TABLE 10. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER TRAFFIC STRESS AT AMHERST, MA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ WEAR TOLERANCE QUALITY RATINGS NAME MAY JULY OCTOBER APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN DLF-PR-3738 5.3 4.3 4.7 5.3 6.3 7.0 6.7 6.7 6.7 6.3 6.7 5.3 6.3 PPG-PR 664 5.3 4.7 4.7 5.7 6.7 7.0 6.7 7.0 6.3 6.3 6.0 5.3 6.3 PPG-PR 670 5.3 5.0 5.0 5.7 6.7 6.7 6.7 6.7 6.7 6.3 5.7 5.3 6.3 SILETZ 4.3 5.0 4.3 6.3 6.3 6.7 5.7 6.3 6.3 7.0 6.3 6.0 6.3 PPG-PR 662 4.7 4.3 4.7 5.0 7.0 6.7 6.7 6.7 6.3 6.3 5.7 5.7 6.2 HOMERUN 3LS (PPG-PR 644) 4.3 4.7 3.7 5.0 6.3 6.7 6.3 7.0 6.0 6.0 6.0 5.3 6.1 IGNITION (PPG-PR 647) 5.3 4.7 4.3 5.3 6.3 6.3 6.0 6.7 6.3 6.0 6.0 6.0 6.1 LTP-RPP4 4.3 4.3 4.3 6.3 6.0 6.0 6.7 6.0 6.0 6.3 6.0 5.7 6.1 PPG-PR 639 5.0 5.0 4.3 4.7 5.7 6.3 6.3 6.7 6.7 6.3 6.0 6.0 6.1 PPG-PR 663 4.7 5.0 4.3 5.3 7.0 6.7 6.3 6.7 6.7 6.0 5.3 5.3 6.1 SLIDER 2LS (PPG-PR 637) 4.3 4.3 4.3 5.7 6.0 6.3 6.0 6.7 6.3 6.3 6.3 5.3 6.1 SUNDOWN (BY-PS2) 5.0 4.3 4.0 5.3 6.0 7.0 6.3 6.3 6.0 6.3 6.3 5.3 6.1 VORTEX SRT (PPG-PR 665) 4.7 4.7 4.7 5.7 6.7 6.3 6.7 6.7 6.0 6.3 5.3 5.3 6.1 20PR10 4.7 5.0 4.7 6.3 6.0 6.0 6.0 6.3 5.7 6.3 5.7 5.3 6.0 APS 5.0 5.0 5.0 5.7 6.3 6.7 6.0 6.3 6.0 6.0 6.0 5.3 6.0 DLF-PR-3726 5.0 4.7 4.3 5.3 6.7 7.0 6.3 6.3 5.7 6.0 5.3 5.0 6.0 DLF-PR-3736 4.3 5.0 4.3 4.3 6.0 6.3 5.7 7.0 6.7 6.0 6.0 5.7 6.0 ELEKTRA GLR (PPG-PR 671) 5.0 4.7 4.3 5.0 5.7 5.7 6.0 7.0 6.0 6.3 6.0 6.0 6.0 PPG-PR 661 4.7 4.0 4.3 5.7 6.3 6.0 6.3 6.3 6.0 6.3 5.7 5.7 6.0 PPG-PR 666 5.0 5.7 4.7 5.0 5.7 6.7 6.3 6.7 6.0 6.3 5.7 5.7 6.0 PST-2BGL 5.0 5.3 5.0 5.7 6.0 6.0 5.7 6.3 6.0 6.3 5.7 6.0 6.0 ALPHA CENTAURI 4.3 5.0 4.0 5.3 6.0 6.3 5.7 6.3 5.3 6.3 6.0 5.3 5.9 DLF-PR-3730 4.3 5.0 4.3 5.7 5.7 6.0 6.0 6.0 6.0 5.7 5.7 6.0 5.9 DLF-PR-3737 5.3 5.3 5.3 4.7 6.3 6.0 6.0 6.7 5.7 5.7 5.7 6.0 5.9 PERFORMANCE (NAI-PR5) 5.7 5.7 5.3 5.7 6.0 6.3 5.3 5.7 5.7 6.7 5.7 5.7 5.9 PISTON 5.0 4.0 4.7 5.3 6.3 6.0 6.0 6.3 5.7 6.0 5.7 5.3 5.9 PPG-PR 606 5.0 5.3 5.0 4.7 6.0 6.3 6.3 6.7 6.0 5.7 6.0 5.3 