TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF BENTGRASS CULTIVARS IN THE 2020 NATIONAL BENTGRASS (FAIRWAY) TEST AT AMES, IA 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING SPRING SUMMER FALL PERCENT GROUND COVER QUALITY RATINGS NAME COLOR GREENUP DENSITY DENSITY DENSITY SPRING SUMMER FALL APR MAY JUN JUL AUG SEP OCT NOV MEAN PST-0MRN 7.3 4.7 8.3 9.0 9 89.3 99 94.0 5.7 6.7 6.7 7.3 6.0 6.0 7.3 6.0 6.5 PST-0R2O 5.7 4.0 8.3 9.0 9 91.0 99 87.7 6.3 6.7 6.0 6.3 6.3 6.0 7.7 6.0 6.4 BARRACUDA 4.3 4.0 8.3 9.0 9 91.7 99 95.3 6.3 6.0 6.3 6.7 6.0 6.0 7.3 6.0 6.3 CHINOOK (H10G-OP) 4.3 4.3 9.0 9.0 9 92.0 99 96.0 5.7 6.3 6.0 7.0 6.0 6.0 7.3 6.0 6.3 PENNCROSS 7.0 5.7 6.0 8.3 9 78.0 99 83.0 5.3 6.0 6.3 7.0 6.0 6.0 7.3 6.0 6.3 PVF-PV-2 4.3 3.3 9.0 9.0 9 93.7 99 98.3 6.0 6.3 6.0 6.7 6.0 6.0 7.7 6.0 6.3 007XL 3.7 3.0 9.0 9.0 9 94.3 99 96.3 6.3 6.3 6.3 5.7 6.0 6.0 7.0 6.0 6.2 DLF-AP-3084 4.3 2.3 8.3 9.0 9 96.0 99 89.7 6.0 6.3 6.0 6.3 6.0 5.7 7.3 6.0 6.2 MATCH PLAY 3.3 3.3 9.0 9.0 9 94.0 99 96.3 6.3 6.0 6.0 6.0 6.0 6.0 7.0 6.0 6.2 PIPER (PPG-AP-MTV2) 3.3 1.7 9.0 9.0 9 96.7 99 98.7 5.7 6.0 6.3 6.3 6.0 6.0 7.3 6.0 6.2 PST-R0DS 6.7 6.3 8.0 9.0 9 84.0 99 89.7 6.3 6.3 6.0 6.3 6.3 5.0 7.3 5.7 6.2 PVF-PV-1 3.7 2.7 8.7 9.0 9 94.7 99 97.3 5.7 6.3 6.0 6.3 6.0 5.7 7.7 5.7 6.2 SPECTRUM (LNS 19) 3.3 1.0 9.0 9.0 9 96.7 99 96.7 6.3 5.7 6.3 6.7 6.0 5.7 8.0 6.0 6.2 TOURPRO 4.3 3.0 8.7 9.0 9 95.0 99 92.3 5.7 6.0 6.3 6.7 6.0 5.7 7.3 6.0 6.2 MUSKET 1.7 4.7 8.7 9.0 9 81.3 99 89.0 5.7 6.0 5.7 6.0 6.0 6.0 7.3 6.0 6.1 OAKLEY (PPG-AP-MTV1) 4.0 3.7 8.7 9.0 9 94.7 99 93.0 6.0 6.0 6.0 6.0 6.0 5.7 7.3 6.0 6.1 PIRANHA 5.3 3.7 8.3 8.7 9 93.3 99 91.3 6.3 6.0 6.0 6.0 5.7 5.7 7.3 6.0 6.1 S1 3.7 3.3 8.7 8.7 9 94.0 99 98.3 6.0 6.0 6.0 6.0 6.0 5.7 7.3 6.0 6.1 SHARK 4.3 3.7 8.3 9.0 9 88.7 99 82.0 5.7 6.0 6.3 6.0 5.7 6.0 7.0 5.7 6.0 LSD VALUE 1.6 2.7 2.0 0.5 0 13.3 0 23.0 1.8 1.7 1.0 1.7 0.7 0.9 1.8 0.6 0.6 C.V. (%) 21.9 38.0 10.2 2.5 0 6.8 0 8.8 10.0 8.5 6.1 10.2 4.2 6.2 7.0 3.6 3.1 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. 2023 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2020 NATIONAL BENTGRASS (FAIRWAY/TEE) 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 0.0-0.5 TO PREVENT DORMANCY