TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT ESTABLISHMENT RATINGS JAN 6 JAN 6 JAN 13 JAN 13 JAN 20 JAN 20 NAME CONTROL SALT CONTROL SALT CONTROL SALT DLF-LGT-3066 17.3 18.3 21.7 29.7 34.0 32.7 BAR LP 22256 21.0 19.3 29.3 32.3 37.7 36.7 GO-RUS22 21.3 22.0 32.7 33.0 38.0 38.0 GRAY EAGLE SLT (PST-2MEG) 29.7 22.0 34.0 32.0 38.3 40.0 PERFORMANCE (NAI-PR5) 21.7 19.0 28.0 34.7 38.0 37.0 PPG-PR 610 25.7 21.7 35.7 33.0 37.3 36.7 PPG-PR 639 23.3 26.3 29.7 34.0 37.3 38.0 PPG-PR 663 28.0 19.3 36.3 31.0 38.0 34.0 PPG-PR 668 28.3 22.0 34.3 35.0 40.0 39.3 SGP4 24.0 19.0 34.7 32.3 37.3 35.3 ALPHA CENTAURI 21.7 18.0 30.7 29.3 37.3 34.0 BRIGHTSTAR SLT 20.0 20.3 33.3 33.7 38.7 34.0 DLF-PR-3737 18.7 16.0 26.3 28.3 36.3 34.7 GO-RUS21 26.0 20.3 33.0 32.7 36.7 37.0 NEXUS DK (SE-DK) 25.3 22.3 34.7 32.0 38.3 36.7 PPG-PR 647 29.0 20.0 31.0 33.3 37.0 39.0 PPG-PR 670 20.7 21.0 30.0 32.7 35.7 35.3 RELIC (PPG-PR 611) 27.0 21.3 31.3 34.3 38.0 40.3 VORTEX SRT (PPG-PR 665) 30.7 22.7 32.3 33.3 39.3 39.7 BAR LP 22191 25.0 21.7 32.0 32.0 37.0 39.0 BAR LP 22262 24.7 18.0 31.0 31.3 37.3 37.0 DLF-PR-3735 19.0 16.3 30.3 29.0 37.3 36.0 LIGHTSPEED (PST-2DRG) 20.7 21.7 30.7 34.0 37.3 38.7 LTP-RPP4 21.0 20.0 33.7 35.7 37.0 37.0 PPG-PR 661 31.0 23.0 33.7 35.3 39.0 38.7 ULTRA SPORT (PST-2HAF20) 23.7 18.7 32.3 32.0 38.7 37.0 BAR LP 22263 20.0 17.7 30.0 32.3 37.0 34.0 PST-2HFM 30.7 20.0 35.7 35.0 36.7 38.7 DARK MATTER 30.0 19.0 29.3 33.7 36.0 40.0 20PR10 27.7 21.7 32.3 36.7 37.3 38.7 CJP1R 20.7 20.7 29.3 28.7 35.0 36.7 DLF-PR-3726 27.0 20.0 32.3 31.0 37.7 34.7 DLF-PR-3727 26.3 19.0 30.3 32.3 37.0 37.7 DLF-PR-3730 23.3 22.7 33.7 33.7 38.3 37.0 DLF-PR-3736 22.0 20.7 31.0 29.0 38.7 37.3 ELEKTRA GLR (PPG-PR 671) 26.7 22.3 29.3 31.7 38.3 36.7 GREENBACK 27.0 19.7 30.7 33.3 38.0 37.3 KARMA 21.0 18.0 33.0 33.7 38.0 35.0 PPG-PR 646 29.3 21.7 33.3 35.0 39.0 37.0 PPG-PR 664 16.0 19.3 30.7 35.0 38.7 36.0 PPG-PR 666 21.0 18.3 33.3 34.7 38.7 36.7 PST-2ADS 23.7 23.3 30.3 33.3 37.7 35.3 PST-2GDS 22.7 20.0 34.0 35.7 38.0 37.3 PST-2MES1 28.0 19.7 32.7 35.3 37.3 38.3 PPG-PR 637 27.3 19.0 31.7 31.3 38.7 38.0 PPG-PR 662 23.7 22.0 32.0 31.0 37.7 35.7 PPG-PR 667 24.7 18.7 33.0 33.0 38.3 36.7 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT ESTABLISHMENT RATINGS JAN 6 JAN 6 JAN 13 JAN 13 JAN 20 JAN 20 NAME CONTROL SALT CONTROL SALT CONTROL SALT PS4 23.0 18.0 29.0 27.3 37.7 32.3 APS 25.3 19.3 35.0 32.7 37.7 36.0 GO-RUS20 28.0 20.0 31.0 34.3 37.0 37.7 MRSL-PR22 28.7 22.0 28.7 35.3 34.3 37.0 PPG-PR 602 24.7 19.0 34.0 29.7 39.0 35.3 PPG-PR 643 23.7 18.7 36.0 35.7 39.0 37.3 PST-2BGL 22.7 21.7 36.7 31.0 39.0 35.7 SUNDOWN (BY-PS2) 18.3 18.3 28.0 26.7 36.7 33.7 PST-2SPF 24.3 17.7 30.0 31.0 37.7 37.7 BAR LP 22174 28.0 22.3 33.7 35.3 38.0 38.3 DLF-PR-3738 22.7 21.3 29.0 35.0 37.3 36.3 HIGH OCTANE 26.3 18.3 31.0 30.3 37.0 34.7 PPG-PR 644 29.7 20.0 28.0 35.0 39.7 39.0 LTP-NR 24.0 21.7 28.7 32.3 38.7 38.0 PPG-PR 606 24.3 21.7 33.3 31.7 38.0 37.0 PPG-PR 642 22.7 19.0 33.0 35.3 37.7 39.3 PST-2EGY 23.3 21.3 30.7 31.3 37.3 37.0 PVF-SGS5 23.0 19.3 31.3 33.3 36.3 37.7 SILETZ 31.7 20.3 32.0 32.3 39.0 36.7 DLF-PR-3728 23.7 20.0 32.3 32.3 36.7 38.7 PISTON 22.3 21.0 35.7 34.3 37.7 38.3 QUASAR 23.7 19.7 32.3 32.0 36.7 36.7 STELLAR 4GL 29.7 20.3 39.0 33.7 39.7 38.0 HOMERUN LS 27.0 26.0 31.0 36.0 39.3 39.7 PVF-RPP2 23.7 18.3 25.3 32.0 38.0 36.3 RPP3 19.3 17.0 26.3 32.3 37.7 36.7 BSG-PR22 29.7 21.0 31.3 33.7 37.0 38.3 DLF-PR-3729 20.0 15.7 24.0 27.3 31.7 32.0 PROMINENT II (TSC-CRS) 27.3 21.0 29.7 30.0 36.7 36.7 SEPR-2013 18.7 17.3 29.3 32.0 37.0 34.7 PPG-PR 658 23.7 18.7 33.3 32.3 38.7 38.3 FLIGHTLINE (PST-214) 25.7 22.3 35.3 32.7 39.3 38.3 PST-2E6 24.0 19.7 27.7 32.0 36.7 37.7 RC20-02O 23.0 21.3 33.0 32.0 39.3 36.3 LINN 21.3 21.7 27.7 32.0 37.0 33.7 PPG-PR 620 21.7 20.0 27.3 29.0 35.0 37.0 LSD VALUE 11.0 7.9 11.4 7.9 5.7 6.6 C.V. (%) 19.5 14.1 13.5 9.4 5.2 6.9 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. 3/ ENTRIES WERE FIRST ESTABLISHED IN THE GREENHOUSE FOR A PERIOD OF 60 DAYS, THEN MAINTAINED AT THE LOWEST SALINITY LEVEL (6 ds/m) FOR A PERIOD OF 1 MONTH FOR DATA COLLECTION. SALINITY WAS THEN INCREASED TO 10 ds/m FOR A MONTH AND DATA COLLECTED AS BEFORE. THIS PROCESS WAS CONTINUED, INCREASING THE SALINITY LEVEL EACH MONTH TO 14, 18 AND THEN 22 ds/m. CONTROL POTS WERE ALSO EVALUATED FOR EACH SALINITY LEVEL SUCH THAT A PERCENT OF CONTROL RESPONSE COULD BE CALCULATED FOR SOME RATINGS. TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS FOR THE CONTROL 3/ FEB 13 FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 NAME 6_dS 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS DLF-LGT-3066 8.0 8.0 8.0 8.7 8.3 7.7 5.7 5.0 4.7 4.3 5.7 5.7 6.0 6.3 5.7 BAR LP 22256 8.0 8.0 8.3 8.3 8.3 7.7 6.0 5.3 5.3 5.7 6.0 6.3 6.0 6.3 6.0 GO-RUS22 8.0 8.0 8.3 8.7 8.0 7.7 6.3 4.7 4.7 4.7 5.3 5.7 6.0 6.3 5.7 GRAY EAGLE SLT (PST-2MEG) 8.0 8.0 8.7 9.0 8.3 7.7 5.7 5.7 6.0 6.3 6.3 6.3 6.0 6.7 6.3 PERFORMANCE (NAI-PR5) 8.0 8.0 9.0 9.0 8.0 7.7 6.0 5.0 5.0 5.3 6.0 5.7 6.3 6.7 5.7 PPG-PR 610 8.0 8.0 8.0 8.3 8.0 7.7 5.7 4.7 5.3 5.7 6.0 6.3 6.7 6.7 5.7 PPG-PR 639 8.0 8.0 8.7 8.3 7.7 7.7 5.7 4.3 4.3 5.3 5.0 5.3 5.7 7.0 6.3 PPG-PR 663 8.0 8.3 8.7 8.7 8.7 8.0 6.0 4.7 4.3 4.3 5.0 4.7 5.7 6.3 5.7 PPG-PR 668 8.0 8.0 8.0 9.0 8.3 8.0 6.3 5.7 5.3 5.7 5.7 5.7 5.7 7.0 5.7 SGP4 8.3 8.3 8.3 