TABLE 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST GROWN UNDER SHADE STRESS AT AMES, IA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING QUALITY RATINGS NAME COLOR GREENUP APR MAY JUN JUL AUG SEP OCT NOV MEAN PPG-PR 642 7.0 5.0 7.3 8.7 7.0 6.0 7.0 7.0 7.0 6.7 7.1 DLF-PR-3728 6.7 6.0 7.3 8.3 7.7 5.7 6.7 6.7 6.3 6.7 6.9 GRAND SLAM G-LS (PPG-PR 637) 7.0 6.3 8.7 8.7 7.0 5.0 6.7 6.3 6.0 6.3 6.8 PS4 7.3 5.3 8.0 8.3 6.0 5.7 6.0 6.0 5.7 7.0 6.6 QUASAR 7.0 4.0 7.3 7.3 6.3 6.3 6.0 6.0 6.7 7.0 6.6 SGP4 7.0 4.0 7.0 8.3 7.3 6.3 5.7 6.3 6.0 6.0 6.6 BAR LP 22174 7.0 4.3 6.7 8.0 7.3 6.0 6.3 6.7 6.3 5.0 6.5 APS 6.7 6.3 6.7 8.0 7.0 6.0 5.7 6.3 5.7 5.7 6.4 DLF-PR-3735 7.0 5.3 6.3 7.7 7.3 6.0 5.3 6.0 6.3 6.0 6.4 WICKED COOL (DLF-PR-3738) 7.0 4.0 7.7 7.7 6.7 6.0 6.0 6.0 6.3 5.0 6.4 RPP3 7.0 5.0 7.7 8.3 5.7 5.3 5.3 6.7 6.0 6.0 6.4 20PR10 7.0 3.7 7.3 8.0 6.7 6.0 5.0 5.3 6.0 6.0 6.3 LTP-RPP4 7.0 4.7 8.0 8.3 6.3 6.3 5.3 5.7 5.3 5.3 6.3 PISTON 7.0 4.7 6.7 7.7 7.3 6.3 5.0 6.0 5.7 6.0 6.3 PPG-PR 639 7.0 4.3 7.3 7.7 6.7 6.0 6.7 6.0 4.7 5.0 6.3 FASTBALL 4GL (PPG-PR 658) 6.7 5.0 6.0 8.3 7.7 5.7 6.0 5.7 5.3 4.7 6.2 PST-2HFM 7.0 4.7 7.3 8.3 7.3 5.7 5.3 5.0 4.7 5.3 6.1 PST-2MES1 6.7 4.3 7.7 8.0 7.7 5.7 5.0 4.7 5.0 5.0 6.1 RC20-02O 7.3 5.0 8.0 7.7 5.7 5.3 5.7 5.7 5.3 5.3 6.1 CJP1R 6.7 3.3 6.7 7.3 7.7 5.7 5.0 4.7 5.0 5.7 6.0 HIGH OCTANE 7.0 4.0 6.7 7.3 7.0 5.7 5.3 5.7 5.7 5.0 6.0 LTP-NR 7.0 4.0 7.3 8.0 6.3 5.0 5.3 5.0 5.3 5.3 6.0 PPG-PR 664 7.7 4.7 7.7 7.7 6.3 5.0 5.3 5.3 5.0 5.7 6.0 PPG-PR 670 7.0 4.3 5.7 7.7 7.0 5.7 5.3 5.7 5.3 5.3 6.0 PPG-PR 620 7.3 5.3 6.7 8.0 6.3 5.7 5.3 5.3 4.7 5.0 5.9 PPG-PR 646 7.0 5.7 7.3 8.3 6.3 4.7 5.3 5.0 5.3 5.0 5.9 PPG-PR 661 7.0 6.3 7.3 8.3 6.7 5.7 5.0 4.3 4.7 5.3 5.9 PVF-SGS5 7.0 4.7 6.7 7.3 7.0 5.0 5.3 4.7 6.0 5.0 5.9 BAR LP 22263 6.7 5.0 6.3 7.7 6.7 4.7 5.7 5.3 5.0 5.0 5.8 SLIDER SG (PPG-PR 602) 7.0 4.3 7.3 8.0 6.7 5.3 5.7 4.0 4.7 5.0 5.8 PPG-PR 662 7.0 4.3 7.3 8.0 7.7 5.7 5.7 3.7 4.0 4.7 5.8 APPLE 4SGL (PPG-PR 663) 7.0 3.7 7.3 7.0 7.0 5.0 5.3 4.0 5.3 5.7 5.8 STELLAR 4GL 7.3 4.0 7.0 7.3 5.7 5.0 5.7 4.0 5.3 6.3 5.8 HOMERUN G-LS (PPG-PR 644) 7.0 3.3 7.0 7.0 6.0 4.7 4.7 5.7 5.3 5.0 5.7 BAR LP 22262 7.0 4.0 7.0 7.7 6.7 6.0 6.0 3.7 4.0 