5.9 SGP4 4.0 4.7 4.0 5.0 5.3 6.0 6.7 7.0 6.0 6.3 5.3 5.3 5.9 GO-RUS22 4.7 4.7 4.3 5.7 6.0 6.3 5.7 6.0 5.7 5.7 6.0 5.3 5.8 PST-2ADS 4.7 4.3 4.3 5.3 5.7 6.0 6.0 6.3 5.7 6.0 5.7 5.3 5.8 GO-RUS21 4.7 4.7 4.7 5.0 6.0 6.0 6.0 6.3 6.0 5.3 5.7 5.0 5.7 HOMERUN LS 4.7 4.3 4.3 5.0 6.3 5.7 5.7 5.7 5.7 6.3 5.7 5.7 5.7 PPG-PR 602 5.3 4.7 4.3 5.3 5.7 6.3 5.7 6.3 5.7 5.7 5.3 5.0 5.7 PPG-PR 610 5.0 4.7 5.0 5.0 6.0 6.3 5.3 6.0 5.3 6.3 5.3 5.3 5.7 PST-2E6 5.3 4.7 4.3 5.7 6.0 5.7 5.7 6.0 5.7 5.7 5.3 5.3 5.7 PST-2GDS 5.3 5.3 5.0 4.3 6.0 5.7 6.0 6.0 5.3 6.0 5.7 6.0 5.7 PVF-RPP2 5.0 5.0 4.3 6.3 5.7 6.3 5.7 5.7 5.3 5.7 5.7 5.0 5.7 QUASAR 4.0 4.7 3.3 5.7 6.3 6.0 5.3 5.7 5.3 6.0 5.3 5.3 5.7 APPLE 4GL (PPG-PR 658) 4.7 4.0 3.7 5.0 6.3 5.7 6.0 6.0 5.3 5.7 5.7 5.0 5.6 DLF-PR-3728 5.3 5.3 5.7 5.7 6.0 6.0 5.7 5.7 5.3 5.7 5.3 5.3 5.6 PPG-PR 643 5.3 4.7 4.3 5.7 5.7 6.0 5.7 6.0 5.0 6.0 5.7 5.0 5.6 PPG-PR 667 4.7 5.0 4.3 5.0 5.7 6.0 5.7 6.0 5.7 5.7 5.7 5.0 5.6 PPG-PR 668 4.7 4.7 4.0 5.7 5.7 5.7 5.7 6.0 5.7 6.0 5.3 5.0 5.6 PS4 4.7 4.3 4.3 5.3 5.7 5.7 5.3 6.0 5.3 6.3 5.7 4.7 5.6 STINGER (PST-2EGY) 4.7 4.7 4.0 5.0 5.7 6.3 5.7 6.0 5.7 6.0 5.3 5.0 5.6 PST-2MES1 4.7 4.3 4.7 5.3 5.7 5.7 5.7 5.7 5.7 5.7 5.7 5.3 5.6 STELLAR 4GL 5.3 4.3 4.7 6.0 5.3 5.7 5.7 5.7 5.3 5.7 5.7 5.7 5.6 TABLE 10. 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/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ WEAR TOLERANCE QUALITY RATINGS NAME MAY JULY OCTOBER APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN ULTRA SPORT (PST-2HAF20) 5.3 5.3 5.0 5.3 6.3 5.3 6.3 5.7 5.3 5.7 5.7 5.0 5.6 BAR LP 22191 4.3 5.7 4.7 6.0 5.0 6.7 5.7 5.7 5.0 5.0 5.7 5.0 5.5 DLF-PR-3729 4.7 4.0 4.3 5.7 5.7 5.7 5.3 5.7 5.0 6.0 5.7 5.0 5.5 LIGHTSPEED (PST-2DRG) 5.0 5.3 4.7 6.0 5.0 5.7 5.3 5.7 5.3 5.7 5.3 5.3 5.5 PPG-PR 642 4.7 4.0 4.7 5.0 6.3 5.7 5.3 6.0 5.3 5.3 5.3 5.0 5.5 RC20-02O 4.0 4.3 4.3 5.0 5.3 5.7 5.7 6.3 5.7 5.7 5.0 5.0 5.5 RELIC (PPG-PR 611) 4.0 4.7 4.0 5.3 5.3 5.7 5.3 6.0 5.7 5.7 5.7 5.0 5.5 DLF-PR-3727 4.7 5.0 4.7 5.0 5.7 5.3 5.3 5.3 5.7 5.7 5.3 5.3 5.4 