9.0 8.3 7.7 6.3 5.0 4.3 5.7 6.3 6.0 6.0 6.7 6.0 ALPHA CENTAURI 8.0 8.3 8.3 8.7 8.3 8.0 6.3 6.0 6.3 6.0 6.3 6.3 6.7 6.7 6.0 BRIGHTSTAR SLT 8.0 8.0 8.3 9.0 8.3 8.0 6.3 5.7 7.0 6.0 6.0 5.7 5.7 6.3 6.0 DLF-PR-3737 8.0 8.3 8.3 8.7 7.7 7.7 6.0 5.0 4.3 5.0 5.7 5.7 6.0 6.7 6.0 GO-RUS21 8.0 8.0 8.7 8.3 7.7 8.0 6.0 4.7 4.3 4.7 5.3 5.3 6.0 6.7 6.0 NEXUS DK (SE-DK) 8.3 8.0 8.3 8.3 7.3 7.7 5.3 4.3 4.0 4.0 5.0 5.0 5.3 6.7 6.0 PPG-PR 647 8.0 8.0 8.0 8.7 8.3 8.0 6.3 5.7 5.3 5.7 6.3 5.7 6.0 6.7 6.0 PPG-PR 670 8.3 8.0 8.7 8.3 8.3 8.0 6.7 5.3 5.3 5.3 5.3 5.7 5.7 6.3 6.0 RELIC (PPG-PR 611) 8.0 8.0 8.3 9.0 8.0 7.3 5.7 4.7 4.7 5.0 5.3 5.3 6.0 6.7 6.0 VORTEX SRT (PPG-PR 665) 8.0 8.0 8.3 9.0 8.0 7.3 6.0 5.3 6.0 6.0 6.7 6.3 6.3 6.0 6.0 BAR LP 22191 8.0 8.0 8.3 9.0 8.3 7.7 6.3 5.3 5.3 5.0 5.7 5.3 6.0 6.7 5.7 BAR LP 22262 8.0 8.0 8.3 8.7 7.7 7.3 5.3 4.3 4.3 5.0 5.3 5.7 6.7 6.0 5.7 DLF-PR-3735 8.0 8.3 8.3 8.7 8.3 8.0 6.3 5.3 5.7 5.7 6.0 5.7 6.0 6.3 5.7 LIGHTSPEED (PST-2DRG) 8.0 8.3 8.0 8.7 7.7 8.0 6.0 5.3 5.7 5.7 5.7 6.0 6.0 7.0 5.7 LTP-RPP4 8.0 8.0 8.7 8.3 7.7 7.7 5.7 5.3 5.3 5.7 6.0 6.0 6.3 6.3 5.7 PPG-PR 661 8.0 8.0 8.0 8.7 7.7 7.7 5.7 4.7 4.7 5.7 5.7 5.0 5.7 7.0 6.3 ULTRA SPORT (PST-2HAF20) 8.3 8.0 8.7 9.0 8.3 8.0 6.3 5.3 5.7 6.3 6.3 7.0 6.7 6.7 5.7 BAR LP 22263 8.0 8.0 8.7 8.7 8.3 8.0 6.0 5.7 5.3 5.3 5.3 5.7 5.7 6.0 6.3 PST-2HFM 8.0 8.0 8.7 9.0 7.7 8.0 5.7 6.0 5.7 5.3 5.7 6.0 6.0 7.3 6.3 DARK MATTER 8.0 8.0 8.7 8.7 8.3 7.7 7.0 6.0 5.7 5.0 5.7 4.7 5.7 6.3 6.0 20PR10 8.0 7.7 8.3 8.7 7.7 7.3 5.7 4.7 5.0 5.3 6.0 5.7 6.0 6.0 6.0 CJP1R 8.0 8.0 8.3 8.7 7.7 7.3 5.7 4.3 4.3 5.0 5.3 5.0 5.3 6.0 5.3 DLF-PR-3726 8.0 8.0 8.3 9.0 8.3 7.7 6.3 5.3 6.0 5.7 6.3 5.7 6.0 6.3 6.0 DLF-PR-3727 8.3 8.0 8.7 8.3 8.0 7.7 6.0 4.7 5.0 6.0 6.3 6.0 6.3 7.0 6.0 DLF-PR-3730 8.0 8.0 8.7 8.3 7.7 8.0 6.0 5.0 5.0 5.3 6.7 6.3 6.7 7.3 6.0 DLF-PR-3736 8.0 8.0 8.3 8.7 8.0 7.7 6.0 5.0 5.3 5.7 6.0 5.7 5.7 6.7 6.0 ELEKTRA GLR (PPG-PR 671) 8.3 8.0 8.7 9.0 8.3 7.7 6.3 5.3 5.7 5.3 6.3 5.7 6.0 6.7 6.0 GREENBACK 8.0 8.0 8.7 8.7 8.0 7.0 5.7 4.3 5.3 5.0 5.3 6.0 7.0 6.7 6.0 KARMA 8.0 7.7 8.0 9.0 8.0 7.7 5.7 4.7 4.3 4.7 4.7 5.0 5.7 6.3 6.0 PPG-PR 646 8.0 8.0 8.3 9.0 7.7 7.7 6.0 4.7 5.0 4.7 5.0 5.3 5.7 6.3 6.0 PPG-PR 664 8.0 8.0 8.7 8.7 8.7 7.7 6.3 5.3 6.0 6.0 6.7 6.0 6.3 6.7 6.0 PPG-PR 666 8.3 8.0 8.7 8.3 8.0 7.7 6.3 5.3 5.7 5.7 6.3 6.3 6.3 7.0 6.0 PST-2ADS 8.0 8.0 8.0 8.3 8.0 7.3 5.7 5.3 5.7 5.7 6.7 6.0 6.0 6.0 5.3 PST-2GDS 8.0 8.0 8.7 9.0 8.3 7.7 6.0 5.3 5.0 5.3 6.3 6.0 6.3 6.3 6.0 PST-2MES1 8.0 8.0 8.7 9.0 8.3 7.7 6.0 5.0 4.3 5.0 5.7 6.0 6.0 6.3 6.0 PPG-PR 637 8.0 8.0 8.3 8.3 8.7 7.7 6.3 5.3 5.3 5.3 6.3 5.7 6.0 6.7 6.0 PPG-PR 662 8.0 7.7 8.7 8.7 7.7 7.7 6.0 5.7 4.7 5.0 6.0 6.0 6.3 6.3 6.3 PPG-PR 667 8.0 8.3 8.7 9.0 8.7 8.0 6.3 6.0 6.3 5.7 6.0 6.0 6.3 7.0 6.3 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS FOR THE CONTROL 3/ FEB 13 FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 NAME 6_dS 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS PS4 8.0 8.0 8.7 8.7 8.7 7.7 6.0 5.7 5.3 6.3 6.7 6.3 6.0 6.7 6.3 APS 8.0 8.0 8.0 8.7 7.7 7.3 5.7 5.3 5.7 5.3 5.7 6.0 6.0 6.0 5.7 GO-RUS20 8.0 7.7 8.0 9.0 8.7 7.7 6.7 5.7 5.7 5.7 6.0 5.0 5.3 6.7 6.3 MRSL-PR22 8.0 8.0 8.3 9.0 7.7 7.7 5.7 3.7 3.3 3.7 4.3 5.0 5.7 6.0 5.7 PPG-PR 602 8.0 8.3 8.7 8.7 8.3 7.7 6.3 5.7 6.0 6.0 6.3 5.7 6.0 6.7 6.3 PPG-PR 643 8.3 8.3 8.7 8.7 7.7 7.7 5.7 5.0 5.0 5.3 5.3 5.7 6.3 6.3 5.7 PST-2BGL 8.0 8.3 8.3 9.0 8.0 7.3 5.3 5.3 5.7 5.3 6.3 6.0 6.3 6.3 5.7 SUNDOWN (BY-PS2) 8.3 7.7 8.0 9.0 8.3 7.0 6.0 4.0 4.7 5.0 5.3 5.7 6.3 6.3 5.7 PST-2SPF 8.0 8.3 8.0 8.7 8.3 8.0 5.3 5.0 4.7 5.3 5.7 6.0 6.7 7.7 6.7 BAR LP 22174 8.0 8.0 8.7 8.7 7.3 7.3 6.0 5.0 5.3 5.3 6.0 5.7 6.3 7.0 6.0 DLF-PR-3738 8.0 7.7 8.0 8.7 7.7 7.7 6.7 4.7 5.0 5.0 5.3 5.3 5.3 6.3 6.0 HIGH OCTANE 8.0 8.0 8.0 8.3 7.0 7.3 6.0 4.7 5.0 5.3 5.7 5.7 6.0 6.3 6.0 PPG-PR 644 8.3 8.0 8.7 9.0 7.7 7.3 5.7 5.0 6.0 5.0 6.0 5.7 5.7 6.7 6.0 LTP-NR 8.0 7.7 8.3 9.0 8.0 7.3 5.7 4.7 4.3 4.7 5.7 5.7 6.0 6.3 6.0 PPG-PR 606 8.0 8.0 8.7 8.7 8.0 8.0 6.3 5.0 5.3 5.7 6.3 6.7 6.7 6.3 6.0 PPG-PR 642 8.0 8.0 8.3 8.3 8.0 7.7 5.7 4.7 4.3 5.7 6.0 6.3 6.7 7.0 6.0 PST-2EGY 8.0 8.0 8.3 8.3 7.7 7.3 5.7 4.7 5.7 6.0 6.3 6.7 7.0 6.3 6.0 PVF-SGS5 8.0 8.0 8.7 9.0 8.7 7.7 5.7 5.0 5.0 5.3 6.0 5.7 6.3 6.3 6.0 SILETZ 8.0 8.0 8.0 8.3 8.3 8.0 6.0 5.3 5.3 6.0 6.3 6.0 6.3 6.7 6.0 DLF-PR-3728 8.3 8.0 8.0 8.7 8.0 7.7 6.3 5.3 6.3 6.3 6.3 6.3 6.3 6.0 5.3 PISTON 8.0 8.0 8.7 8.3 7.7 7.3 5.7 4.3 4.7 5.0 5.3 5.3 6.0 5.7 5.3 QUASAR 8.0 7.7 8.3 8.7 7.7 7.7 6.0 4.3 5.0 5.0 5.7 5.7 5.7 7.3 6.3 STELLAR 4GL 8.0 7.7 8.3 8.7 8.0 7.3 6.0 4.7 4.3 4.3 4.7 5.3 6.0 6.7 6.3 HOMERUN LS 8.0 8.0 8.3 8.7 8.3 7.7 6.0 4.3 3.7 4.3 5.3 5.7 5.7 6.7 6.3 PVF-RPP2 8.0 8.0 8.3 8.3 7.0 7.3 5.7 4.7 4.7 5.0 5.0 5.0 5.7 6.3 6.7 RPP3 8.0 8.0 8.3 9.0 8.0 7.7 5.7 5.3 5.3 5.3 6.0 5.7 5.3 6.7 6.7 BSG-PR22 8.0 8.0 8.7 8.7 8.7 8.0 6.0 5.0 5.3 5.0 6.0 5.7 6.7 6.3 5.7 DLF-PR-3729 8.0 8.0 8.0 8.3 8.0 7.7 6.3 5.0 5.0 5.7 6.0 5.3 6.0 6.0 6.0 PROMINENT II (TSC-CRS) 8.0 8.0 8.7 8.3 7.7 7.7 6.0 4.3 4.7 4.7 5.3 5.3 6.0 6.7 6.0 SEPR-2013 8.0 8.0 8.3 9.0 8.3 8.0 5.7 5.3 5.7 6.0 6.3 6.7 6.7 6.0 6.0 PPG-PR 658 8.0 8.0 8.3 8.7 7.7 7.3 5.7 4.7 5.3 5.3 6.0 5.7 6.3 7.3 6.0 FLIGHTLINE (PST-214) 8.3 8.3 8.3 9.0 8.0 8.0 6.0 5.0 5.3 5.3 5.3 5.3 6.0 6.3 6.0 PST-2E6 8.0 7.7 8.0 9.0 8.0 7.0 6.0 4.7 5.7 6.0 6.7 6.3 6.7 6.7 6.0 RC20-02O 8.3 8.0 8.7 8.7 8.0 7.3 6.0 4.7 5.3 5.7 6.3 5.7 6.3 6.7 6.0 LINN 8.0 7.7 7.7 8.3 7.7 7.0 5.3 4.0 4.0 4.0 5.0 5.0 5.7 6.0 5.3 PPG-PR 620 8.0 8.0 8.7 9.0 8.7 8.0 6.7 5.3 5.3 5.7 7.0 6.0 6.7 7.0 6.7 LSD VALUE 1.4 2.1 1.8 1.2 1.7 2.3 2.5 2.7 3.5 3.1 3.0 2.1 2.0 2.2 1.5 C.V. (%) 3.1 4.6 5.5 4.5 7.2 6.5 10.1 15.8 20.1 16.7 14.9 12.3 10.2 9.4 7.8 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. 