TABLE 1. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST AT PALM DESERT (FAIRWAY OVERSEEDING), CA 1/ 2023 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ GENETIC PERCENT PERCENT GREEN COVER QUALITY RATINGS NAME COLOR ESTABLISHMENT OCT 2 APRIL 3 JAN FEB MAR APR OCT NOV DEC MEAN PPG-PR 658 7.0 71.7 99.0 93.3 8.0 9.0 8.3 9.0 6.3 8.3 8.7 8.2 DLF-PR-3726 7.3 70.0 99.0 97.3 7.7 8.7 8.3 8.7 6.3 8.0 8.7 8.0 GREENBACK 7.3 76.7 99.0 96.7 7.0 9.0 8.3 9.0 7.0 7.3 8.3 8.0 PPG-PR 602 7.3 63.3 99.0 96.0 7.3 8.3 8.3 8.7 6.7 8.0 8.3 8.0 PPG-PR 611 7.0 63.3 99.0 97.7 8.0 8.7 8.7 8.3 6.7 7.3 8.3 8.0 PPG-PR 670 7.3 70.0 98.7 98.0 7.7 9.0 8.7 8.7 6.3 7.3 8.0 8.0 PST-214 8.3 66.7 99.0 96.3 8.0 9.0 8.0 8.3 6.7 7.7 8.3 8.0 PVF-SGS5 7.3 55.0 99.0 97.3 7.3 9.0 8.7 9.0 6.7 7.0 8.7 8.0 20PR10 7.3 61.7 99.0 94.7 7.7 8.3 8.3 8.7 6.3 7.7 8.3 7.9 BRIGHTSTAR SLT 6.7 65.0 99.0 97.3 7.3 8.3 8.0 9.0 7.0 7.3 8.0 7.9 BSG-PR22 9.0 63.3 99.0 94.7 7.3 9.0 8.7 9.0 6.7 7.0 7.7 7.9 BY-PS2 7.0 65.0 99.0 68.3 7.7 8.7 8.3 8.0 7.0 7.3 8.0 7.9 CJP1R 7.7 66.7 98.7 98.7 7.7 9.0 8.0 9.0 6.7 6.7 8.0 7.9 DLF-PR-3727 7.0 78.3 99.0 94.3 7.7 8.3 7.7 8.3 6.7 7.7 8.7 7.9 MRSL-PR22 8.7 61.7 99.0 96.3 7.7 9.0 8.3 9.0 6.7 6.3 8.3 7.9 PPG-PR 620 7.7 68.3 96.7 96.3 7.7 8.7 8.3 8.7 6.3 7.3 8.3 7.9 PPG-PR 639 7.3 71.7 99.0 97.0 7.3 8.7 8.0 9.0 6.7 7.0 8.3 7.9 PPG-PR 643 7.3 70.0 98.7 90.7 7.3 9.0 9.0 8.0 6.0 7.3 8.3 7.9 PST-2SPF 8.0 63.3 98.7 89.7 6.7 9.0 8.7 8.7 6.3 7.7 8.3 7.9 QUASAR 8.0 71.7 99.0 94.3 8.0 8.7 8.3 8.3 6.7 7.3 8.0 7.9 ULTRA SPORT (PST-2HAF20) 8.3 75.0 99.0 95.0 7.0 8.7 8.0 9.0 6.7 7.7 8.0 7.9 BAR LP 22191 6.3 63.3 99.0 94.3 7.3 8.7 8.0 8.7 6.7 7.3 8.0 7.8 DLF-PR-3730 7.7 75.0 93.7 96.0 7.3 8.7 8.3 8.7 6.0 7.0 8.7 7.8 DLF-PR-3736 6.7 63.3 99.0 94.0 7.0 8.3 8.0 9.0 7.0 7.3 8.0 7.8 DLF-PR-3737 7.3 68.3 99.0 96.7 7.3 8.3 8.3 8.3 7.0 7.3 7.7 7.8 GO-RUS20 7.0 70.0 98.0 97.0 7.0 8.7 8.3 9.0 5.7 7.3 8.3 7.8 PPG-PR 642 7.0 76.7 99.0 98.3 7.3 8.7 8.0 9.0 7.0 7.0 7.7 7.8 PPG-PR 647 6.7 75.0 99.0 91.3 7.0 9.0 