3 5.7 6.3 6.3 5.7 6.0 5.7 PST-K13-139 7.3 33.3 4.0 6.0 6.3 6.0 5.3 6.3 5.7 GO-2425 6.3 33.3 4.0 5.7 6.0 6.3 5.3 6.0 5.6 NAI-13-9 6.0 30.0 3.3 6.0 6.3 6.0 5.7 6.3 5.6 TABLE 3. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF KENTUCKY BLUEGRASS CULTIVARS IN THE (CONT'D) 2017 NATIONAL KENTUCKY BLUEGRASS TEST AT AMES, IA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC PERCENT NAME COLOR ESTABLISHMENT MAY JUN JUL AUG SEP OCT MEAN PPG-KB 1131 5.7 33.3 3.7 5.7 6.3 6.0 6.0 6.0 5.6 PPG-KB 1320 6.0 40.0 3.3 6.0 6.7 5.7 5.3 6.3 5.6 SHAMROCK 6.3 30.0 4.0 5.7 6.3 6.0 5.7 6.0 5.6 BAR PP 7236V 6.0 46.7 5.3 5.7 5.7 5.7 5.3 5.3 5.5 BAR PP 79366 5.3 31.7 3.7 6.0 6.3 5.3 5.3 6.3 5.5 DLFPS-340/3553 5.7 50.0 3.0 5.7 6.0 6.3 5.7 6.3 5.5 RAD-1776 5.7 33.3 4.0 6.0 5.7 6.3 5.3 5.7 5.5 A16-7 6.0 40.0 3.0 5.3 6.3 6.3 5.3 6.3 5.4 DLFPS-340/3500 6.0 31.7 4.0 6.0 5.7 5.7 4.7 6.7 5.4 NAI-14-133 6.7 23.3 3.0 5.0 7.0 6.7 5.3 5.3 5.4 PIVOT 6.3 30.0 3.7 5.3 6.0 5.7 6.0 5.7 5.4 PST-K15-177 7.3 30.0 3.7 4.7 5.7 5.7 6.0 6.7 5.4 DLFPS-340/3444 5.3 25.0 3.7 5.3 5.3 5.7 6.0 6.0 5.3 NAI-15-80 6.0 16.7 3.0 5.3 5.7 5.3 5.7 7.0 5.3 NK-1 5.0 40.0 3.3 5.7 5.7 5.7 5.3 6.0 5.3 PST-K15-167 5.7 28.3 3.7 5.7 6.7 5.3 5.3 5.3 5.3 SKYE 5.3 33.3 3.7 5.3 5.3 5.0 5.7 7.0 5.3 A99-2897 6.0 23.3 3.0 5.3 6.0 5.3 5.7 6.0 5.2 AKB3128 5.7 26.7 3.7 5.7 5.7 4.7 5.3 6.3 5.2 RAD 553 6.7 36.7 4.0 5.0 6.0 6.0 5.0 5.3 5.2 DLFPS-340/3549 5.3 40.0 3.3 5.0 5.7 5.7 5.7 6.0 5.2 NAI-14-187 7.0 23.3 2.7 5.0 5.7 5.7 5.7 6.3 5.2 PST-K15-157 6.7 26.7 2.0 5.3 6.0 6.3 5.3 6.3 5.2 A11-38 5.3 23.3 3.7 5.7 5.7 5.0 5.0 5.3 5.1 DLFPS-340/3438 6.0 30.0 3.0 5.0 5.7 5.3 5.0 6.3 5.1 GO-22B23 5.3 26.7 3.3 5.7 6.0 5.7 4.3 5.3 5.1 NAI-14-178 5.3 21.7 3.0 5.0 5.7 5.0 5.7 6.3 5.1 NAI-15-84 6.7 30.0 3.0 5.0 6.3 6.0 5.3 4.7 5.1 A12-34 5.0 26.7 2.7 5.3 5.7 5.3 5.3 5.7 5.0 BLUE KNIGHT 5.0 36.7 4.7 6.7 6.0 4.3 3.7 4.3 4.9 BLUE DEVIL 5.3 23.3 3.0 5.3 5.7 4.7 5.0 6.0 4.9 DLFPS-340/3548 6.3 43.3 3.7 5.0 5.7 5.3 4.3 5.7 4.9 NAI-13-132 6.0 21.7 2.7 4.7 6.0 5.3 4.7 6.3 4.9 A13-1 6.0 23.3 3.3 4.7 5.3 5.3 4.7 5.3 4.8 MVS-130 6.0 16.7 2.3 4.3 5.7 5.7 5.0 6.0 4.8 NAI-14-122 7.0 20.0 2.3 5.0 6.0 5.0 4.7 5.3 4.7 AFTER MIDNIGHT 6.0 40.0 3.3 5.0 5.3 4.3 4.3 5.0 4.6 DLFPS-340/3364 5.3 15.0 3.7 4.3 5.0 5.3 4.7 4.7 4.6 DLFPS-340/3446 5.3 33.3 3.0 5.0 5.0 4.0 4.7 4.7 4.4 LSD VALUE 1.6 22.4 2.2 1.9 2.0 3.2 2.8 3.6 1.7 C.V. (%) 12.8 32.2 26.6 15.9 13.9 19.8 18.9 20.1 14.0 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 IA1 SANDY CLAY LOAM 7.1-7.5 0-60 0-150 2.1-3.0 FULL SUN 2.6-3.0 TO PREVENT DORMANCY