3/ ENTRIES WERE FIRST ESTABLISHED IN THE GREENHOUSE FOR A PERIOD OF 60 DAYS, THEN MAINTAINED AT THE LOWEST SALINITY LEVEL (6 ds/m) FOR A PERIOD OF 1 MONTH FOR DATA COLLECTION. SALINITY WAS THEN INCREASED TO 10 ds/m FOR A MONTH AND DATA COLLECTED AS BEFORE. THIS PROCESS WAS CONTINUED, INCREASING THE SALINITY LEVEL EACH MONTH TO 14, 18 AND THEN 22 ds/m. CONTROL POTS WERE ALSO EVALUATED FOR EACH SALINITY LEVEL SUCH THAT A PERCENT OF CONTROL RESPONSE COULD BE CALCULATED FOR SOME RATINGS. TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS DURING APPLIED SALT TREATMENT 3/ FEB 13 FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 NAME 6_dS 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS DLF-LGT-3066 8.0 8.0 8.7 8.7 7.7 7.0 5.7 5.0 4.3 4.0 3.7 3.3 4.0 4.0 3.3 BAR LP 22256 8.3 8.3 9.0 9.0 8.3 7.7 5.7 4.7 3.7 3.3 3.0 2.7 3.0 3.3 3.3 GO-RUS22 8.0 8.3 9.0 9.0 7.3 7.0 5.7 5.3 4.3 4.0 3.7 3.3 3.3 3.3 3.0 GRAY EAGLE SLT (PST-2MEG) 8.0 8.0 9.0 9.0 7.7 7.0 5.3 4.7 4.0 4.0 3.3 3.3 3.7 3.7 3.3 PERFORMANCE (NAI-PR5) 8.3 8.0 9.0 8.7 7.0 7.0 5.3 3.7 3.3 3.3 3.3 2.7 3.3 3.3 3.0 PPG-PR 610 8.0 8.0 9.0 9.0 7.7 7.3 5.7 4.3 3.7 3.7 3.3 3.3 3.3 3.0 3.0 PPG-PR 639 8.0 8.0 9.0 8.7 8.0 7.3 5.7 4.7 3.7 4.0 3.7 3.7 3.7 3.7 3.3 PPG-PR 663 8.0 8.0 9.0 8.7 7.7 7.3 5.7 5.0 4.0 4.0 3.7 3.3 3.0 4.0 3.0 PPG-PR 668 8.0 8.7 9.0 9.0 7.3 7.0 5.3 4.3 3.7 3.7 3.7 3.0 3.0 3.0 3.0 SGP4 8.0 8.0 9.0 8.7 7.3 7.3 5.7 5.3 4.0 4.0 3.3 3.3 4.0 3.7 3.0 ALPHA CENTAURI 8.0 7.7 8.7 9.0 8.0 7.7 5.7 5.0 3.7 3.3 3.0 2.7 3.0 3.3 3.0 BRIGHTSTAR SLT 8.0 8.0 9.0 9.0 7.0 7.0 5.0 4.3 3.3 3.7 2.7 3.0 3.0 3.7 3.0 DLF-PR-3737 8.0 8.0 9.0 8.7 7.3 7.3 5.7 5.0 4.3 4.0 3.3 3.0 3.3 3.3 3.0 GO-RUS21 8.0 8.3 9.0 8.7 7.7 7.0 5.0 4.0 3.3 3.3 3.0 2.7 2.7 3.0 3.0 NEXUS DK (SE-DK) 8.0 8.0 8.7 9.0 7.3 6.7 5.0 4.3 3.3 3.3 3.7 3.3 3.7 3.3 3.0 PPG-PR 647 8.0 8.0 9.0 8.7 7.7 6.7 5.7 4.3 3.3 3.3 3.0 3.0 3.0 2.7 3.0 PPG-PR 670 8.3 8.0 9.0 9.0 7.3 7.0 5.0 4.3 3.3 3.0 2.7 2.7 3.0 3.3 3.0 RELIC (PPG-PR 611) 8.0 8.3 9.0 9.0 7.7 7.0 5.0 4.3 3.3 3.7 3.3 3.0 3.3 2.7 3.0 VORTEX SRT (PPG-PR 665) 8.0 8.0 9.0 9.0 7.7 7.0 5.0 4.3 4.0 3.7 3.3 3.0 3.3 3.3 3.0 BAR LP 22191 8.0 8.0 8.7 8.7 7.3 7.0 5.3 4.3 3.7 3.3 3.3 2.7 3.0 3.0 2.7 BAR LP 22262 8.0 8.0 8.3 8.7 8.0 7.0 5.0 4.7 4.0 3.7 3.3 3.7 3.7 3.7 2.7 DLF-PR-3735 8.0 8.3 9.0 9.0 7.7 7.0 5.0 4.3 3.5 3.3 3.3 2.7 2.7 3.0 2.7 LIGHTSPEED (PST-2DRG) 8.3 8.0 9.0 9.0 7.0 6.7 5.0 4.3 3.7 3.3 3.0 3.0 3.0 2.7 2.7 LTP-RPP4 8.0 8.0 9.0 9.0 7.7 7.0 5.3 4.7 3.0 3.0 2.7 2.7 2.7 2.7 2.7 PPG-PR 661 8.0 8.0 9.0 8.7 7.3 7.0 5.3 5.0 3.3 3.3 3.3 3.3 3.0 3.3 3.0 ULTRA SPORT (PST-2HAF20) 8.0 8.3 9.0 8.7 9.0 8.0 5.7 4.3 3.7 3.3 3.7 2.7 3.0 3.0 2.7 BAR LP 22263 8.3 8.3 9.0 8.7 7.3 7.3 6.0 5.3 4.3 4.0 3.7 3.7 3.7 3.7 3.0 PST-2HFM 8.0 8.3 9.0 8.3 7.7 7.3 4.7 4.3 3.0 3.3 3.0 2.7 3.3 3.3 3.0 DARK MATTER 8.0 8.7 9.0 8.7 7.7 7.0 4.7 4.0 3.0 3.3 2.7 3.0 3.0 3.0 2.7 20PR10 8.0 8.3 9.0 9.0 8.0 7.3 5.0 3.7 2.7 3.3 2.7 2.7 3.0 3.0 2.7 CJP1R 8.0 8.0 9.0 8.7 7.3 6.7 5.0 3.7 2.7 3.0 2.7 2.7 2.3 2.3 2.3 DLF-PR-3726 8.0 8.0 9.0 9.0 7.3 7.0 5.7 4.7 3.7 3.3 3.3 3.0 3.0 3.3 2.7 DLF-PR-3727 8.0 8.0 9.0 8.7 7.3 7.7 6.0 5.0 4.0 3.7 3.3 3.3 3.3 3.7 2.7 DLF-PR-3730 8.0 8.0 8.7 8.7 8.0 7.7 5.0 4.7 3.7 4.0 3.0 2.7 2.3 3.0 2.7 DLF-PR-3736 8.0 8.0 9.0 8.7 7.7 7.3 5.0 4.3 3.7 3.3 3.3 2.7 2.7 3.3 2.7 ELEKTRA GLR (PPG-PR 671) 8.0 8.0 9.0 8.7 7.0 7.0 5.0 4.7 4.0 3.3 2.7 2.7 2.3 2.7 2.7 GREENBACK 8.0 8.0 9.0 8.7 7.7 7.3 5.7 4.7 3.0 3.3 2.7 2.3 2.3 3.0 2.7 KARMA 7.7 8.0 9.0 8.7 7.7 7.7 5.0 4.3 3.3 3.3 3.3 2.7 3.3 2.7 2.7 PPG-PR 646 8.3 8.0 9.0 8.7 7.3 7.7 5.0 4.7 3.7 4.0 3.3 3.7 3.7 3.7 2.7 PPG-PR 664 8.0 8.0 9.0 8.7 7.7 7.3 5.7 4.0 3.0 3.0 2.7 2.7 2.7 3.3 2.7 PPG-PR 666 8.0 8.0 9.0 8.3 7.7 7.3 6.0 4.3 4.0 3.7 3.7 2.7 3.0 3.0 2.7 PST-2ADS 7.7 8.0 8.7 9.0 7.3 7.7 5.0 5.3 4.0 4.0 3.0 3.3 3.3 2.7 2.3 PST-2GDS 8.0 8.0 9.0 8.3 7.7 7.3 5.0 4.0 3.3 3.0 2.7 2.7 2.7 3.0 2.7 PST-2MES1 8.3 8.3 9.0 8.7 8.3 7.7 5.3 4.7 3.7 3.7 3.3 3.0 3.3 2.7 2.7 PPG-PR 637 8.3 8.0 9.0 9.0 7.3 7.3 4.7 4.3 3.7 3.7 3.3 3.0 3.3 3.3 2.7 PPG-PR 662 8.0 8.3 9.0 8.7 8.0 7.7 6.0 5.0 4.0 4.0 3.3 3.3 3.3 3.3 2.7 PPG-PR 667 8.0 7.7 9.0 9.0 8.0 8.0 6.0 5.3 4.3 4.0 4.0 3.7 3.7 3.0 2.7 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS DURING APPLIED SALT TREATMENT 3/ FEB 13 FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 NAME 6_dS 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS PS4 8.0 8.3 9.0 9.0 7.7 7.3 5.3 4.3 3.7 4.0 3.3 3.3 3.0 3.0 2.7 APS 7.7 8.0 9.0 9.0 7.7 6.7 5.3 4.3 3.0 3.0 2.3 2.7 2.7 2.7 2.3 GO-RUS20 8.0 7.7 8.7 8.7 6.7 6.3 4.3 4.3 3.7 3.3 3.0 3.0 3.0 3.0 2.7 MRSL-PR22 7.7 7.7 9.0 8.3 7.7 7.0 5.7 4.3 3.0 3.3 2.7 2.7 2.7 2.3 2.3 PPG-PR 602 8.0 8.0 9.0 8.7 7.7 6.7 5.7 4.0 3.7 3.3 2.7 2.3 2.3 2.3 2.7 PPG-PR 643 8.0 8.0 9.0 8.7 7.3 6.7 5.7 4.0 3.0 3.3 2.7 2.7 2.3 2.3 2.3 PST-2BGL 7.7 8.0 9.0 9.0 7.0 7.0 5.0 4.3 3.0 3.0 2.3 2.0 2.3 2.0 2.3 SUNDOWN (BY-PS2) 8.0 8.0 9.0 9.0 7.0 7.3 5.3 4.3 3.0 3.3 2.7 2.7 2.7 2.7 2.3 