TABLE 19. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG, VA 1/ 2023 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS NAME APR MAY JUN JUL AUG SEP OCT MEAN PPG-PR 663 7.7 8.0 7.0 7.3 6.7 7.7 7.3 7.4 PPG-PR 665 7.7 8.0 6.7 8.0 6.3 7.3 8.0 7.4 LTP-RPP4 8.0 8.0 7.0 7.3 6.3 7.0 7.3 7.3 PPG-PR 664 7.7 8.0 7.0 7.3 6.7 7.3 7.0 7.3 PPG-PR 666 8.0 7.7 6.3 7.7 6.3 7.0 8.0 7.3 LTP-NR 8.0 7.7 6.7 7.0 6.7 6.3 8.0 7.2 PPG-PR 610 8.0 7.7 6.7 7.0 6.7 7.0 7.7 7.2 PPG-PR 642 7.7 7.7 6.7 6.7 6.3 7.3 8.0 7.2 DLF-PR-3730 8.0 7.3 6.7 7.0 6.0 7.3 7.7 7.1 ELEKTRA GLR (PPG-PR 671) 7.7 8.0 6.3 6.3 6.3 7.0 8.0 7.1 GO-RUS21 7.7 7.7 6.7 6.7 6.7 6.7 7.7 7.1 GRAY EAGLE SLT (PST-2MEG) 8.0 7.3 7.3 6.3 6.0 7.0 7.7 7.1 PPG-PR 620 7.7 8.0 6.7 6.7 6.3 7.0 7.7 7.1 PPG-PR 639 8.0 8.0 6.7 6.7 6.0 6.7 8.0 7.1 PPG-PR 643 8.0 7.0 6.7 7.7 6.3 6.3 8.0 7.1 PPG-PR 667 7.3 8.0 6.7 7.3 6.3 6.7 7.7 7.1 PPG-PR 670 8.0 8.0 6.7 6.3 6.3 6.3 8.0 7.1 20PR10 7.7 8.0 6.3 7.0 5.7 6.3 7.7 7.0 ALPHA CENTAURI 8.0 7.7 6.0 7.3 6.0 6.7 7.3 7.0 APS 8.0 7.7 6.0 6.7 6.0 6.3 8.0 7.0 DLF-PR-3728 8.0 7.0 6.7 7.0 7.0 6.0 7.7 7.0 DLF-PR-3735 7.7 7.7 6.7 7.0 6.7 6.7 7.0 7.0 DLF-PR-3736 8.0 8.0 6.7 6.3 6.3 6.3 7.0 7.0 DLF-PR-3738 8.0 7.0 6.3 7.3 6.7 6.3 7.3 7.0 GO-RUS22 8.0 7.7 7.0 6.7 5.7 7.0 7.3 7.0 PISTON 7.7 7.7 6.0 6.7 6.3 6.3 8.0 7.0 PPG-PR 606 8.0 8.0 6.3 6.7 6.3 6.3 7.0 7.0 PPG-PR 611 8.0 8.0 6.7 6.7 5.7 6.7 7.7 7.0 PPG-PR 644 8.0 7.7 6.7 6.3 6.0 6.3 7.7 7.0 PPG-PR 661 8.0 8.0 6.3 6.3 6.3 6.7 7.0 7.0 PPG-PR 662 7.7 8.0 6.7 7.0 5.3 7.0 7.7 7.0 PST-2ADS 8.0 7.0 6.7 6.7 6.7 6.3 8.0 7.0 PST-2BGL 8.0 7.7 6.3 7.0 6.7 6.3 7.0 7.0 PST-2MES1 8.0 7.7 6.3 7.0 6.0 7.0 7.3 7.0 SILETZ 8.0 7.7 6.0 6.7 6.3 6.7 7.3 7.0 ULTRA SPORT (PST-2HAF20) 7.7 8.0 7.0 6.7 5.7 6.3 7.3 7.0 DLF-PR-3729 8.0 7.3 6.3 6.3 6.0 6.0 8.0 6.9 PPG-PR 637 7.7 7.3 6.3 6.3 6.0 7.0 7.7 6.9 PS4 7.7 7.7 6.3 6.3 6.3 6.3 7.7 6.9 PST-2DRG 8.0 8.0 6.3 6.0 6.3 6.3 7.3 6.9 PST-2EGY 8.0 7.3 6.3 6.0 6.3 6.7 7.3 6.9 PST-2GDS 7.7 7.7 6.7 6.3 6.0 6.7 7.3 6.9 PVF-SGS5 7.3 7.3 6.3 6.3 6.7 6.7 7.7 6.9 SGP4 7.7 7.3 6.3 7.3 6.0 6.0 7.3 6.9 STELLAR 4GL 8.0 7.3 6.7 6.3 6.0 6.3 7.3 6.9 BSG-PR22 8.0 6.0 7.0 6.3 6.3 7.0 7.0 6.8 BY-PS2 8.0 7.7 6.3 6.3 5.7 6.3 7.3 6.8 TABLE 19. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG, VA 1/ 2023 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS NAME APR MAY JUN JUL AUG SEP OCT MEAN CJP1R 8.0 7.0 6.3 6.7 6.3 6.3 7.0 6.8 DLF-PR-3727 8.0 6.3 7.3 6.7 6.0 6.3 7.0 6.8 HOMERUN LS 8.0 7.7 7.0 6.3 5.3 5.3 7.7 6.8 PPG-PR 647 7.7 7.3 6.3 6.7 5.7 6.7 7.0 6.8 PPG-PR 668 7.7 7.7 6.7 6.7 6.0 5.7 7.3 6.8 BAR LP 22191 8.0 7.3 6.0 6.7 5.7 6.0 7.0 6.7 NAI-PR5 8.0 7.0 6.3 6.7 5.7 5.7 7.7 6.7 PST-2E6 8.0 6.7 6.7 6.3 5.7 6.3 7.0 6.7 PST-2HFM 8.0 7.7 6.3 6.0 5.3 5.7 7.7 6.7 QUASAR 8.0 6.7 6.0 6.7 6.0 6.0 7.7 6.7 BAR LP 22174 8.0 7.7 6.3 5.7 5.7 5.7 7.0 6.6 BAR LP 22263 8.0 6.7 6.7 6.3 5.3 6.3 6.7 6.6 DARK MATTER 8.0 7.3 6.3 6.0 5.7 6.3 6.7 6.6 DLF-PR-3726 8.0 7.3 6.0 6.0 5.3 6.0 7.3 6.6 GO-RUS20 7.7 7.3 6.3 6.3 5.3 6.0 7.0 6.6 PPG-PR 646 7.7 8.0 6.0 6.0 5.3 6.0 7.0 6.6 GREENBACK 8.0 6.7 6.3 6.0 5.3 6.3 7.0 6.5 HIGH OCTANE 7.7 7.0 6.0 5.7 5.3 6.7 7.3 6.5 PVF-RPP2 8.0 7.3 6.7 5.7 5.0 6.0 7.0 6.5 DLF-LGT-3066 7.7 6.7 6.3 6.3 5.0 5.3 7.7 6.4 RC20-02O 8.0 6.3 5.7 6.3 5.7 5.7 7.0 6.4 RPP3 8.0 6.3 6.0 5.0 6.0 6.3 7.3 6.4 SE-DK 8.0 7.0 6.7 6.3 5.0 5.7 6.3 6.4 BAR LP 22262 7.7 7.3 7.0 5.7 5.7 5.3 5.7 6.3 MRSL-PR22 8.0 7.3 6.7 5.3 4.7 5.7 6.3 6.3 PST-2SPF 7.3 7.7 6.3 5.7 5.3 5.3 6.7 6.3 BAR LP 22256 7.3 6.7 6.7 5.7 5.3 6.0 6.0 6.2 PPG-PR 602 7.3 6.7 6.3 5.3 5.7 5.7 6.3 6.2 PPG-PR 658 7.3 7.3 6.0 5.3 5.0 6.0 6.7 6.2 PST-214 7.7 8.0 6.0 5.0 5.3 5.7 6.0 6.2 DLF-PR-3737 8.0 6.7 5.7 5.3 5.0 5.7 6.7 6.1 BRIGHTSTAR SLT 8.0 6.7 6.0 5.3 5.0 5.3 6.0 6.0 KARMA 7.7 6.7 6.0 5.3 5.7 5.0 5.7 6.0 TSC-CRS 7.7 5.3 6.3 5.0 4.7 5.3 6.7 5.9 SEPR-2013 7.7 6.3 5.7 4.3 4.7 5.3 6.7 5.8 LINN 7.3 4.0 5.0 4.3 3.3 3.7 5.3 4.7 LSD VALUE 1.7 1.1 2.5 1.8 1.5 2.4 1.5 0.7 C.V. (%) 4.9 8.7 10.1 13.6 12.8 14.6 10.3 6.0 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 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