TABLE 20. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG (FAIRWAY), VA 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DOLLAR QUALITY RATINGS NAME SPOT APR MAY JUN JUL AUG SEP OCT MEAN PPG-PR 642 8.3 7.3 7.7 7.0 7.3 6.7 7.7 7.7 7.3 ALPHA CENTAURI 8.0 7.7 7.7 6.7 7.7 7.0 7.0 7.0 7.2 APS 6.7 8.0 7.7 7.3 7.7 6.0 6.7 7.0 7.2 PPG-PR 668 7.7 8.0 7.7 7.3 7.0 6.0 6.3 8.0 7.2 PPG-PR 670 7.3 7.7 8.0 7.0 7.3 6.0 6.7 7.7 7.2 DLF-PR-3736 7.3 8.0 8.0 7.3 7.7 6.3 6.3 6.3 7.1 DLF-PR-3738 7.7 8.0 7.7 6.7 7.3 6.0 7.0 7.3 7.1 PPG-PR 662 7.0 8.0 8.0 7.0 6.3 6.0 7.0 7.3 7.1 PPG-PR 664 8.3 8.0 7.7 6.7 6.7 7.0 6.3 7.3 7.1 PST-2MES1 8.3 8.0 7.3 7.0 7.3 6.7 6.7 7.0 7.1 DLF-PR-3728 6.3 8.0 8.0 7.7 7.3 5.0 6.3 6.7 7.0 GO-RUS21 8.0 7.7 7.7 7.0 6.7 6.3 6.0 7.3 7.0 GRAY EAGLE SLT (PST-2MEG) 7.3 8.0 7.7 7.0 6.3 5.3 6.7 7.7 7.0 PPG-PR 637 7.3 8.0 7.3 7.0 7.0 6.0 6.7 7.0 7.0 PPG-PR 644 7.7 7.7 6.7 6.7 7.0 6.3 7.0 7.7 7.0 PPG-PR 666 7.0 8.0 7.0 7.0 6.7 6.0 6.3 7.7 7.0 PPG-PR 667 7.7 8.0 7.3 7.0 6.3 6.3 6.7 7.3 7.0 ELEKTRA GLR (PPG-PR 671) 8.0 7.7 8.0 6.3 6.3 5.7 6.7 7.7 6.9 NAI-PR5 8.0 8.0 7.3 6.7 7.7 6.0 5.7 7.0 6.9 PPG-PR 602 7.0 8.0 7.7 6.7 6.3 6.0 6.3 7.0 6.9 PPG-PR 611 6.7 8.0 8.0 6.7 6.7 5.7 6.3 7.0 6.9 PPG-PR 663 7.3 8.0 8.0 7.7 6.0 5.3 5.7 7.3 6.9 PPG-PR 665 8.0 8.0 7.7 7.3 6.7 5.7 6.0 6.7 6.9 PVF-RPP2 7.3 8.0 7.0 6.7 6.3 6.0 7.0 7.0 6.9 SILETZ 7.7 7.7 7.7 6.7 5.7 6.0 7.0 7.3 6.9 ULTRA SPORT (PST-2HAF20) 7.3 7.7 8.0 7.0 7.0 5.7 6.3 6.7 6.9 DLF-PR-3727 7.0 7.7 7.3 7.3 6.0 6.3 5.7 7.3 6.8 DLF-PR-3735 8.3 8.0 7.7 6.7 6.3 6.0 6.7 6.3 6.8 GO-RUS20 8.0 8.0 7.3 7.3 6.7 6.0 6.0 6.3 6.8 LTP-RPP4 7.7 8.0 7.3 6.0 6.0 6.0 6.7 7.3 6.8 PPG-PR 639 7.0 7.7 7.7 6.3 6.0 6.0 6.7 7.0 6.8 PPG-PR 658 7.7 8.0 6.3 6.3 6.7 6.7 6.7 6.7 6.8 PPG-PR 661 8.0 7.7 7.0 6.7 6.7 6.3 6.7 6.7 6.8 PST-2ADS 8.0 7.7 7.0 6.0 6.3 6.3 7.0 7.0 6.8 PVF-SGS5 7.3 7.7 7.7 6.0 7.0 5.7 6.3 7.0 6.8 BY-PS2 7.0 8.0 7.3 6.7 6.7 5.7 6.7 6.0 6.7 DLF-PR-3726 6.3 7.3 7.7 7.0 6.3 5.7 5.7 7.0 6.7 DLF-PR-3729 6.7 8.0 8.0 7.3 5.7 5.0 6.0 7.0 6.7 DLF-PR-3730 5.7 7.7 8.0 7.3 6.7 4.7 5.7 6.7 6.7 PPG-PR 620 6.7 7.3 7.7 6.7 6.3 5.7 6.0 7.3 6.7 PPG-PR 646 7.7 8.0 7.0 5.7 5.3 6.0 7.3 7.3 6.7 PS4 6.7 7.7 7.7 6.0 7.0 5.7 6.0 7.0 6.7 PST-214 7.7 7.7 7.7 6.3 6.3 6.0 6.0 7.0 6.7 SGP4 7.7 7.3 7.0 5.7 7.3 6.3 6.3 7.0 6.7 BAR LP 22262 7.3 7.7 7.0 7.3 6.0 6.0 6.0 6.3 6.6 BAR LP 22263 7.0 7.7 7.3 7.0 6.7 5.3 6.0 6.3 6.6 CJP1R 7.3 7.3 6.3 5.3 7.0 5.7 7.0 7.7 6.6 TABLE 20. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG (FAIRWAY), VA 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DOLLAR QUALITY RATINGS NAME SPOT APR MAY JUN JUL AUG SEP OCT MEAN DARK MATTER 6.3 8.0 7.7 6.3 5.7 5.0 6.3 7.0 6.6 HIGH OCTANE 7.7 7.7 6.3 6.3 6.7 6.0 6.3 7.0 6.6 PPG-PR 606 7.3 7.7 7.0 6.0 6.3 6.0 6.3 7.0 6.6 PPG-PR 643 8.0 7.7 7.3 6.0 5.7 5.7 6.7 7.3 6.6 PPG-PR 647 7.7 8.0 7.3 6.0 6.3 5.3 6.3 7.0 6.6 PST-2GDS 6.7 8.0 7.7 7.0 5.7 5.7 5.7 6.3 6.6 PST-2HFM 7.7 7.3 7.7 6.7 6.3 5.7 6.7 6.0 6.6 DLF-LGT-3066 7.7 7.3 7.3 7.0 6.3 5.7 6.0 5.7 6.5 LTP-NR 6.7 8.0 7.0 6.3 5.7 5.3 6.3 7.0 6.5 PST-2EGY 6.7 7.7 7.0 7.0 6.0 5.0 5.3 7.3 6.5 BAR LP 22256 6.0 7.7 6.7 6.7 5.3 5.3 6.0 7.0 6.4 DLF-PR-3737 5.7 7.7 7.7 6.7 6.3 4.7 5.3 6.3 6.4 PST-2BGL 7.3 8.0 7.7 6.3 4.7 5.3 5.7 7.0 6.4 PST-2E6 6.7 8.0 7.0 6.0 6.0 5.0 6.0 7.0 6.4 QUASAR 7.7 8.0 6.0 6.0 6.7 5.0 6.0 7.0 6.4 TSC-CRS 5.0 8.0 7.7 6.7 6.0 4.7 6.0 6.0 6.4 20PR10 6.7 7.7 7.7 6.0 5.7 5.0 5.7 6.7 6.3 GO-RUS22 5.7 8.0 7.0 6.0 5.7 4.7 5.3 7.3 6.3 GREENBACK 5.3 7.7 8.0 7.0 5.0 4.7 6.0 6.0 6.3 HOMERUN LS 7.0 8.0 7.3 6.0 5.3 5.3 5.7 6.3 6.3 PISTON 7.0 8.0 7.0 6.0 5.7 5.3 5.3 6.7 6.3 PPG-PR 610 6.7 8.0 6.7 6.7 5.0 5.7 5.3 7.0 6.3 STELLAR 4GL 7.7 8.0 6.7 6.3 5.7 5.0 6.3 6.3 6.3 BAR LP 22191 6.0 8.0 7.3 7.0 5.3 5.0 5.0 6.0 6.2 BRIGHTSTAR SLT 6.7 8.0 7.7 6.7 5.3 4.7 5.7 5.7 6.2 PST-2DRG 6.0 8.0 7.0 7.0 5.7 4.3 5.0 6.3 6.2 BSG-PR22 5.7 7.7 7.7 6.0 5.3 4.7 6.0 5.7 6.1 RPP3 6.7 7.7 5.3 5.3 6.3 5.3 6.0 6.7 6.1 SE-DK 6.0 7.3 7.7 6.7 5.0 4.7 5.3 6.3 6.1 SEPR-2013 5.7 7.3 6.7 6.7 4.7 4.7 6.0 6.7 6.1 KARMA 5.7 7.7 6.7 5.3 5.3 4.7 5.3 6.7 6.0 BAR LP 22174 5.0 8.0 7.7 6.3 5.0 4.3 4.7 5.3 5.9 MRSL-PR22 7.0 7.7 6.7 6.3 5.0 5.0 5.3 5.3 5.9 RC20-02O 5.7 7.7 6.0 6.0 5.3 5.3 5.0 6.0 5.9 PST-2SPF 5.3 6.3 7.3 5.7 4.3 4.0 5.7 5.3 5.5 LINN 3.7 7.0 5.7 4.0 4.0 3.0 3.7 4.3 4.5 LSD VALUE 2.5 1.0 1.5 1.1 1.5 1.4 1.5 1.6 0.5 C.V. (%) 16.6 5.2 9.8 9.2 13.7 13.7 12.6 11.8 4.9 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 VA2 SILT LOAM AND SILT 6.1-6.5 0-60 0-150 2.1-3.0 FULL SUN 0.6-1.0 ONLY DURING SEVERE STRESS