PST-2SPF 8.0 8.7 9.0 8.7 7.7 7.3 5.0 4.0 3.3 3.3 3.3 3.0 3.0 3.0 2.7 BAR LP 22174 8.0 8.0 8.7 8.7 7.0 7.0 4.7 4.3 3.3 3.7 3.0 2.7 3.0 2.7 2.3 DLF-PR-3738 7.7 8.0 8.7 8.7 7.3 7.7 5.3 4.3 3.3 3.0 2.3 3.0 2.7 2.7 2.3 HIGH OCTANE 8.0 8.3 8.7 9.0 7.0 7.0 5.0 3.3 2.7 2.7 2.3 2.7 2.3 2.7 2.3 PPG-PR 644 8.0 7.7 9.0 8.7 7.3 6.3 4.3 3.0 2.7 3.0 2.3 2.3 2.0 2.3 2.3 LTP-NR 8.0 8.0 8.7 9.0 7.0 7.0 4.7 3.3 3.3 3.3 3.0 2.7 2.7 2.7 2.3 PPG-PR 606 8.0 8.0 9.0 9.0 7.3 7.3 5.0 4.0 3.0 3.7 3.0 3.0 3.0 3.3 2.3 PPG-PR 642 8.0 8.3 9.0 8.7 7.7 7.0 5.0 3.7 3.3 3.3 3.0 2.7 2.7 3.0 2.3 PST-2EGY 8.0 8.0 9.0 9.0 7.7 7.3 5.3 4.0 3.3 3.3 2.7 2.3 2.7 2.7 2.3 PVF-SGS5 8.0 8.0 8.7 9.0 8.0 7.0 5.7 4.3 4.3 3.3 3.0 2.7 3.0 3.0 2.3 SILETZ 8.0 8.3 8.7 9.0 7.3 7.3 5.7 4.0 3.0 3.3 3.0 2.7 2.7 2.7 2.3 DLF-PR-3728 8.0 8.3 9.0 9.0 7.7 7.0 5.0 4.0 3.3 3.3 2.7 2.7 3.0 2.7 2.0 PISTON 8.0 8.0 9.0 9.0 7.3 7.0 5.7 4.3 3.0 3.3 2.7 2.7 2.7 2.7 2.0 QUASAR 8.0 7.7 8.7 9.0 8.0 7.0 5.3 4.3 4.0 3.7 3.0 3.3 3.0 3.3 2.3 STELLAR 4GL 8.0 8.0 9.0 8.7 7.3 6.7 4.3 4.0 3.7 3.3 2.7 2.7 2.7 2.7 2.3 HOMERUN LS 8.0 8.0 9.0 8.7 7.0 6.3 4.3 3.7 2.7 3.0 2.7 2.7 2.7 2.7 2.3 PVF-RPP2 8.0 8.0 9.0 9.0 7.7 7.3 5.0 4.3 3.3 3.3 3.0 2.7 2.7 2.7 2.3 RPP3 8.0 8.0 8.7 8.7 7.0 7.0 5.0 4.3 3.3 3.7 3.0 3.0 3.0 3.0 2.3 BSG-PR22 8.0 8.7 9.0 9.0 8.3 7.0 4.3 4.0 2.7 2.7 2.3 2.0 2.0 2.7 2.0 DLF-PR-3729 8.0 8.0 9.0 8.7 7.3 7.0 6.0 4.0 3.3 3.0 2.3 2.3 2.7 2.3 2.0 PROMINENT II (TSC-CRS) 8.0 8.3 8.7 9.0 7.7 7.3 5.0 3.7 2.7 2.3 1.7 2.0 2.7 2.7 2.0 SEPR-2013 8.0 8.0 9.0 9.0 8.0 7.3 5.7 4.7 3.3 3.0 2.3 2.0 2.7 2.3 2.0 PPG-PR 658 8.0 8.0 8.7 9.0 7.7 6.7 5.3 4.3 3.3 3.0 2.3 2.3 2.3 2.3 2.0 FLIGHTLINE (PST-214) 8.0 8.0 8.7 8.7 7.3 6.7 4.7 3.3 2.7 2.3 2.3 2.0 2.3 2.3 2.0 PST-2E6 8.0 8.0 9.0 9.0 7.0 7.3 4.3 3.3 2.3 2.7 2.3 2.0 2.7 2.7 2.0 RC20-02O 8.0 7.7 9.0 8.7 7.3 7.3 5.7 3.3 2.7 2.3 2.3 2.3 2.3 2.3 2.0 LINN 7.7 8.0 8.3 8.7 7.0 5.7 4.0 3.3 2.7 3.0 2.7 2.7 2.7 2.7 1.7 PPG-PR 620 8.0 8.3 8.7 9.0 6.7 6.7 4.3 3.3 3.0 3.3 2.7 2.3 2.7 3.0 2.0 LSD VALUE 1.0 0.9 1.2 1.5 1.4 2.0 2.6 2.6 2.8 1.9 1.6 2.2 1.9 2.0 1.7 C.V. (%) 3.0 4.0 3.3 4.0 7.3 8.6 14.6 19.0 22.9 18.3 21.3 23.6 22.3 22.3 21.7 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. 3/ ENTRIES WERE FIRST ESTABLISHED IN THE GREENHOUSE FOR A PERIOD OF 60 DAYS, THEN MAINTAINED AT THE LOWEST SALINITY LEVEL (6 ds/m) FOR A PERIOD OF 1 MONTH FOR DATA COLLECTION. SALINITY WAS THEN INCREASED TO 10 ds/m FOR A MONTH AND DATA COLLECTED AS BEFORE. THIS PROCESS WAS CONTINUED, INCREASING THE SALINITY LEVEL EACH MONTH TO 14, 18 AND THEN 22 ds/m. CONTROL POTS WERE ALSO EVALUATED FOR EACH SALINITY LEVEL SUCH THAT A PERCENT OF CONTROL RESPONSE COULD BE CALCULATED FOR SOME RATINGS. TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT OF QUALITY (SALT TREATMENT OVER CONTROL) FEB 13 FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 NAME 6_dS 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS DLF-LGT-3066 100.0 100.0 108.7 100.0 92.3 92.0 101.0 100.0 95.0 93.3 65.7 60.0 66.7 63.3 59.0 BAR LP 22256 104.3 104.3 108.7 108.7 100.7 100.3 95.3 87.7 72.3 60.0 53.0 42.0 50.0 53.3 55.7 GO-RUS22 100.0 104.3 108.7 104.3 92.0 92.0 90.7 116.7 97.3 89.0 74.3 61.0 57.7 52.3 53.3 GRAY EAGLE SLT (PST-2MEG) 100.0 100.0 104.3 100.0 92.7 92.0 96.7 85.7 71.0 64.3 52.3 53.0 61.0 54.7 53.3 PERFORMANCE (NAI-PR5) 104.3 100.0 100.0 96.3 88.7 92.0 91.3 73.3 72.7 63.3 56.7 46.7 52.3 50.0 53.3 PPG-PR 610 100.0 100.0 113.0 108.7 96.0 96.0 100.0 91.7 69.0 64.7 56.7 52.3 51.0 45.3 53.3 PPG-PR 639 100.0 100.0 104.3 105.0 105.7 96.0 103.7 110.0 86.7 76.7 73.3 69.3 64.3 52.3 53.3 PPG-PR 663 100.0 96.3 104.3 100.7 88.7 92.0 94.3 121.0 126.7 125.7 114.3 81.0 56.0 65.7 53.3 PPG-PR 668 100.0 108.7 113.0 100.0 88.3 88.0 88.7 83.7 72.3 70.0 65.7 53.3 53.3 43.7 52.3 SGP4 96.3 96.3 108.7 96.3 88.7 96.0 89.7 105.7 97.7 71.3 53.3 55.7 66.7 55.7 51.0 ALPHA CENTAURI 100.0 92.3 104.3 104.3 96.3 96.0 89.7 82.7 60.0 57.7 47.7 43.0 46.3 49.0 50.0 BRIGHTSTAR SLT 100.0 100.0 108.7 100.0 84.7 88.0 79.0 75.3 49.3 63.3 44.3 53.3 53.3 59.0 50.0 DLF-PR-3737 100.0 96.3 108.7 100.0 96.0 96.0 94.3 102.7 101.7 80.0 58.0 52.3 54.7 50.0 50.0 GO-RUS21 100.0 104.3 104.3 104.3 100.0 88.0 83.0 89.0 93.3 76.7 58.3 52.7 45.3 45.3 50.0 NEXUS DK (SE-DK) 96.3 100.0 105.0 108.7 103.7 87.3 94.3 108.3 91.0 83.3 73.3 66.7 69.0 51.0 50.0 PPG-PR 647 100.0 100.0 113.0 100.0 93.0 83.3 90.3 79.0 64.0 60.0 48.7 53.3 50.0 39.7 50.0 PPG-PR 670 100.7 100.0 104.3 108.7 88.3 87.7 75.3 86.0 75.3 58.3 50.0 46.7 53.3 52.3 50.0 RELIC (PPG-PR 611) 100.0 104.3 108.7 100.0 96.0 96.0 87.7 94.3 75.7 74.0 66.0 58.3 55.7 40.7 50.0 VORTEX SRT (PPG-PR 665) 100.0 100.0 108.7 100.0 96.0 96.0 83.0 81.0 68.0 63.3 51.0 47.7 53.3 55.7 50.0 BAR LP 22191 100.0 100.0 105.0 96.3 88.7 92.3 84.0 83.3 75.0 70.0 64.3 51.0 50.0 46.3 48.7 BAR LP 22262 100.0 100.0 100.7 100.7 104.7 96.0 94.3 111.0 93.3 75.7 66.7 65.7 55.7 62.3 47.7 DLF-PR-3735 101.0 100.7 108.7 104.3 92.3 88.0 80.0 83.3 226.7 61.0 56.7 47.7 44.3 48.7 47.7 LIGHTSPEED (PST-2DRG) 104.3 96.3 113.0 104.3 92.0 83.7 83.7 83.3 67.0 61.7 52.3 50.0 50.0 39.0 47.7 LTP-RPP4 100.0 100.0 104.3 108.7 100.7 92.0 95.3 86.7 55.7 53.3 44.3 44.3 42.0 43.0 47.7 PPG-PR 661 100.0 100.0 113.0 100.0 96.7 92.0 97.0 111.7 75.0 61.0 60.0 70.0 54.3 49.3 47.7 ULTRA SPORT (PST-2HAF20) 96.3 104.3 104.3 96.3 108.7 100.3 