3.7 5.6 ASPIRATION (DLF-PR-3736) 7.0 3.7 5.3 7.3 7.7 5.0 6.0 5.0 3.7 4.7 5.6 IGNITION (PPG-PR 647) 7.0 5.0 6.7 8.0 7.0 4.0 4.7 5.0 4.7 4.7 5.6 KARMA 7.0 4.3 6.0 7.7 6.3 5.3 5.7 5.3 4.3 4.3 5.6 PERFORMANCE (NAI-PR5) 7.0 3.3 5.7 7.7 6.3 5.3 4.7 5.3 4.7 5.0 5.6 PVF-RPP2 7.0 2.3 6.3 6.7 6.3 5.3 5.0 5.7 5.0 4.7 5.6 RELIC (PPG-PR 611) 7.0 5.3 7.0 7.7 6.7 5.3 6.0 4.3 3.7 4.0 5.6 SILETZ 7.0 3.0 6.7 8.0 5.7 4.7 5.0 4.0 5.0 5.7 5.6 SUNDOWN (BY-PS2) 7.0 4.0 7.0 7.7 6.3 4.7 5.0 4.0 4.7 5.3 5.6 ULTRA SPORT (PST-2HAF20) 7.0 4.0 6.3 8.0 7.7 5.3 6.0 4.3 3.7 3.7 5.6 PPG-PR 671 6.7 3.7 5.7 6.7 7.0 5.3 5.3 5.3 4.0 4.3 5.5 PPG-PR 610 7.0 3.7 6.3 7.3 7.3 6.3 5.0 3.7 4.0 3.7 5.5 PPG-PR 666 7.0 5.0 6.7 8.3 6.7 5.0 6.0 4.0 3.7 3.3 5.5 TABLE 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS (CONT'D) IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST GROWN UNDER SHADE STRESS AT AMES, IA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING QUALITY RATINGS NAME COLOR GREENUP APR MAY JUN JUL AUG SEP OCT NOV MEAN VORTEX SRT (PPG-PR 665) 7.0 4.7 6.3 7.7 7.7 5.7 5.3 4.3 3.7 3.7 5.5 BAR LP 22191 7.3 4.7 7.0 8.0 6.0 4.7 5.0 4.0 3.7 5.0 5.4 DLF-PR-3729 6.7 3.3 6.7 8.0 8.0 4.3 4.7 5.0 3.3 3.3 5.4 PPG-PR 643 7.0 3.3 6.3 7.0 6.7 5.3 5.0 4.7 4.0 4.3 5.4 ALPHA CENTAURI 7.0 3.0 6.0 6.3 6.7 5.7 5.3 4.3 3.7 4.3 5.3 DLF-PR-3727 7.0 3.3 6.7 6.7 6.3 4.7 4.7 4.3 4.0 5.0 5.3 GO-RUS21 7.0 4.7 6.7 7.7 7.0 3.7 5.3 4.3 3.7 4.0 5.3 PPG-PR 606 7.3 3.3 5.3 6.7 6.7 5.3 5.7 4.0 4.3 4.7 5.3 EXCEED (PPG-PR 668) 7.0 4.0 5.7 7.3 6.7 5.0 5.0 4.3 4.3 4.3 5.3 PST-2ADS 7.0 4.0 6.7 7.3 6.0 4.3 4.7 4.3 4.7 4.7 5.3 PST-2E6 7.3 3.7 6.7 8.0 6.3 6.0 4.3 3.3 3.7 4.3 5.3 DLF-PR-3730 6.3 4.3 5.3 7.3 8.3 5.7 5.3 4.0 2.7 3.0 5.2 GREENBACK 7.3 4.0 7.3 8.0 6.0 4.3 4.3 3.0 3.7 4.3 5.1 PPG-PR 667 6.7 3.7 5.3 7.7 7.7 4.3 5.0 3.7 3.3 4.0 5.1 BAR LP 22256 7.0 3.0 5.0 7.7 6.7 5.7 4.7 2.7 3.3 4.3 5.0 DLF-PR-3726 7.0 4.0 5.3 7.3 7.0 5.3 3.7 4.0 3.7 3.3 5.0 DLF-PR-3737 7.0 3.0 5.7 7.3 6.3 5.3 5.0 3.0 3.7 3.3 5.0 STINGER (PST-2EGY) 7.0 4.7 6.0 8.0 5.7 4.3 4.7 4.0 3.3 3.7 5.0 PST-2GDS 7.0 4.0 5.7 7.3 7.0 4.3 4.7 4.0 4.0 3.3 5.0 GO-RUS20 7.0 3.7 5.7 7.3 7.0 5.0 3.7 3.7 2.7 3.7 4.8 GRAY EAGLE SLT (PST-2MEG) 7.3 4.7 6.0 7.3 