FLIGHTLINE (PST-214) 4.7 5.0 4.7 4.7 6.0 5.7 5.3 5.3 5.0 5.3 5.7 5.3 5.4 GRAY EAGLE SLT (PST-2MEG) 5.3 5.0 5.7 5.7 5.7 5.7 5.3 5.3 5.3 5.3 5.3 5.0 5.4 KARMA 5.3 4.7 4.7 5.0 5.3 5.0 5.7 5.7 5.3 5.7 5.7 5.0 5.4 LTP-NR 4.7 3.7 3.7 5.7 5.3 5.7 5.3 5.3 5.0 5.7 5.7 5.3 5.4 PST-2HFM 5.3 5.3 5.3 6.0 5.3 5.3 5.0 5.3 5.3 5.3 5.3 5.3 5.4 BAR LP 22174 4.7 5.3 5.0 5.7 4.7 5.7 5.0 5.7 5.0 5.3 5.3 5.3 5.3 CJP1R 4.0 4.3 4.0 5.3 5.3 5.7 5.3 5.3 5.3 5.3 5.3 4.3 5.3 DLF-PR-3735 4.3 4.7 4.3 5.3 5.3 5.7 5.3 5.3 5.0 5.7 5.3 4.7 5.3 HIGH OCTANE 4.0 3.7 3.7 4.7 5.0 5.3 5.3 5.7 5.7 5.7 5.3 5.3 5.3 PPG-PR 620 4.3 4.0 3.7 4.7 5.7 5.3 5.3 5.3 5.3 5.3 5.3 5.0 5.3 PPG-PR 646 3.7 3.3 3.3 5.7 5.0 5.3 5.0 5.3 5.3 5.3 5.3 5.3 5.3 PVF-SGS5 3.7 4.0 4.0 5.0 5.3 6.3 5.0 5.3 5.0 5.3 5.3 5.3 5.3 RPP3 4.7 4.7 4.7 5.3 5.0 5.3 5.3 5.7 5.3 5.3 5.7 5.0 5.3 BAR LP 22256 6.0 6.0 5.7 4.7 5.7 6.0 5.3 5.3 5.0 5.3 5.0 4.7 5.2 BSG-PR22 5.3 4.7 4.3 5.3 5.7 5.3 5.7 5.0 5.0 5.0 5.0 5.0 5.2 DLF-LGT-3066 4.0 4.3 4.0 5.3 6.0 5.7 5.0 5.0 5.0 5.0 5.0 5.0 5.2 GO-RUS20 4.3 4.3 4.7 4.7 5.0 5.3 5.0 5.3 5.3 5.3 5.3 5.3 5.2 PROMINENT II (TSC-CRS) 4.3 4.3 4.3 5.3 5.7 5.0 5.3 5.3 5.0 5.0 5.0 5.0 5.2 BAR LP 22262 4.7 5.3 5.0 5.0 5.3 5.7 5.3 5.3 5.0 4.7 5.0 5.0 5.1 DARK MATTER 5.3 5.0 5.0 5.0 4.7 5.0 4.7 5.0 5.0 5.7 5.3 4.7 5.0 GREENBACK 5.7 5.7 5.7 5.0 5.0 5.0 5.0 5.3 5.0 5.0 5.0 5.0 5.0 MRSL-PR22 6.0 5.3 5.3 5.0 5.3 4.7 4.7 5.3 5.0 4.7 5.0 5.0 5.0 SEPR-2013 5.3 5.7 5.3 4.3 5.7 5.0 5.0 4.7 5.0 5.0 5.0 5.0 5.0 BAR LP 22263 5.0 5.3 5.7 5.3 4.7 5.0 5.0 5.0 4.0 4.7 5.0 5.0 4.9 BRIGHTSTAR SLT 6.0 5.7 5.3 4.3 4.7 4.7 5.0 5.0 5.0 5.0 5.0 5.0 4.9 NEXUS DK (SE-DK) 4.3 4.3 4.7 5.0 5.3 5.0 4.7 5.0 5.0 4.7 5.0 4.7 4.9 PST-2SPF 4.7 4.7 4.7 5.3 5.0 4.7 5.0 4.7 4.7 5.0 5.0 5.0 4.9 LINN 3.3 3.7 3.0 5.0 3.7 4.7 3.3 3.7 3.0 3.0 4.0 4.0 3.8 LSD VALUE 0.9 0.9 0.9 0.9 0.9 0.9 0.7 0.8 0.7 0.8 1.1 0.8 0.5 C.V. (%) 11.1 11.3 12.1 9.1 9.0 9.2 7.7 8.6 7.8 8.8 9.2 8.0 5.4 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. 2024 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