90.3 81.0 65.7 53.3 58.7 38.0 45.3 45.3 47.7 BAR LP 22263 104.3 104.3 104.3 100.0 88.7 92.0 102.0 94.3 86.0 78.0 74.3 65.7 65.7 61.3 46.7 PST-2HFM 100.0 104.3 104.3 92.7 100.0 92.0 82.3 72.3 52.3 62.3 53.3 44.3 55.7 46.3 46.7 DARK MATTER 100.0 108.7 104.3 100.0 92.3 92.0 68.7 68.0 57.7 72.7 47.7 63.3 53.3 47.7 45.3 20PR10 100.0 109.0 108.7 104.3 105.0 100.7 89.0 83.3 53.3 62.3 44.3 46.7 50.0 50.0 44.3 CJP1R 100.0 100.0 108.7 100.7 96.7 91.3 88.7 86.7 61.7 60.0 50.0 52.3 44.3 39.7 44.3 DLF-PR-3726 100.0 100.0 108.7 100.0 88.7 92.0 90.3 87.7 62.3 58.0 52.3 52.3 50.0 52.3 44.3 DLF-PR-3727 96.3 100.0 104.3 104.3 93.3 100.7 100.0 114.0 80.0 61.3 54.3 55.7 52.3 52.3 44.3 DLF-PR-3730 100.0 100.0 100.0 104.3 104.7 96.0 83.0 96.0 75.7 75.7 45.3 42.0 35.0 41.3 44.3 DLF-PR-3736 100.0 100.0 108.7 100.7 96.0 96.0 84.7 89.3 69.0 59.0 55.7 46.7 46.7 50.0 44.3 ELEKTRA GLR (PPG-PR 671) 96.3 101.0 104.3 96.3 84.7 92.0 79.3 89.0 73.7 62.3 42.0 46.7 38.7 39.7 44.3 GREENBACK 100.0 100.0 104.3 100.0 96.3 104.7 101.0 108.3 58.3 67.3 50.0 38.7 33.7 45.3 44.3 KARMA 96.0 104.7 113.0 96.3 96.0 100.0 88.7 95.0 84.3 73.3 73.3 53.3 60.0 42.0 44.3 PPG-PR 646 104.3 100.0 108.7 96.3 96.0 100.7 83.3 100.0 74.0 85.0 65.7 69.7 64.7 58.0 44.3 PPG-PR 664 100.0 100.0 104.3 100.7 89.0 96.0 89.7 75.7 50.0 50.0 41.7 47.3 43.0 51.7 44.3 PPG-PR 666 96.3 100.0 104.3 100.7 96.0 96.0 95.3 82.3 71.0 65.7 59.0 43.0 47.7 43.0 44.3 PST-2ADS 96.0 100.0 108.7 108.7 91.7 104.7 89.0 102.3 72.3 72.3 45.3 55.3 55.7 44.3 44.3 PST-2GDS 100.0 100.0 104.3 92.7 92.7 96.7 85.7 75.7 66.7 56.7 41.0 44.3 41.0 46.7 44.3 PST-2MES1 104.3 104.3 104.3 96.3 100.0 100.7 91.3 93.3 85.0 74.0 60.0 49.0 55.7 41.0 44.3 PPG-PR 637 104.3 100.0 108.7 108.7 85.0 96.7 73.7 83.3 69.3 69.7 53.3 53.3 55.7 50.0 44.3 PPG-PR 662 100.0 109.0 104.3 100.0 104.7 100.0 100.0 86.7 85.0 80.0 55.3 55.3 52.3 53.3 43.0 PPG-PR 667 100.0 92.7 104.3 100.0 92.3 100.0 94.3 92.3 70.0 75.3 66.3 61.0 57.7 44.0 43.0 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT OF QUALITY (SALT TREATMENT OVER CONTROL) FEB 13 FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 NAME 6_dS 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS PS4 100.0 106.0 104.3 104.3 89.0 96.0 89.7 79.0 70.0 63.3 50.0 51.3 50.0 45.3 43.0 APS 96.0 100.0 113.0 104.3 100.7 91.7 94.3 81.0 54.3 61.0 45.7 47.3 45.3 44.3 42.0 GO-RUS20 100.0 100.7 108.7 96.3 77.0 83.0 66.7 77.7 69.7 63.0 50.0 60.0 56.7 45.3 42.0 MRSL-PR22 96.0 96.0 108.7 92.7 100.7 91.7 100.0 119.3 91.7 91.7 61.7 53.3 46.7 38.7 42.0 PPG-PR 602 100.0 96.3 104.3 100.7 92.7 87.7 90.3 72.3 61.0 55.7 43.0 41.0 38.7 36.0 42.0 PPG-PR 643 96.3 96.3 104.3 100.0 97.3 87.7 102.0 82.3 61.7 64.0 52.7 47.7 37.3 37.3 41.0 PST-2BGL 96.0 96.3 108.7 100.0 88.0 96.0 94.3 81.0 53.3 56.7 37.3 33.0 37.3 31.7 41.0 SUNDOWN (BY-PS2) 96.3 104.7 114.0 100.0 84.7 104.7 88.7 111.0 70.0 67.3 52.7 47.7 44.0 42.0 41.0 PST-2SPF 100.0 105.0 113.0 100.7 92.3 92.0 94.3 80.0 70.0 62.3 60.0 50.0 44.3 40.0 39.7 BAR LP 22174 100.0 100.0 100.7 100.0 96.0 96.0 77.7 86.7 64.0 72.3 53.0 47.7 46.7 38.3 38.7 DLF-PR-3738 96.0 104.7 108.7 100.0 95.3 100.0 80.0 96.7 68.3 62.7 46.3 55.7 50.0 42.0 38.7 HIGH OCTANE 100.0 104.3 108.7 108.7 100.0 96.0 83.3 71.7 52.3 50.0 41.0 47.7 38.7 43.0 38.7 PPG-PR 644 96.3 96.0 104.3 96.3 96.0 87.0 75.7 61.7 44.3 60.0 38.7 41.0 35.3 35.0 38.7 LTP-NR 100.0 104.7 105.0 100.0 88.7 96.0 82.0 71.7 76.7 73.3 53.3 47.7 44.3 43.0 38.7 PPG-PR 606 100.0 100.0 104.3 104.3 92.3 92.0 80.0 83.3 57.7 65.7 48.7 45.3 44.3 52.3 38.7 PPG-PR 642 100.0 104.3 108.7 104.3 96.0 91.3 88.7 78.3 84.3 59.0 50.0 42.0 40.7 43.0 38.7 PST-2EGY 100.0 100.0 108.7 108.7 100.7 100.0 94.3 85.0 60.0 55.7 43.0 35.0 38.0 42.0 38.7 PVF-SGS5 100.0 101.0 100.7 100.0 92.7 92.0 101.0 92.3 89.3 66.7 50.0 47.7 48.7 48.7 38.7 SILETZ 100.0 104.3 108.7 108.7 88.7 92.0 94.3 77.7 58.3 55.7 46.7 44.3 42.0 40.7 38.7 DLF-PR-3728 96.3 104.3 113.0 104.3 97.0 92.0 79.0 75.7 53.3 53.3 43.0 43.0 47.7 44.3 37.7 PISTON 100.0 100.0 104.3 108.7 96.0 96.0 100.0 108.3 70.0 68.3 59.7 52.7 45.3 47.7 37.7 QUASAR 100.0 100.7 104.3 104.3 104.7 92.0 88.7 101.7 82.3 74.0 54.3 61.0 54.3 46.0 37.3 STELLAR 4GL 100.0 104.7 108.7 100.7 91.7 91.7 72.0 93.3 91.0 80.0 61.0 51.0 44.3 40.7 37.3 HOMERUN LS 100.0 100.0 108.7 100.0 84.7 83.0 72.0 83.3 75.0 71.7 51.0 49.7 47.7 39.7 36.3 PVF-RPP2 100.0 101.0 108.7 108.7 109.3 100.7 88.7 93.3 72.3 68.3 60.0 53.3 47.7 42.0 36.0 RPP3 100.0 100.0 105.0 96.3 89.0 92.0 90.0 83.3 64.3 70.0 52.0 52.3 56.7 46.3 36.0 BSG-PR22 100.0 108.7 104.3 104.3 96.3 87.7 72.3 83.3 50.0 54.3 39.7 35.3 30.3 42.0 35.3 DLF-PR-3729 100.0 100.0 113.0 104.3 92.0 91.7 95.3 80.0 65.7 52.3 36.7 41.7 43.3 39.0 33.3 PROMINENT II (TSC-CRS) 100.0 104.3 100.7 108.7 100.7 96.0 83.3 85.0 61.0 50.0 31.0 39.0 44.3 40.7 33.3 SEPR-2013 100.0 100.0 108.7 100.0 96.0 92.0 101.0 87.7 63.3 52.0 36.7 29.7 40.7 39.0 33.3 PPG-PR 658 100.0 100.0 104.3 104.3 100.7 91.7 95.3 93.3 62.3 56.7 38.7 41.0 37.3 32.3 33.0 FLIGHTLINE (PST-214) 96.3 96.3 105.0 96.3 92.7 83.7 77.7 68.3 51.0 47.0 47.0 37.7 38.7 37.3 33.0 PST-2E6 100.0 104.7 113.0 100.0 88.0 104.7 72.0 71.7 41.0 44.3 35.0 31.7 40.7 39.7 33.0 RC20-02O 96.3 96.0 104.3 100.7 92.7 101.0 97.0 72.3 50.0 41.0 36.3 41.0 37.3 35.0 33.0 LINN 96.0 104.7 109.0 104.3 91.7 81.7 80.7 94.0 71.7 82.7 56.0 53.3 46.7 44.3 32.3 PPG-PR 620 100.0 104.3 100.7 100.0 77.7 83.7 65.0 67.7 58.3 60.0 39.3 39.7 39.7 43.0 31.0 LSD VALUE 22.1 32.4 37.9 16.8 26.7 43.9 73.6 97.2 184.5 63.3 55.9 40.2 32.6 37.1 37.8 C.V. (%) 4.3 6.6 6.7 6.0 9.9 10.4 18.7 26.0 56.7 29.5 34.5 27.9 24.8 24.2 23.8 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. 