6.3 5.0 4.3 3.0 3.0 3.0 4.8 HOMERUN LS 7.0 4.3 5.7 7.0 6.7 4.7 4.0 3.7 3.0 3.7 4.8 PST-2SPF 7.3 3.3 6.0 6.7 6.3 4.3 4.3 3.3 3.3 4.0 4.8 BRIGHTSTAR SLT 7.3 3.7 6.0 7.0 5.3 3.7 4.3 2.7 3.7 4.3 4.6 SEPR-2013 7.3 3.3 6.0 7.3 6.3 3.7 3.7 3.0 3.3 3.3 4.6 LINN 7.0 2.3 5.0 6.7 5.7 4.0 4.3 3.3 3.3 3.3 4.5 DLF-LGT-3066 7.0 2.7 4.7 6.7 6.0 4.3 3.7 3.3 3.3 3.0 4.4 FLIGHTLINE (PST-214) 7.0 3.7 4.3 7.3 6.7 4.0 4.3 2.7 2.7 2.3 4.3 MRSL-PR22 7.0 3.0 4.7 6.7 6.0 5.0 3.7 2.3 2.7 3.7 4.3 BSG-PR22 7.0 3.3 5.0 6.7 5.7 3.7 3.3 2.7 3.0 3.0 4.1 NEXUS DK (SE-DK) 7.0 2.3 5.0 7.0 6.0 3.7 3.7 2.0 2.0 2.3 4.0 DARK MATTER 7.3 2.3 4.3 6.3 5.3 3.3 3.3 2.7 2.3 2.7 3.8 PROMINENT II (TSC-CRS) 7.0 3.7 5.0 6.7 6.0 4.0 2.7 2.0 2.0 2.3 3.8 LIGHTSPEED (PST-2DRG) 7.3 3.0 4.0 5.3 4.7 3.3 3.0 2.7 2.7 3.0 3.6 PST-2BGL 8.0 3.7 3.0 4.0 4.7 4.7 3.7 3.0 3.0 2.7 3.6 GO-RUS22 7.3 3.0 3.7 4.3 4.7 3.3 4.0 2.7 3.0 2.7 3.5 LSD VALUE 1.1 5.4 6.5 3.1 1.8 3.3 4.1 2.3 2.8 4.7 2.0 C.V. (%) 5.1 36.4 27.8 15.5 13.7 23.0 26.5 28.5 32.1 37.2 17.7 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 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS (CONT'D) IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST GROWN UNDER SHADE STRESS AT AMES, IA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING SUMMER FALL PERCENT GROUND COVER RATINGS APRIL-NOVEMBER NAME DENSITY DENSITY DENSITY APRIL MAY JULY AUGUST OCTOBER NOVEMBER PPG-PR 642 5.7 5.3 4.7 69.7 93.0 49.0 61.0 46.7 57.0 DLF-PR-3728 6.0 4.7 4.7 71.0 92.0 44.0 59.7 41.3 56.3 GRAND SLAM G-LS (PPG-PR 637) 5.0 7.3 5.0 83.7 93.7 42.0 59.0 39.7 56.0 PS4 5.0 6.0 5.0 79.3 92.0 45.7 48.3 35.3 62.3 QUASAR 5.0 5.7 5.3 72.7 80.7 51.7 52.0 41.3 62.3 SGP4 5.0 5.3 4.3 67.3 89.3 52.3 49.7 39.0 50.7 BAR LP 22174 5.3 4.7 4.0 60.3 85.0 46.3 56.0 40.0 44.3 APS 5.7 5.3 4.7 64.0 89.0 50.3 48.3 35.0 46.3 DLF-PR-3735 5.3 6.3 4.7 61.3 81.3 48.3 44.7 40.7 53.0 WICKED COOL (DLF-PR-3738) 5.0 7.0 4.3 73.3 81.3 45.0 53.0 40.3 45.3 RPP3 5.3 6.3 4.7 73.3 88.7 42.7 47.3 39.7 51.3 20PR10 5.0 5.3 4.3 67.7 82.0 48.7 42.7 37.3 52.7 LTP-RPP4 5.3 6.7 4.0 74.7 88.7 48.7 45.7 34.3 41.3 PISTON 5.0 5.3 4.3 64.3 83.7 48.3 44.3 36.7 51.7 PPG-PR 639 5.3 5.0 4.0 69.0 80.3 47.0 59.7 28.7 41.3 