TABLE 20. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG, VA 1/ 2024 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME MAY JUN JUL AUG SEP OCT MEAN PPG-PR 662 7.3 6.3 6.7 6.7 7.0 6.3 6.7 RELIC (PPG-PR 611) 7.0 6.0 6.3 5.7 8.0 7.0 6.7 PST-2MES1 6.3 5.7 7.3 6.3 7.3 6.3 6.6 PPG-PR 620 6.3 5.3 6.3 6.3 7.7 7.0 6.5 DLF-PR-3727 6.7 5.7 6.3 6.7 7.0 6.3 6.4 DLF-PR-3729 6.7 6.0 6.7 6.0 7.0 6.0 6.4 GRAY EAGLE SLT (PST-2MEG) 6.0 6.0 6.7 6.3 6.7 6.7 6.4 ALPHA CENTAURI 6.7 5.7 6.3 5.7 7.0 6.3 6.3 HOMERUN 3LS (PPG-PR 644) 6.7 6.7 6.7 6.3 6.0 5.3 6.3 PERFORMANCE (NAI-PR5) 6.0 6.0 6.3 6.0 6.7 6.7 6.3 PST-2ADS 6.7 6.3 6.7 6.7 5.7 5.7 6.3 RPP3 7.0 6.3 6.7 5.7 6.3 5.7 6.3 SLIDER 2LS (PPG-PR 637) 7.0 5.7 6.0 6.7 6.7 5.7 6.3 APS 5.7 6.0 6.7 5.7 7.0 6.0 6.2 BAR LP 22174 6.0 5.0 6.0 6.3 7.3 6.7 6.2 GO-RUS22 7.0 6.3 7.0 6.3 5.7 5.0 6.2 LTP-RPP4 7.0 6.3 6.0 6.3 5.7 6.0 6.2 PISTON 7.7 6.0 6.3 6.0 5.7 5.3 6.2 PPG-PR 610 7.0 5.7 6.7 6.0 6.3 5.7 6.2 PST-2BGL 6.3 6.7 5.7 6.0 6.0 6.3 6.2 STINGER (PST-2EGY) 7.0 6.0 5.3 6.3 6.7 5.7 6.2 PST-2GDS 7.3 6.0 5.7 6.3 6.0 5.7 6.2 VORTEX SRT (PPG-PR 665) 6.7 5.7 6.3 6.3 6.0 6.0 6.2 LTP-NR 6.7 6.3 7.0 6.0 5.3 5.0 6.1 PPG-PR 606 5.7 5.7 6.0 6.0 7.0 6.0 6.1 PPG-PR 639 7.0 6.0 6.7 6.0 5.3 5.3 6.1 PPG-PR 643 6.7 5.7 7.0 5.7 6.0 5.7 6.1 PPG-PR 668 7.7 6.0 7.0 5.3 5.0 5.7 6.1 ULTRA SPORT (PST-2HAF20) 7.0 5.3 5.3 6.0 7.0 6.0 6.1 BRIGHTSTAR SLT 6.0 5.0 5.7 6.7 7.0 5.7 6.0 DLF-PR-3726 7.0 5.7 5.7 6.0 6.0 5.7 6.0 DLF-PR-3735 6.7 6.3 5.3 6.0 5.7 6.0 6.0 DLF-PR-3738 6.7 5.7 7.0 6.0 5.0 5.7 6.0 GO-RUS20 7.0 5.7 6.3 5.7 6.0 5.3 6.0 PPG-PR 667 6.3 5.3 7.0 6.0 6.0 5.3 6.0 PPG-PR 670 6.7 6.3 6.7 6.0 5.3 5.0 6.0 SILETZ 6.7 5.7 6.3 6.0 6.0 5.3 6.0 BSG-PR22 6.0 5.0 4.7 6.7 6.3 6.7 5.9 CJP1R 6.7 6.3 7.0 5.7 5.0 5.0 5.9 DARK MATTER 6.7 4.7 5.3 5.7 6.7 6.7 5.9 HIGH OCTANE 7.7 6.0 6.3 5.7 4.7 5.0 5.9 PPG-PR 642 6.3 6.0 6.7 5.3 5.7 5.7 5.9 PROMINENT II (TSC-CRS) 6.0 4.7 5.0 6.3 6.7 7.0 5.9 RC20-02O 6.7 6.3 6.3 6.3 5.0 5.0 5.9 BAR LP 22263 5.3 5.3 6.3 6.7 5.7 5.7 5.8 DLF-PR-3728 6.7 6.3 5.7 5.3 5.3 5.7 5.8 GO-RUS21 6.7 5.7 7.0 5.0 5.3 5.3 5.8 TABLE 20. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG, VA 1/ 2024 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME MAY JUN JUL AUG SEP OCT MEAN PPG-PR 661 6.3 6.0 6.3 5.3 5.0 5.7 5.8 PPG-PR 664 7.0 6.0 7.0 5.0 5.0 5.0 5.8 PS4 7.0 5.3 6.7 5.7 5.3 5.0 5.8 SGP4 7.0 6.0 6.3 5.0 5.3 5.0 5.8 20PR10 6.0 5.3 6.7 5.7 5.7 5.0 5.7 APPLE 4GL (PPG-PR 658) 6.7 4.7 5.7 5.7 6.0 5.3 5.7 BAR LP 22191 5.7 5.0 6.0 6.0 6.0 5.7 5.7 BAR LP 22256 5.3 5.7 5.7 5.3 6.0 6.0 5.7 DLF-LGT-3066 7.0 6.0 6.0 5.7 4.7 5.0 5.7 DLF-PR-3730 6.7 5.3 6.7 5.3 5.0 5.0 5.7 DLF-PR-3736 7.0 5.7 5.7 6.0 4.7 5.0 5.7 KARMA 6.0 5.3 5.0 6.3 5.7 6.0 5.7 NEXUS DK (SE-DK) 5.7 5.0 4.7 6.7 6.0 6.3 5.7 PPG-PR 602 5.7 6.0 6.0 5.3 5.7 5.3 5.7 PST-2E6 5.7 5.0 5.3 5.7 6.3 6.0 5.7 PVF-SGS5 6.7 5.7 6.3 5.7 4.7 5.0 5.7 QUASAR 7.0 5.3 6.0 5.3 5.3 5.3 5.7 SEPR-2013 5.3 5.0 5.3 6.0 6.7 5.7 5.7 BAR LP 22262 6.0 5.3 5.7 5.0 6.0 5.7 5.6 ELEKTRA GLR (PPG-PR 671) 6.0 5.7 6.3 6.0 5.3 4.3 5.6 GREENBACK 6.0 5.3 5.0 6.0 5.7 5.3 5.6 PPG-PR 663 7.3 6.0 6.7 5.0 4.3 4.3 5.6 PST-2HFM 6.0 5.0 6.0 5.7 5.3 5.3 5.6 STELLAR 4GL 6.3 6.7 6.3 5.0 4.7 4.7 5.6 HOMERUN LS 6.0 6.0 5.3 5.7 5.0 5.0 5.5 IGNITION (PPG-PR 647) 6.7 5.3 5.7 5.0 5.0 5.3 5.5 PST-2SPF 6.0 5.0 4.7 6.3 5.3 5.7 5.5 FLIGHTLINE (PST-214) 6.3 4.3 4.3 6.7 6.0 5.0 5.4 LIGHTSPEED (PST-2DRG) 6.0 5.0 5.7 5.3 5.3 5.0 5.4 MRSL-PR22 5.7 5.0 5.3 5.0 5.3 6.0 5.4 PPG-PR 646 7.0 5.7 6.0 5.0 4.3 4.7 5.4 PPG-PR 666 6.7 6.0 6.7 4.7 4.0 4.7 5.4 PVF-RPP2 6.3 5.7 6.3 5.3 4.7 4.3 5.4 DLF-PR-3737 5.7 4.7 5.0 5.3 5.3 5.3 5.2 SUNDOWN (BY-PS2) 6.0 5.3 6.3 5.3 4.0 4.3 5.2 LINN 4.0 4.0 4.0 5.0 4.7 4.3 4.3 LSD VALUE 1.6 2.2 2.4 5.5 4.7 4.2 1.7 C.V. (%) 11.8 14.2 16.1 17.9 23.7 19.5 9.5 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 VA1 SILT LOAM AND SILT 6.1-6.5 0-60 0-150 2.1-3.0 FULL SUN 2.1-2.5 ONLY DURING SEVERE STRESS