3/ ENTRIES WERE FIRST ESTABLISHED IN THE GREENHOUSE FOR A PERIOD OF 60 DAYS, THEN MAINTAINED AT THE LOWEST SALINITY LEVEL (6 ds/m) FOR A PERIOD OF 1 MONTH FOR DATA COLLECTION. SALINITY WAS THEN INCREASED TO 10 ds/m FOR A MONTH AND DATA COLLECTED AS BEFORE. THIS PROCESS WAS CONTINUED, INCREASING THE SALINITY LEVEL EACH MONTH TO 14, 18 AND THEN 22 ds/m. CONTROL POTS WERE ALSO EVALUATED FOR EACH SALINITY LEVEL SUCH THAT A PERCENT OF CONTROL RESPONSE COULD BE CALCULATED FOR SOME RATINGS. TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DENSITY RATINGS FOR THE CONTROL NAME FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS DLF-LGT-3066 7.3 7.3 8.0 7.0 7.0 6.0 5.7 5.3 5.3 5.0 5.0 5.3 6.0 5.5 BAR LP 22256 8.0 8.0 8.3 8.5 7.3 6.3 6.0 6.3 6.0 5.7 6.0 6.3 6.3 6.3 GO-RUS22 7.3 8.3 8.7 7.0 7.0 6.3 5.7 6.0 6.3 5.7 6.0 6.7 6.3 7.0 GRAY EAGLE SLT (PST-2MEG) 7.3 8.3 8.7 8.0 7.0 6.3 6.3 6.7 6.7 6.0 6.3 6.7 6.7 6.3 PERFORMANCE (NAI-PR5) 8.0 7.7 8.3 8.3 7.0 6.3 6.0 6.0 6.0 6.0 5.7 6.0 6.7 6.0 PPG-PR 610 8.0 8.0 8.3 7.7 7.0 6.3 5.3 6.0 6.0 6.3 6.0 6.3 6.0 7.0 PPG-PR 639 8.0 8.0 8.3 7.7 7.3 6.7 6.3 6.0 5.7 5.7 6.0 6.3 7.0 6.3 PPG-PR 663 7.7 8.3 9.0 8.3 7.7 6.0 6.0 5.0 5.7 5.3 5.3 5.7 5.7 5.0 PPG-PR 668 8.0 8.7 8.7 8.0 7.7 7.0 6.3 6.7 6.3 6.7 6.3 6.3 7.7 6.3 SGP4 8.0 8.3 8.7 8.7 7.0 6.0 6.3 6.0 6.0 6.0 6.0 6.3 6.7 6.5 ALPHA CENTAURI 8.0 8.3 8.3 7.7 7.0 6.3 6.3 6.7 6.0 6.3 6.3 6.0 6.7 5.7 BRIGHTSTAR SLT 7.0 7.7 8.3 7.7 7.0 6.3 6.3 6.3 6.3 6.0 6.0 6.3 6.3 6.0 DLF-PR-3737 7.7 8.3 8.0 7.7 7.3 6.0 6.3 6.3 6.3 5.7 6.0 6.0 5.7 6.0 GO-RUS21 8.0 8.7 8.0 7.7 7.0 6.3 6.0 5.7 5.7 5.7 5.7 6.0 5.3 5.7 NEXUS DK (SE-DK) 7.3 8.0 7.7 7.7 7.0 6.0 5.7 5.0 5.3 5.7 5.3 5.7 6.0 6.3 PPG-PR 647 7.7 8.0 7.7 8.0 7.0 6.0 5.3 6.0 6.0 6.0 6.0 6.0 6.3 5.5 PPG-PR 670 7.0 8.0 8.0 8.0 7.0 6.3 6.3 6.0 6.0 6.0 5.7 6.3 6.3 6.5 RELIC (PPG-PR 611) 8.3 8.7 9.0 7.5 7.3 6.0 6.0 5.0 5.3 5.7 5.3 5.3 6.7 6.0 VORTEX SRT (PPG-PR 665) 8.7 8.3 8.3 8.0 7.3 6.3 6.3 7.3 6.3 6.3 6.3 6.7 7.0 6.3 BAR LP 22191 7.3 8.3 8.0 7.7 7.0 6.3 5.7 5.7 5.7 5.7 5.7 5.7 6.3 5.7 BAR LP 22262 7.7 8.0 8.3 7.0 7.0 6.0 5.7 5.7 5.7 5.7 5.7 5.7 6.0 5.7 DLF-PR-3735 7.3 7.7 8.7 8.3 7.0 6.3 6.3 6.0 6.3 6.0 5.7 6.0 6.3 6.3 LIGHTSPEED (PST-2DRG) 8.0 8.0 8.3 8.0 7.0 6.0 5.7 6.7 6.0 5.7 5.7 6.3 6.3 6.0 LTP-RPP4 8.0 8.3 8.3 8.0 7.0 6.0 5.3 6.3 6.0 5.7 6.0 6.3 6.3 4.5 PPG-PR 661 7.7 8.7 8.7 8.3 7.0 6.3 6.0 6.3 6.0 6.0 6.0 7.0 7.3 7.0 ULTRA SPORT (PST-2HAF20) 8.3 9.0 8.0 8.0 7.3 6.3 6.0 6.0 6.3 6.0 6.7 6.7 6.7 5.7 BAR LP 22263 8.0 8.7 8.3 8.7 7.7 6.3 6.7 6.3 6.7 6.0 6.0 6.3 6.0 6.0 PST-2HFM 8.3 8.7 8.3 8.7 8.0 6.3 6.3 6.3 6.3 6.0 6.3 6.7 7.0 7.0 DARK MATTER 7.7 8.0 8.3 7.7 7.3 7.0 6.0 6.7 6.3 5.7 5.3 6.0 6.7 6.0 20PR10 7.3 8.0 8.3 7.7 7.0 6.0 6.0 5.7 5.3 5.3 5.7 6.3 6.0 5.7 CJP1R 7.3 7.7 8.0 7.7 7.0 6.0 6.0 5.7 5.3 5.7 5.3 5.0 5.7 5.0 DLF-PR-3726 7.7 8.3 8.3 7.3 7.0 6.0 6.3 6.3 6.0 5.3 6.0 6.3 6.3 5.7 DLF-PR-3727 8.0 8.0 7.7 7.7 7.3 6.0 6.0 6.3 6.0 5.7 6.0 6.0 6.3 6.7 DLF-PR-3730 8.0 8.3 8.3 8.3 7.7 6.7 6.3 6.0 6.0 6.7 6.3 6.7 6.7 6.3 DLF-PR-3736 8.3 8.3 8.7 8.3 7.3 6.7 6.0 6.7 6.3 6.0 6.3 6.7 6.7 7.0 ELEKTRA GLR (PPG-PR 671) 8.3 8.3 8.7 8.0 7.3 6.0 5.3 6.7 6.0 6.0 6.0 5.7 6.7 7.0 GREENBACK 8.0 8.3 8.7 8.0 7.0 6.0 6.0 6.0 5.7 6.3 6.3 6.3 6.7 5.7 KARMA 8.0 8.0 8.3 8.0 7.0 6.0 5.7 5.7 5.7 5.0 5.7 5.7 6.3 6.0 PPG-PR 646 7.7 8.0 8.3 7.7 7.0 6.0 6.0 6.3 6.0 5.7 6.0 6.3 6.3 6.0 PPG-PR 664 8.0 8.7 8.7 8.3 7.3 6.7 5.3 7.0 7.0 6.3 6.0 6.7 6.7 6.0 PPG-PR 666 8.0 8.7 8.7 7.7 7.7 6.7 6.0 6.3 6.0 6.7 6.0 6.7 6.7 6.0 PST-2ADS 8.0 8.0 8.7 7.5 7.0 6.0 6.3 6.3 6.0 6.3 6.0 6.3 5.7 5.3 PST-2GDS 7.7 8.0 8.0 8.3 7.0 6.7 6.0 6.0 6.0 6.3 6.0 6.7 6.0 6.0 PST-2MES1 8.0 8.7 8.3 8.0 7.0 6.3 6.3 6.3 6.0 6.3 6.3 6.7 6.7 6.7 PPG-PR 637 8.0 8.3 8.3 7.3 7.3 6.3 6.0 5.7 5.7 6.0 5.3 5.7 6.7 6.3 PPG-PR 662 7.7 8.0 8.3 7.3 7.0 6.0 5.7 5.7 5.7 5.7 6.0 6.0 6.7 6.3 PPG-PR 667 8.0 8.3 8.3 7.7 7.7 6.3 6.0 6.7 6.0 6.3 6.0 6.7 7.3 6.7 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DENSITY RATINGS FOR THE CONTROL NAME FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS PS4 8.0 8.0 9.0 7.5 7.3 6.3 6.3 6.0 6.0 5.7 6.0 6.3 6.7 5.3 APS 8.0 8.3 8.3 7.7 7.3 6.0 6.0 6.3 5.7 6.3 6.0 6.0 6.7 6.3 GO-RUS20 7.3 8.0 8.3 8.0 8.0 6.7 6.3 6.7 6.3 6.0 6.0 6.3 7.3 6.7 MRSL-PR22 7.7 8.0 8.0 7.0 7.0 6.0 5.3 4.0 4.3 4.3 4.7 4.5 5.0 4.7 PPG-PR 602 8.3 8.0 7.7 7.3 7.0 6.0 5.7 6.3 6.0 6.0 5.7 5.7 6.7 6.3 PPG-PR 643 8.0 8.0 8.3 8.3 7.7 6.0 6.0 6.0 5.7 5.7 6.0 6.0 6.3 5.7 PST-2BGL 8.0 8.7 8.7 8.3 7.0 6.0 6.0 6.3 6.0 6.0 6.0 6.3 7.0 6.0 SUNDOWN (BY-PS2) 7.7 8.7 8.0 8.0 7.0 6.0 5.3 5.7 6.0 5.7 5.3 6.0 6.0 5.5 PST-2SPF 8.0 8.0 8.7 8.0 7.0 6.0 5.3 5.7 5.7 5.7 5.7 6.3 8.0 8.0 BAR LP 22174 7.7 8.0 8.7 7.7 7.0 6.0 6.0 6.0 6.0 6.0 6.0 6.0 6.7 6.0 DLF-PR-3738 8.3 8.3 8.3 7.7 7.0 6.3 5.7 6.0 6.0 5.7 5.7 6.3 6.3 6.0 HIGH OCTANE 7.7 8.3 8.3 8.0 7.3 6.3 6.0 6.3 6.0 6.0 6.0 6.3 7.0 6.3 PPG-PR 644 8.0 8.7 8.3 7.5 7.0 6.0 6.0 6.0 6.0 6.0 6.0 6.3 6.0 6.7 LTP-NR 7.7 8.0 8.3 8.0 7.0 6.0 5.7 5.7 5.7 5.3 5.7 5.3 6.0 5.7 PPG-PR 606 8.3 8.3 7.7 8.0 