FASTBALL 4GL (PPG-PR 658) 5.7 5.7 4.0 59.3 89.7 43.7 51.7 31.3 36.7 PST-2HFM 5.0 5.0 4.0 72.7 92.7 44.3 47.3 26.3 41.0 PST-2MES1 5.0 4.3 4.3 71.3 82.7 45.0 45.3 29.3 40.0 RC20-02O 5.0 4.3 4.0 73.3 81.3 44.3 48.0 32.7 43.0 CJP1R 5.0 4.3 4.3 61.7 78.3 43.7 42.3 30.0 46.3 HIGH OCTANE 5.7 5.3 4.7 61.3 81.3 48.0 43.7 35.0 42.7 LTP-NR 5.3 5.7 4.3 69.7 84.0 39.0 45.0 32.3 45.0 PPG-PR 664 5.0 4.7 4.3 75.0 83.7 40.0 47.3 30.7 47.3 PPG-PR 670 5.0 4.0 4.3 53.3 82.3 45.0 45.0 32.7 44.3 PPG-PR 620 4.7 6.0 4.3 63.7 85.3 42.0 42.7 27.3 40.3 PPG-PR 646 5.3 5.0 4.3 74.3 89.7 37.3 44.0 33.3 43.3 PPG-PR 661 5.0 4.0 4.7 70.7 93.0 46.0 42.7 26.3 43.7 PVF-SGS5 5.0 4.0 4.3 63.0 82.0 40.7 46.3 39.7 42.7 BAR LP 22263 5.7 5.0 4.3 61.0 85.0 34.7 50.7 27.7 41.0 SLIDER SG (PPG-PR 602) 5.0 5.0 4.3 68.0 86.3 42.0 50.7 28.7 42.7 PPG-PR 662 5.0 4.7 4.0 66.3 85.3 45.0 48.3 21.7 36.0 APPLE 4SGL (PPG-PR 663) 4.7 4.3 4.7 71.3 75.3 40.0 47.0 31.0 48.3 STELLAR 4GL 4.7 5.3 4.7 65.3 78.0 39.3 46.3 33.3 52.0 HOMERUN G-LS (PPG-PR 644) 5.0 3.0 4.7 63.7 75.7 35.3 41.0 33.3 39.7 BAR LP 22262 5.0 4.3 4.3 66.0 86.3 46.7 48.7 22.0 29.3 ASPIRATION (DLF-PR-3736) 4.7 5.0 4.0 45.7 81.0 41.0 54.3 21.3 35.0 IGNITION (PPG-PR 647) 5.3 5.0 4.0 64.3 87.7 32.0 41.0 27.3 35.3 KARMA 5.0 5.7 4.0 58.7 85.0 41.0 46.7 25.3 34.0 PERFORMANCE (NAI-PR5) 5.0 6.7 4.3 51.0 80.7 42.0 38.0 28.0 43.7 PVF-RPP2 4.7 3.3 4.0 37.0 69.7 40.3 41.0 28.7 39.0 RELIC (PPG-PR 611) 5.0 4.0 4.0 66.7 84.0 43.0 53.3 18.3 27.3 SILETZ 5.3 6.3 4.7 63.7 82.7 33.7 41.7 31.7 49.7 SUNDOWN (BY-PS2) 5.0 3.0 4.0 65.3 81.3 37.3 42.0 28.0 45.0 ULTRA SPORT (PST-2HAF20) 5.3 5.3 3.7 61.7 86.7 45.3 51.0 20.0 24.7 PPG-PR 671 5.0 4.0 3.7 50.3 72.7 42.7 41.7 20.7 32.0 PPG-PR 610 5.0 4.3 4.0 57.3 83.0 48.7 43.7 20.0 28.3 PPG-PR 666 4.3 3.7 4.0 64.7 86.3 39.3 52.0 19.7 25.0 TABLE 7. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS (CONT'D) IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST GROWN UNDER SHADE STRESS AT AMES, IA 1/ 2024 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING SUMMER FALL PERCENT GROUND COVER RATINGS APRIL-NOVEMBER NAME DENSITY DENSITY DENSITY APRIL MAY JULY AUGUST OCTOBER NOVEMBER VORTEX SRT (PPG-PR 665) 5.0 5.3 3.3 