8.3 8.3 7.0 7.0 8.0 7.8 PPG-PR 662 6.7 66.7 99.0 98.3 7.3 8.3 8.3 8.3 6.7 7.7 7.7 7.8 PPG-PR 663 8.0 61.0 99.0 97.7 7.3 8.7 8.0 8.7 6.7 7.3 8.0 7.8 PPG-PR 668 6.7 60.0 99.0 95.3 7.3 9.0 8.3 8.0 6.7 7.0 8.3 7.8 PS4 8.3 60.0 91.7 98.0 7.3 8.7 8.7 9.0 6.0 7.0 8.0 7.8 PST-2E6 7.0 68.3 99.0 95.0 7.0 9.0 8.3 8.7 7.0 7.0 7.7 7.8 ALPHA CENTAURI 7.3 73.3 97.3 95.7 7.3 8.7 8.7 8.3 6.3 7.0 7.7 7.7 APS 7.3 60.0 98.3 95.0 7.0 8.7 8.7 8.7 6.0 6.7 8.0 7.7 BAR LP 22174 6.7 68.3 99.0 95.3 7.3 8.7 7.7 8.3 6.7 7.3 8.0 7.7 DARK MATTER 8.3 73.3 98.3 96.7 7.3 8.7 8.7 8.7 6.3 6.7 7.7 7.7 ELEKTRA GLR (PPG-PR 671) 6.7 60.0 99.0 92.0 7.3 8.7 8.3 8.3 6.7 7.0 7.7 7.7 LTP-NR 6.7 71.7 99.0 96.7 6.7 8.3 8.3 9.0 6.7 7.0 7.7 7.7 LTP-RPP4 7.3 75.0 96.3 95.0 6.7 8.7 8.3 8.7 6.3 7.3 8.0 7.7 PISTON 7.7 65.0 99.0 86.7 7.3 8.3 8.3 8.0 6.7 7.3 7.7 7.7 PPG-PR 637 7.3 65.0 99.0 92.0 6.7 8.7 8.3 8.3 6.7 7.0 8.0 7.7 PPG-PR 646 7.3 68.3 99.0 95.7 7.0 8.3 8.7 8.3 6.3 7.3 7.7 7.7 PPG-PR 661 7.3 71.7 99.0 97.0 7.0 8.7 8.3 8.7 7.0 7.0 7.3 7.7 PPG-PR 665 7.3 73.3 99.0 95.7 6.7 8.7 8.7 8.3 7.0 6.7 7.7 7.7 PPG-PR 666 6.7 65.0 99.0 97.7 7.3 8.7 8.3 8.7 7.0 7.0 7.0 7.7 TABLE 1. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST AT PALM DESERT (FAIRWAY OVERSEEDING), CA 1/ 2023 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ GENETIC PERCENT PERCENT GREEN COVER QUALITY RATINGS NAME COLOR ESTABLISHMENT OCT 2 APRIL 3 JAN FEB MAR APR OCT NOV DEC MEAN PPG-PR 667 6.7 61.7 98.7 94.7 7.0 8.7 8.3 8.7 6.3 7.3 7.7 7.7 PST-2BGL 7.7 75.0 98.7 96.7 7.3 8.3 8.7 8.7 6.7 7.0 7.3 7.7 PST-2DRG 7.7 75.0 99.0 95.0 7.0 8.3 8.3 8.3 6.7 7.3 8.0 7.7 PST-2EGY 7.0 61.7 99.0 96.3 7.3 9.0 8.0 8.7 6.7 6.7 7.3 7.7 PST-2GDS 7.3 63.3 99.0 97.0 6.7 8.7 8.7 8.3 6.3 7.0 8.0 7.7 PST-2HFM 8.0 66.7 98.7 98.0 6.7 9.0 8.7 8.7 6.3 7.3 7.3 7.7 PVF-RPP2 8.0 66.7 99.0 92.3 7.0 8.7 8.7 8.7 6.3 6.3 8.0 7.7 SE-DK 8.3 70.0 98.0 97.3 7.0 8.7 9.0 8.7 6.3 6.3 8.0 7.7 TSC-CRS 7.7 75.0 99.0 97.0 7.0 8.3 8.7 8.7 7.0 6.0 8.0 7.7 DLF-PR-3738 7.7 68.3 99.0 90.7 6.0 