7.0 6.0 6.0 6.0 6.0 6.0 6.3 6.0 6.0 6.3 PPG-PR 642 8.0 8.0 8.3 8.5 7.3 6.0 5.7 6.0 6.3 6.0 6.0 6.3 7.0 6.0 PST-2EGY 7.3 7.7 8.0 8.0 7.0 6.0 6.0 6.3 6.3 6.3 6.3 6.7 6.3 6.3 PVF-SGS5 8.0 8.3 8.3 7.3 7.0 6.0 6.0 5.7 5.7 5.7 6.0 6.3 5.7 5.7 SILETZ 8.0 8.3 8.0 7.7 7.3 6.0 6.3 6.0 6.0 6.0 6.0 6.3 6.7 6.3 DLF-PR-3728 7.7 8.3 8.3 7.7 7.3 6.3 6.0 7.0 6.7 6.3 6.3 6.3 6.3 6.3 PISTON 7.7 8.0 8.3 8.0 7.0 6.0 6.3 5.7 5.7 5.3 5.7 6.0 6.0 6.0 QUASAR 7.7 7.7 8.3 7.7 7.3 6.0 6.0 6.0 6.0 5.7 5.7 6.0 7.0 6.7 STELLAR 4GL 8.0 8.0 8.0 7.7 7.0 6.0 6.3 5.7 5.7 5.3 6.0 6.3 7.0 6.3 HOMERUN LS 8.0 8.3 8.7 7.7 7.7 6.0 6.0 5.7 5.7 5.3 6.0 6.0 6.7 6.7 PVF-RPP2 7.7 7.7 8.3 7.3 7.0 6.0 6.0 5.7 5.3 5.3 5.0 5.3 6.7 7.0 RPP3 8.0 8.0 8.3 7.3 7.0 6.0 6.0 6.3 6.0 5.7 5.7 5.7 6.7 7.0 BSG-PR22 8.0 7.7 8.3 7.3 7.0 6.0 5.7 5.7 5.7 5.7 5.3 5.7 5.7 5.0 DLF-PR-3729 7.3 8.0 8.3 7.7 7.0 6.3 5.7 6.3 6.0 6.0 5.3 6.0 6.0 5.5 PROMINENT II (TSC-CRS) 7.3 7.3 8.0 7.3 7.0 6.0 6.0 5.3 5.7 6.0 6.0 5.7 6.7 5.7 SEPR-2013 7.3 8.0 8.7 8.0 7.3 6.0 6.0 6.3 6.0 6.0 6.0 6.7 6.0 5.0 PPG-PR 658 8.0 8.0 8.0 7.3 7.0 6.3 6.0 6.3 6.7 6.3 6.0 5.7 7.7 6.7 FLIGHTLINE (PST-214) 8.3 8.3 8.7 7.7 7.0 6.0 6.0 6.0 6.0 5.3 5.3 5.0 6.0 6.3 PST-2E6 7.3 8.3 8.3 8.3 7.0 6.0 6.0 7.3 6.3 7.0 6.3 6.7 6.7 5.7 RC20-02O 8.0 8.3 8.3 7.7 7.0 6.0 6.0 6.0 6.0 6.0 6.0 6.3 6.7 5.7 LINN 7.7 8.0 7.3 7.5 7.0 6.0 5.0 5.0 5.3 5.0 4.3 5.0 5.3 4.7 PPG-PR 620 8.3 8.7 8.7 8.3 7.3 6.7 6.3 6.0 6.0 6.3 6.0 6.3 7.0 6.7 LSD VALUE 2.5 1.2 1.1 2.3 0.8 1.5 2.1 1.5 1.8 1.6 1.5 2.6 1.7 1.9 C.V. (%) 7.7 5.7 5.3 7.9 4.8 6.8 9.1 11.1 9.8 10.4 9.6 11.8 11.1 12.9 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. 3/ ENTRIES WERE FIRST ESTABLISHED IN THE GREENHOUSE FOR A PERIOD OF 60 DAYS, THEN MAINTAINED AT THE LOWEST SALINITY LEVEL (6 ds/m) FOR A PERIOD OF 1 MONTH FOR DATA COLLECTION. SALINITY WAS THEN INCREASED TO 10 ds/m FOR A MONTH AND DATA COLLECTED AS BEFORE. THIS PROCESS WAS CONTINUED, INCREASING THE SALINITY LEVEL EACH MONTH TO 14, 18 AND THEN 22 ds/m. CONTROL POTS WERE ALSO EVALUATED FOR EACH SALINITY LEVEL SUCH THAT A PERCENT OF CONTROL RESPONSE COULD BE CALCULATED FOR SOME RATINGS. TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DENSITY RATINGS FOR THE SALT TREATMENT NAME FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS DLF-LGT-3066 6.3 7.7 7.7 7.0 7.0 6.0 6.0 5.7 5.7 5.7 5.0 4.7 4.7 4.3 BAR LP 22256 8.3 8.7 8.3 8.0 7.0 6.0 5.7 5.3 5.3 5.7 4.7 4.7 4.7 4.0 GO-RUS22 8.0 8.3 8.3 7.7 8.0 6.3 6.3 6.7 5.7 5.7 5.3 5.0 5.0 5.0 GRAY EAGLE SLT (PST-2MEG) 8.0 8.0 8.3 7.7 7.0 6.0 6.7 6.0 5.3 4.7 4.7 4.7 5.3 5.0 PERFORMANCE (NAI-PR5) 8.0 8.3 8.7 7.7 7.0 6.0 6.3 6.0 5.3 4.7 5.3 5.0 5.0 5.3 PPG-PR 610 8.0 8.3 8.7 8.0 7.7 6.0 6.3 5.7 5.7 5.3 5.0 5.0 5.0 5.0 PPG-PR 639 8.0 8.3 8.7 8.3 7.3 6.0 6.3 6.0 5.7 5.7 4.7 5.0 5.0 4.3 PPG-PR 663 8.3 8.7 8.7 7.7 7.0 6.0 5.3 5.7 5.3 5.0 5.0 4.7 5.0 4.7 PPG-PR 668 8.3 8.3 9.0 8.3 7.3 6.0 6.3 5.7 5.7 5.7 5.3 5.0 5.3 5.3 SGP4 8.0 8.0 8.7 7.7 7.3 6.0 6.0 5.7 5.7 5.7 4.7 5.0 5.3 4.3 ALPHA CENTAURI 7.3 7.3 8.0 7.3 7.7 6.0 6.0 5.3 5.0 5.0 4.3 4.3 4.3 4.3 BRIGHTSTAR SLT 7.3 7.7 8.7 7.3 7.0 6.0 6.0 5.7 5.3 4.0 5.0 4.7 5.3 4.3 DLF-PR-3737 7.7 8.0 8.3 7.3 7.0 6.0 6.3 6.0 5.3 5.3 5.0 4.7 5.3 4.7 GO-RUS21 8.7 8.7 8.7 8.0 7.3 6.0 6.0 6.0 5.7 5.7 5.3 5.0 5.0 5.0 NEXUS DK (SE-DK) 7.0 7.7 8.0 7.0 7.0 6.0 5.7 5.3 5.3 5.0 4.7 4.7 4.3 4.3 PPG-PR 647 8.0 7.7 8.7 7.3 7.0 6.0 6.0 5.7 5.0 5.3 5.0 4.3 5.0 4.7 PPG-PR 670 7.7 8.3 8.3 7.7 7.0 6.0 5.7 5.3 5.0 4.3 4.3 4.3 4.3 4.3 RELIC (PPG-PR 611) 8.3 8.7 8.7 7.3 7.0 6.0 6.0 5.0 5.0 5.0 4.7 4.3 5.0 4.3 VORTEX SRT (PPG-PR 665) 8.3 8.7 8.0 7.7 7.0 6.0 6.0 6.0 5.3 5.7 5.0 5.0 5.3 5.0 BAR LP 22191 8.0 8.3 8.3 7.0 7.0 6.0 6.0 6.0 6.0 5.7 5.0 5.0 5.3 4.7 BAR LP 22262 7.3 7.0 8.0 7.0 6.7 5.7 5.7 5.3 5.0 5.0 4.7 4.3 5.0 4.0 DLF-PR-3735 8.0 8.3 8.0 7.7 7.0 6.0 5.7 5.3 5.3 5.0 5.0 5.0 5.0 4.3 LIGHTSPEED (PST-2DRG) 8.3 8.7 8.7 7.3 7.0 6.0 6.0 5.7 5.3 4.7 5.3 5.0 5.0 5.0 LTP-RPP4 8.0 8.3 8.7 7.7 7.3 6.0 6.0 5.7 5.3 5.3 5.0 4.7 5.0 4.7 PPG-PR 661 8.3 8.3 9.0 8.0 7.0 6.0 5.7 6.0 5.3 5.7 4.7 4.7 5.0 4.7 ULTRA SPORT (PST-2HAF20) 8.0 8.3 8.3 8.0 7.3 6.0 5.7 5.7 5.0 5.7 4.7 5.0 4.7 4.3 BAR LP 22263 8.0 8.0 8.7 7.3 7.0 6.0 6.3 5.7 5.3 5.0 5.0 4.7 5.0 4.3 PST-2HFM 8.0 8.0 8.7 7.7 7.3 6.0 6.3 5.3 5.3 4.7 5.0 4.7 5.0 4.3 DARK MATTER 7.7 7.7 8.7 7.3 7.0 6.0 6.0 5.7 5.3 5.0 4.7 4.7 5.0 4.7 20PR10 8.0 8.0 8.7 8.0 7.0 6.0 5.3 5.0 5.0 4.7 4.7 4.3 4.7 4.0 CJP1R 7.7 8.0 8.0 7.0 7.0 6.0 5.7 5.3 4.7 4.7 4.7 4.7 4.3 4.0 DLF-PR-3726 8.3 8.3 8.7 7.7 7.3 6.0 6.0 5.7 5.7 5.7 4.7 4.7 5.7 4.3 DLF-PR-3727 8.7 7.7 8.3 7.7 7.0 6.3 5.7 5.7 5.7 5.7 4.7 4.3 5.0 4.7 DLF-PR-3730 7.7 8.7 8.7 8.0 7.7 6.3 6.0 6.0 5.7 5.7 5.0 5.0 5.3 5.7 DLF-PR-3736 8.0 8.7 8.7 8.0 7.7 6.3 6.0 6.0 5.3 5.7 5.3 5.0 5.0 5.0 ELEKTRA GLR (PPG-PR 671) 8.0 8.3 8.7 8.0 7.0 6.0 6.3 6.0 5.7 5.0 4.7 4.7 5.0 5.0 GREENBACK 8.0 8.3 8.7 7.7 7.3 6.0 5.7 5.7 5.3 5.3 4.7 5.0 4.7 4.3 KARMA 8.0 8.3 8.7 7.7 7.3 6.0 6.0 5.7 5.0 5.7 5.0 5.0 5.0 4.7 PPG-PR 646 7.7 8.0 8.3 7.7 7.3 6.0 6.0 5.3 5.3 4.7 4.7 4.7 5.0 4.7 PPG-PR 664 8.0 8.3 8.7 8.0 7.3 6.0 6.0 6.0 5.3 5.7 5.3 5.0 5.3 5.0 PPG-PR 666 8.0 8.0 8.3 7.7 7.3 6.0 6.3 5.7 5.3 5.3 4.7 4.7 4.7 5.0 PST-2ADS 8.0 8.0 8.3 7.3 7.3 6.3 5.7 5.7 5.0 6.0 5.0 4.7 4.3 4.3 PST-2GDS 8.3 8.0 7.3 7.3 7.0 6.0 5.3 5.3 5.0 4.7 4.3 4.3 4.3 4.0 PST-2MES1 8.3 8.7 8.7 8.0 7.3 6.0 6.0 5.7 5.7 