56.7 82.7 45.3 47.3 18.7 28.3 BAR LP 22191 5.0 4.0 4.0 66.0 83.3 36.7 41.0 21.0 39.3 DLF-PR-3729 5.7 2.0 4.0 60.7 86.3 33.7 36.3 17.7 23.0 PPG-PR 643 5.7 5.0 4.7 56.7 75.7 42.7 44.7 23.7 33.7 ALPHA CENTAURI 5.3 4.3 4.3 55.7 70.7 47.3 44.3 17.3 35.0 DLF-PR-3727 5.0 4.3 4.3 61.0 72.0 35.7 36.3 23.3 38.0 GO-RUS21 5.0 4.7 4.0 62.7 80.7 26.3 44.0 20.0 28.3 PPG-PR 606 5.0 4.3 4.0 50.0 70.3 43.3 47.7 23.7 37.0 EXCEED (PPG-PR 668) 4.7 5.0 4.3 51.7 79.7 39.3 41.7 26.7 33.7 PST-2ADS 4.7 3.7 4.7 60.3 77.7 34.3 34.7 26.7 33.3 PST-2E6 4.7 4.7 4.3 61.0 82.7 46.7 38.0 19.3 32.3 DLF-PR-3730 5.0 4.3 3.7 48.0 77.7 46.7 44.7 12.3 15.0 GREENBACK 5.0 4.0 4.7 73.3 86.0 31.7 33.7 19.3 32.0 PPG-PR 667 5.0 2.7 4.0 49.0 81.7 32.7 44.0 17.3 28.0 BAR LP 22256 5.0 3.3 4.0 44.0 80.0 43.0 40.0 17.0 30.0 DLF-PR-3726 4.7 4.7 4.0 49.3 80.0 40.7 27.7 21.3 23.3 DLF-PR-3737 4.3 4.7 4.0 49.3 79.3 41.0 42.0 18.7 19.7 STINGER (PST-2EGY) 5.0 4.0 3.7 54.3 87.3 32.7 41.7 16.3 26.0 PST-2GDS 5.3 4.7 4.0 52.3 79.7 33.0 36.7 20.0 22.3 GO-RUS20 5.3 3.0 4.0 52.3 80.7 38.7 27.0 13.3 27.7 GRAY EAGLE SLT (PST-2MEG) 4.7 4.7 3.3 57.0 77.0 42.3 31.3 12.0 19.0 HOMERUN LS 5.0 4.0 3.7 53.3 74.7 34.0 26.7 17.3 25.7 PST-2SPF 4.7 4.0 3.3 53.0 71.3 31.7 31.7 14.7 27.0 BRIGHTSTAR SLT 4.7 4.3 4.3 54.7 75.7 26.0 34.7 20.0 32.0 SEPR-2013 5.0 4.3 4.3 54.0 76.0 27.0 28.3 16.7 22.7 LINN 4.3 2.3 3.7 43.3 71.7 30.3 33.7 17.0 20.7 DLF-LGT-3066 4.7 3.7 3.0 40.7 68.3 32.3 27.7 16.3 15.0 FLIGHTLINE (PST-214) 4.7 3.0 3.7 37.7 74.7 29.7 33.0 11.7 14.7 MRSL-PR22 4.7 3.3 3.7 37.7 71.3 38.7 27.7 11.7 18.7 BSG-PR22 4.7 4.3 3.3 41.3 69.0 25.7 24.0 12.0 15.3 NEXUS DK (SE-DK) 4.7 3.7 4.3 45.7 77.3 27.3 24.7 6.0 8.3 DARK MATTER 4.7 4.0 3.3 35.3 64.7 25.0 21.3 6.7 9.7 PROMINENT II (TSC-CRS) 5.0 4.3 3.3 41.0 70.3 25.3 21.7 8.3 10.3 LIGHTSPEED (PST-2DRG) 4.7 4.7 3.7 30.0 56.7 22.7 21.7 11.0 14.0 PST-2BGL 4.3 2.7 3.0 18.7 38.0 34.7 26.3 12.3 15.3 GO-RUS22 4.0 2.3 3.3 27.7 43.7 22.7 31.0 13.3 13.0 LSD VALUE 1.0 3.9 2.5 66.1 45.3 32.0 33.8 21.7 45.9 C.V. (%) 9.3 33.2 17.8 33.8 18.0 27.7 31.5 44.6 52.1 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 IA2 SANDY CLAY LOAM 7.1-7.5 0-60 0-150 2.1-3.0 DENSE SHADE 2.1-2.5 TO PREVENT DORMANCY