TABLE 9. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT WEAR TOLERANCE RATINGS QUALITY RATINGS NAME ESTABLISHMENT MAY JULY OCTOBER APR MAY JUN JUL AUG SEP OCT NOV MEAN BY-PS2 50.0 5.3 5.7 5.7 6.3 6.3 6.7 6.7 6.3 6.0 6.7 6.0 6.4 LTP-RPP4 56.7 5.3 5.3 5.0 6.3 5.7 6.0 6.3 6.7 7.0 6.7 5.7 6.3 PPG-PR 662 56.7 5.3 5.3 4.7 6.7 6.7 6.7 5.7 6.7 6.3 6.3 5.7 6.3 PVF-RPP2 53.3 5.3 5.7 5.3 6.0 6.3 6.3 7.0 5.7 6.0 6.0 6.0 6.2 APS 50.0 5.3 5.3 5.0 6.3 5.7 6.3 6.3 6.7 6.3 6.3 5.3 6.2 PPG-PR 606 53.3 6.3 6.0 5.7 6.3 6.0 6.3 5.7 6.3 6.3 6.7 6.0 6.2 PPG-PR 647 46.7 5.7 5.3 5.7 6.0 6.0 6.0 6.3 6.3 6.7 6.0 6.0 6.2 PPG-PR 661 60.0 5.7 5.3 5.0 6.0 5.7 6.3 6.7 6.7 6.0 6.3 6.0 6.2 PPG-PR 664 56.7 6.0 5.3 5.3 7.0 6.3 6.7 6.0 6.3 5.7 6.0 5.3 6.2 SILETZ 63.3 5.3 4.7 5.0 6.3 6.7 5.7 6.7 6.3 6.0 6.0 5.3 6.1 PPG-PR 644 50.0 4.7 5.3 5.0 6.7 6.3 6.0 6.0 6.0 6.0 6.3 5.3 6.1 PST-2ADS 53.3 5.0 4.7 4.7 6.0 6.0 7.0 6.0 6.3 6.0 6.3 5.0 6.1 LTP-NR 53.3 5.0 5.3 5.0 6.7 6.3 6.3 6.3 5.3 5.7 5.7 5.3 6.0 STELLAR 4GL 53.3 5.0 4.7 4.7 6.0 6.0 5.7 6.0 6.0 6.0 6.0 6.0 6.0 BSG-PR22 63.3 5.3 5.7 5.7 6.3 5.7 6.0 6.0 6.0 6.3 6.0 6.0 6.0 ELEKTRA GLR (PPG-PR 671) 56.7 5.0 5.0 4.7 6.0 6.0 6.3 5.7 6.0 6.3 6.0 5.3 6.0 PPG-PR 637 43.3 5.3 4.7 5.0 5.7 5.7 6.7 6.0 6.3 6.3 6.7 5.0 6.0 PPG-PR 643 60.0 5.7 5.0 5.3 6.3 6.0 6.0 6.3 6.0 6.3 6.0 5.3 6.0 PPG-PR 663 53.3 5.7 5.0 5.0 6.7 6.3 6.3 6.3 6.0 6.0 5.7 5.0 6.0 PPG-PR 670 46.7 5.3 5.0 5.0 6.7 6.0 6.0 6.0 6.7 6.0 6.0 5.0 6.0 PVF-SGS5 50.0 4.7 4.7 4.3 6.7 6.3 6.3 5.7 5.7 5.3 6.3 5.3 6.0 SE-DK 66.7 4.7 4.3 4.7 6.7 5.7 6.7 6.3 5.3 5.7 5.7 6.0 6.0 BAR LP 22191 56.7 4.0 3.7 4.0 6.3 6.7 6.0 5.3 5.7 6.3 5.7 5.3 5.9 DLF-PR-3726 56.7 5.0 5.0 4.7 6.0 6.0 5.3 5.3 6.0 6.7 6.7 5.0 5.9 GO-RUS21 63.3 5.0 4.3 4.3 6.3 6.3 6.0 6.0 6.0 6.0 5.7 5.0 5.9 NAI-PR5 60.0 6.0 5.0 5.7 5.7 6.0 6.0 6.7 5.7 5.7 5.7 5.7 5.9 PPG-PR 665 46.7 4.7 5.0 4.7 6.0 5.7 6.0 5.7 6.3 6.0 6.3 5.3 5.9 PST-2EGY 60.0 4.7 5.0 4.7 6.0 6.0 6.0 6.3 5.3 6.3 6.0 5.3 5.9 GREENBACK 66.7 5.0 5.3 5.3 6.0 5.7 5.7 6.0 5.7 5.7 6.3 5.7 5.8 20PR10 63.3 