9.0 8.7 8.3 7.0 7.0 7.3 7.6 GO-RUS21 7.7 75.0 98.7 92.0 7.7 8.3 7.7 8.0 6.3 7.3 8.0 7.6 KARMA 7.3 73.3 97.3 95.0 7.0 8.0 8.0 8.3 6.3 7.3 8.3 7.6 NAI-PR5 7.3 60.0 99.0 95.7 7.3 8.3 8.0 8.3 6.0 7.3 7.7 7.6 PPG-PR 610 7.0 79.3 99.0 95.7 6.7 8.7 8.7 8.3 6.7 7.0 7.3 7.6 RPP3 7.0 76.7 99.0 96.0 6.3 8.7 8.7 8.3 7.0 7.0 7.3 7.6 DLF-LGT-3066 6.3 63.3 96.0 97.0 7.0 8.3 8.0 8.7 6.0 6.7 8.0 7.5 DLF-PR-3728 6.7 78.3 99.0 95.7 6.0 8.3 8.0 9.0 6.3 6.7 8.0 7.5 GO-RUS22 7.3 81.7 99.0 92.3 6.7 8.3 8.3 9.0 6.7 6.3 7.0 7.5 PPG-PR 664 8.0 51.7 99.0 93.0 6.0 8.7 8.7 9.0 6.7 6.7 6.7 7.5 SILETZ 6.7 70.0 99.0 95.3 6.7 8.0 8.3 8.7 6.7 6.7 7.3 7.5 STELLAR 4GL 7.3 55.0 99.0 96.7 7.0 8.3 8.3 9.0 6.7 6.0 7.0 7.5 BAR LP 22262 6.0 81.7 99.0 85.7 7.0 8.0 8.0 8.0 6.7 6.7 7.7 7.4 BAR LP 22263 6.7 66.7 99.0 96.7 7.3 8.0 8.3 8.3 6.0 6.7 7.3 7.4 PPG-PR 606 7.0 73.3 99.0 94.7 6.3 7.7 9.0 8.3 6.7 6.7 7.3 7.4 PST-2ADS 7.0 82.7 99.0 96.0 6.7 8.3 8.0 8.0 6.7 6.7 7.7 7.4 SEPR-2013 8.3 63.3 99.0 76.7 6.3 8.7 8.3 7.7 6.7 6.7 7.7 7.4 DLF-PR-3729 7.0 69.3 99.0 92.3 6.7 8.0 8.3 8.0 6.3 6.7 7.0 7.3 DLF-PR-3735 7.3 65.0 84.7 97.3 6.3 8.3 9.0 8.3 6.0 6.3 7.0 7.3 GRAY EAGLE SLT (PST-2MEG) 7.0 78.3 98.3 98.3 6.7 7.7 9.0 8.7 6.0 6.3 7.0 7.3 SGP4 6.7 78.3 99.0 83.7 6.3 8.7 8.7 8.0 6.7 6.0 7.0 7.3 BAR LP 22256 7.0 70.0 99.0 81.3 6.3 8.0 8.0 8.0 7.0 6.3 7.0 7.2 HOMERUN LS 6.3 80.0 88.3 96.0 6.3 8.3 8.3 8.7 6.0 6.0 6.7 7.2 PPG-PR 644 6.3 66.7 99.0 97.0 7.0 8.0 7.7 8.3 6.0 6.7 7.0 7.2 PST-2MES1 7.3 68.3 99.0 76.7 6.7 8.7 8.3 7.3 6.3 6.7 6.7 7.2 RC20-02O 7.3 66.7 99.0 96.3 6.3 6.7 7.7 8.3 7.0 7.0 7.7 7.2 HIGH OCTANE 7.7 47.7 99.0 77.7 6.0 8.3 8.7 7.7 6.7 5.7 6.3 7.0 LINN 5.3 71.7 99.0 95.0 6.0 7.3 7.0 8.0 6.3 5.7 6.0 6.6 LSD VALUE 2.0 50.1 14.0 43.9 5.9 1.7 1.4 1.6 2.7 3.9 3.6 1.4 C.V. (%) 11.6 17.6 3.7 10.4 14.9 7.1 6.2 6.5 9.1 13.0 12.1 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. 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 CA5 LOAMY SAND 7.1-7.5 151-270 241-375 0.0-1.0 FULL SUN 0.6-1.0 TO PREVENT STRESS