5.3 5.3 5.3 6.3 6.3 5.7 6.0 6.0 5.7 6.0 4.7 5.8 DLF-PR-3728 50.0 6.0 5.7 5.7 6.0 5.7 5.7 5.3 5.7 6.3 6.3 5.7 5.8 PISTON 46.7 5.3 5.3 4.7 5.7 5.3 5.7 6.0 6.3 6.0 6.0 5.3 5.8 PPG-PR 610 53.3 5.7 5.3 4.3 6.0 5.7 5.0 6.0 6.0 6.3 6.0 5.0 5.8 PPG-PR 666 53.3 5.3 5.7 5.3 6.7 6.0 5.7 5.3 6.3 5.7 5.7 5.3 5.8 PPG-PR 668 56.7 4.7 4.0 4.7 6.3 6.3 6.0 5.7 5.7 5.7 6.0 5.0 5.8 PS4 46.7 5.0 4.7 5.0 6.0 5.7 5.3 5.7 5.7 6.3 6.3 5.0 5.8 SGP4 60.0 4.7 4.3 4.7 5.7 6.0 5.7 5.7 5.7 6.0 6.7 5.3 5.8 DLF-PR-3730 46.7 5.0 4.3 5.0 5.7 5.3 6.0 6.0 5.7 5.7 6.0 5.0 5.7 DLF-PR-3736 50.0 5.0 5.0 5.0 5.7 5.7 6.0 5.3 6.0 6.3 5.7 5.0 5.7 DLF-PR-3738 46.7 4.7 4.7 4.7 5.3 5.3 5.7 5.7 6.3 5.7 6.0 5.3 5.7 GO-RUS22 63.3 5.3 5.3 5.0 5.7 6.0 6.0 5.7 5.3 5.7 5.3 5.7 5.7 PPG-PR 639 53.3 5.7 6.0 5.3 6.3 5.3 5.7 5.3 6.0 5.3 6.0 5.3 5.7 PPG-PR 642 43.3 4.0 5.0 4.3 5.7 5.7 6.0 5.7 5.7 5.3 6.3 5.3 5.7 QUASAR 53.3 4.3 4.3 4.7 5.7 5.7 5.3 6.0 5.3 6.0 6.3 5.0 5.7 ULTRA SPORT (PST-2HAF20) 56.7 5.3 5.3 5.7 5.7 5.7 5.7 5.7 5.7 5.3 6.7 5.3 5.7 ALPHA CENTAURI 43.3 6.0 5.3 5.7 6.3 5.3 5.7 5.7 5.7 5.3 5.7 5.3 5.6 DLF-PR-3729 43.3 4.0 4.3 4.0 6.0 5.7 6.0 6.0 5.7 5.3 5.3 5.0 5.6 TABLE 9. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT WEAR TOLERANCE RATINGS QUALITY RATINGS NAME ESTABLISHMENT MAY JULY OCTOBER APR MAY JUN JUL AUG SEP OCT NOV MEAN MRSL-PR22 63.3 6.0 5.7 4.7 5.7 5.7 5.3 6.0 6.0 5.3 5.0 5.7 5.6 PPG-PR 602 46.7 5.0 5.3 5.3 5.3 5.7 5.7 5.3 5.7 5.7 6.0 5.3 5.6 PPG-PR 667 50.0 6.0 5.3 5.7 6.0 5.7 6.0 5.7 5.3 5.7 5.3 5.0 5.6 PST-214 53.3 5.7 5.3 5.3 6.0 5.7 6.0 5.7 5.7 5.3 5.7 5.0 5.6 PST-2GDS 53.3 5.3 5.0 5.0 6.0 5.7 5.7 5.7 5.7 5.7 5.3 5.3 5.6 BAR LP 22174 56.7 4.3 4.3 4.0 6.0 5.3 5.7 5.3 5.3 5.7 5.7 4.7 5.5 DLF-PR-3735 46.7 5.0 5.0 5.0 5.3 5.0 5.3 6.0 5.7 5.3 5.7 5.3 5.5 GRAY EAGLE SLT (PST-2MEG) 50.0 4.7 5.0 4.7 5.7 5.3 5.3 5.3 5.3 6.0 5.3 6.0 5.5 KARMA 43.3 5.3 4.7 4.7 5.7 5.3 5.3 5.0 6.3 5.7 5.3 5.0 5.5 PPG-PR 646 43.3 4.3 5.0 4.0 5.7 5.3 5.3 5.7 5.0 5.3 6.3 5.7 5.5 PPG-PR 658 46.7 5.3 5.3 5.3 5.7 5.3 5.3 5.0 6.3 6.0 5.7 5.0 5.5 PST-2BGL 40.0 5.7 5.7 5.7 5.3 5.3 5.0 5.7 5.7 6.0 5.3 5.3 5.5 PST-2E6 46.7 4.3 5.0 4.7 5.3 5.3 5.3 6.0 6.3 5.0 5.3 5.3 5.5 PST-2MES1 53.3 5.0 4.7 5.0 5.7 5.3 5.3 5.0 5.7 6.0 6.0 5.3 5.5 TSC-CRS 60.0 5.0 5.0 5.3 6.3 5.0 5.7 5.7 5.3 5.3 5.0 6.0 5.5 HOMERUN LS 53.3 4.3 4.0 4.0 5.3 5.3 5.0 5.7 5.7 5.3 5.3 5.3 5.4 BAR LP 22262 53.3 5.0 4.7 4.3 6.3 6.0 5.3 5.0 5.3 5.3 5.3 4.3 5.4 DARK MATTER 53.3 5.0 5.7 4.7 5.3 5.3 5.3 5.0 5.3 6.0 5.7 5.3 5.4 HIGH OCTANE 53.3 4.3 4.0 4.3 5.3 5.0 5.0 5.3 5.3 5.7 6.0 5.3 5.4 PPG-PR 611 46.7 5.0 5.3 5.0 5.3 5.3 5.7 5.3 5.3 5.3 5.3 5.3 5.4 PST-2HFM 40.0 5.3 5.7 5.3 6.0 5.3 5.7 5.3 5.0 5.3 5.0 5.7 5.4 RPP3 50.0 4.3 4.3 4.7 5.0 4.7 4.7 5.0 5.7 6.3 6.0 5.7 5.4 RC20-02O 53.3 5.0 5.0 5.0 5.7 4.7 4.7 5.0 6.3 5.3 5.7 5.0 5.3 BAR LP 22256 36.7 4.7 5.0 4.7 5.3 5.3 5.3 5.0 5.3 5.3 5.7 4.7 5.3 CJP1R 46.7 4.0 4.0 4.0 5.0 5.0 5.3 5.7 5.7 5.3 5.3 5.0 5.3 DLF-PR-3727 53.3 5.0 5.0 4.7 5.3 5.3 5.3 5.7 5.3 5.3 5.7 4.7 5.3 DLF-PR-3737 43.3 5.0 5.7 5.0 5.7 4.7 5.0 5.3 5.7 5.7 5.7 4.7 5.3 GO-RUS20 56.7 4.3 4.0 4.0 5.7 5.7 5.3 5.7 5.3 5.3 5.3 4.3 5.3 PST-2DRG 53.3 4.7 4.7 5.0 5.3 5.3 5.3 5.0 5.0 5.3 5.3 5.7 5.3 BAR LP 22263 50.0 5.0 4.3 4.3 6.3 5.0 5.3 5.0 5.0 5.3 5.0 4.3 5.2 PPG-PR 620 36.7 4.7 4.0 4.7 5.0 4.7 5.0 4.7 5.0 5.3 5.3 5.3 5.0 SEPR-2013 46.7 4.7 5.0 5.3 5.3 4.7 4.7 4.7 5.0 5.3 4.7 5.3 5.0 DLF-LGT-3066 43.3 3.0 3.3 3.0 4.7 5.0 4.7 5.0 5.0 4.7 4.7 5.0 4.8 BRIGHTSTAR SLT 46.7 5.0 4.0 4.7 5.0 4.7 5.0 4.7 4.3 5.0 4.7 4.3 4.7 PST-2SPF 36.7 3.7 3.7 3.7 5.3 4.0 4.0 4.0 4.7 4.7 4.7 4.3 4.5 LINN 66.7 2.7 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 3.0 LSD VALUE 8.1 1.1 0.9 0.9 0.9 0.8 0.8 0.9 0.8 1.1 0.9 0.8 0.5 C.V. (%) 9.9 12.5 10.9 10.5 9.4 9.2 8.7 9.9 8.9 10.2 9.6 8.7 5.8 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 A. 2023 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2022 NATIONAL PERENNIAL RYEGRASS 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 MA1 SILT LOAM AND SILT 5.6-6.0 61-150 151-240 2.1-3.0 FULL SUN 1.6-2.0 TO PREVENT STRESS