5.3 4.7 4.7 5.0 4.7 PPG-PR 637 8.0 8.0 8.7 7.3 7.0 6.0 6.3 6.0 5.7 5.3 5.3 5.0 5.0 4.7 PPG-PR 662 8.0 8.7 8.3 7.7 7.7 6.0 6.3 6.0 5.7 5.7 5.0 5.3 5.0 4.7 PPG-PR 667 8.3 8.3 8.7 7.7 7.3 6.3 7.0 6.3 6.0 5.7 5.3 5.3 5.3 4.3 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ DENSITY RATINGS FOR THE SALT TREATMENT NAME FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS PS4 7.3 8.3 8.3 7.7 7.3 6.0 6.3 5.7 5.7 5.7 5.0 5.0 5.0 4.7 APS 8.0 8.3 8.7 7.7 7.0 6.0 6.3 6.0 5.3 4.0 5.0 4.7 4.7 5.3 GO-RUS20 8.3 8.0 8.3 7.3 7.0 6.0 5.7 6.0 5.3 4.7 5.7 5.0 5.0 4.7 MRSL-PR22 7.3 7.7 7.7 7.3 7.0 6.0 5.7 4.7 4.7 4.3 3.7 4.0 4.0 4.0 PPG-PR 602 8.0 8.0 8.3 7.3 7.0 6.0 6.3 5.3 5.0 5.0 5.0 4.7 4.3 4.7 PPG-PR 643 8.0 8.0 8.3 7.7 7.3 6.0 6.3 5.7 5.3 5.0 5.0 4.3 5.3 4.7 PST-2BGL 7.7 8.7 8.7 8.0 7.7 6.0 6.0 6.0 5.3 5.0 4.7 5.0 5.0 4.3 SUNDOWN (BY-PS2) 8.0 8.0 9.0 7.7 7.7 6.0 6.0 5.7 5.3 5.3 5.0 4.7 5.3 4.0 PST-2SPF 8.0 8.0 8.7 7.3 7.7 6.0 6.0 5.7 5.3 5.7 5.0 4.7 5.0 4.7 BAR LP 22174 8.0 8.3 9.0 7.7 7.0 6.0 5.7 5.7 5.0 5.0 4.7 4.3 4.7 4.3 DLF-PR-3738 7.3 7.7 8.3 8.0 7.3 6.0 6.0 5.7 5.3 5.3 5.0 4.3 5.0 4.3 HIGH OCTANE 7.7 8.0 8.3 7.3 7.0 6.0 5.7 5.3 5.3 5.0 4.3 4.3 4.0 4.3 PPG-PR 644 8.0 8.3 8.3 7.3 7.0 6.0 6.3 5.7 5.3 5.0 5.3 5.0 5.0 5.0 LTP-NR 7.7 8.3 8.3 7.7 7.3 6.0 5.7 5.3 4.7 4.7 4.3 4.7 4.7 4.0 PPG-PR 606 8.3 8.0 8.7 7.7 7.3 6.0 6.0 5.3 5.3 5.0 4.7 4.7 4.7 4.0 PPG-PR 642 8.0 8.3 9.0 7.3 7.0 6.0 6.0 5.7 5.0 5.3 4.3 4.3 5.0 4.3 PST-2EGY 8.0 8.0 8.7 8.0 7.3 6.0 6.0 5.7 5.7 5.7 5.0 4.7 5.3 4.7 PVF-SGS5 8.3 8.0 8.7 8.3 7.3 6.0 6.0 6.0 5.3 5.0 5.0 5.0 4.7 5.0 SILETZ 8.0 8.7 8.7 7.7 7.3 6.0 5.7 5.7 5.7 5.3 5.0 5.0 5.0 4.7 DLF-PR-3728 7.7 8.7 8.7 7.7 7.0 6.0 5.7 6.0 5.3 4.0 4.3 5.0 5.3 5.0 PISTON 7.7 7.7 8.3 8.0 7.0 6.0 6.0 5.7 5.0 4.7 5.0 4.3 5.3 4.7 QUASAR 7.3 7.7 8.7 7.3 7.3 6.0 6.3 5.7 5.3 4.3 4.3 4.0 4.3 4.7 STELLAR 4GL 8.0 8.0 9.0 7.7 7.3 6.0 6.3 6.0 6.0 5.7 5.3 5.0 5.7 5.7 HOMERUN LS 8.0 8.3 8.3 7.3 7.0 6.0 5.3 5.7 5.3 4.7 4.3 4.7 4.3 4.3 PVF-RPP2 7.7 7.7 8.0 7.7 7.0 6.0 5.3 5.3 5.0 5.0 5.0 4.3 5.0 4.7 RPP3 8.0 7.7 8.7 7.7 7.3 6.0 5.7 5.7 5.7 5.7 5.0 5.0 5.3 5.0 BSG-PR22 8.0 8.0 8.0 7.7 7.0 5.7 5.7 5.0 5.0 4.7 4.3 4.3 4.3 4.0 DLF-PR-3729 7.7 8.0 8.3 7.0 7.3 6.0 5.7 5.7 5.0 5.0 4.7 4.7 4.7 4.3 PROMINENT II (TSC-CRS) 7.7 8.0 7.7 7.3 7.0 6.0 5.3 4.7 4.7 4.3 4.0 4.0 4.0 3.3 SEPR-2013 7.7 8.3 8.7 7.7 7.3 6.3 6.0 5.7 5.0 5.7 5.3 5.0 5.3 4.7 PPG-PR 658 8.3 8.7 8.7 8.0 7.3 6.0 6.3 6.0 5.3 4.0 5.0 5.0 5.3 4.3 FLIGHTLINE (PST-214) 8.0 8.0 8.7 7.3 7.3 6.0 5.7 5.7 5.7 4.0 5.0 5.0 5.0 5.0 PST-2E6 8.0 8.0 8.3 7.7 7.0 5.7 5.7 5.0 4.7 4.3 4.3 4.3 4.3 4.0 RC20-02O 8.3 8.7 8.3 8.0 7.3 6.0 6.3 6.0 5.0 5.0 4.7 4.3 4.7 4.3 LINN 7.3 7.3 8.0 6.7 6.7 6.0 5.7 5.3 4.7 4.7 3.7 4.0 4.0 4.0 PPG-PR 620 8.3 8.0 8.3 7.0 7.3 5.7 5.7 4.7 4.7 4.3 4.0 4.0 4.0 3.5 LSD VALUE 1.0 1.8 1.4 1.2 1.7 0.8 1.8 1.2 2.2 2.1 1.3 1.3 1.4 2.0 C.V. (%) 6.0 7.0 5.7 6.3 5.9 3.4 8.9 8.8 10.4 14.9 11.1 10.0 11.6 14.2 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. 3/ ENTRIES WERE FIRST ESTABLISHED IN THE GREENHOUSE FOR A PERIOD OF 60 DAYS, THEN MAINTAINED AT THE LOWEST SALINITY LEVEL (6 ds/m) FOR A PERIOD OF 1 MONTH FOR DATA COLLECTION. SALINITY WAS THEN INCREASED TO 10 ds/m FOR A MONTH AND DATA COLLECTED AS BEFORE. THIS PROCESS WAS CONTINUED, INCREASING THE SALINITY LEVEL EACH MONTH TO 14, 18 AND THEN 22 ds/m. CONTROL POTS WERE ALSO EVALUATED FOR EACH SALINITY LEVEL SUCH THAT A PERCENT OF CONTROL RESPONSE COULD BE CALCULATED FOR SOME RATINGS. TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT LEAF FIRING-CONTROL NAME FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS DLF-LGT-3066 0.3 0.7 0.7 1.3 3.7 12.3 30.7 23.7 12.7 12.3 8.3 9.7 8.0 10.0 BAR LP 22256 0.7 0.7 0.7 1.3 4.7 15.3 26.7 17.3 10.7 5.7 6.0 8.0 7.7 12.7 GO-RUS22 1.3 0.7 1.3 2.7 5.7 14.0 30.3 27.7 18.0 18.3 13.3 21.3 9.3 10.3 GRAY EAGLE SLT (PST-2MEG) 0.0 0.7 0.7 1.7 4.3 11.3 17.7 13.3 6.7 3.3 5.3 7.0 4.3 10.3 PERFORMANCE (NAI-PR5) 0.7 1.0 0.0 2.3 5.3 12.3 21.7 17.0 11.3 7.3 8.0 10.0 5.0 11.0 PPG-PR 610 0.7 0.7 1.3 2.3 4.3 12.7 31.3 17.3 10.0 6.0 5.7 7.0 4.3 11.0 PPG-PR 639 1.3 1.7 1.3 2.7 5.3 15.7 33.7 25.0 17.3 15.3 13.0 12.3 5.0 7.3 PPG-PR 663 0.7 0.0 1.3 1.3 3.3 14.0 31.0 41.0 38.0 32.7 35.3 27.0 19.0 12.3 PPG-PR 668 0.7 0.0 0.0 2.3 4.0 12.0 16.7 14.3 12.7 9.3 10.3 15.3 8.0 11.3 SGP4 1.0 0.7 0.0 1.7 5.0 12.7 27.0 22.3 10.3 5.3 4.7 7.3 4.3 10.3 ALPHA CENTAURI 0.3 0.0 0.0 1.3 3.3 11.0 16.0 12.7 7.3 4.3 4.3 5.3 6.3 12.7 BRIGHTSTAR SLT 0.7 0.0 1.3 2.0 4.3 13.0 19.0 13.0 8.3 7.7 8.0 9.3 5.3 10.3 DLF-PR-3737 0.3 1.0 1.3 2.0 4.3 13.7 20.3 16.0 10.3 10.0 8.3 32.0 5.0 9.0 GO-RUS21 0.0 0.7 0.0 2.3 4.0 12.3 32.3 32.0 25.7 22.7 12.7 13.0 5.3 10.7 NEXUS DK (SE-DK) 0.7 0.7 1.3 2.7 4.7 15.0 38.7 32.7 23.3 23.7 16.7 15.7 5.7 11.3 PPG-PR 647 1.0 0.7 0.7 2.0 4.7 13.7 29.0 16.0 10.0 6.0 9.3 10.7 4.7 9.3 PPG-PR 670 0.7 0.7 0.0 1.7 3.0 7.3 20.7 16.7 16.0 15.7 10.7 12.0 6.7 11.7 RELIC (PPG-PR 611) 0.7 0.7 0.0 2.7 4.7 15.0 30.0 29.0 21.7 19.3 10.0 11.3 5.0 7.3 VORTEX SRT (PPG-PR 665) 0.0 0.0 0.0 2.0 4.0 9.7 39.0 13.3 8.7 4.0 6.0 9.3 6.0 12.0 BAR LP 22191 1.0 0.0 4.0 2.0 4.3 9.0 22.0 26.0 23.7 17.0 10.7 8.0 7.3 11.0 BAR LP 22262 1.3 2.0 1.3 2.3 5.0 16.0 39.3 19.7 12.0 10.3 9.0 9.3 6.7 12.7 DLF-PR-3735 0.3 0.0 0.0 1.3 3.3 11.3 21.3 18.3 9.7 10.3 9.7 9.7 6.7 8.7 LIGHTSPEED (PST-2DRG) 0.0 0.7 0.0 2.3 4.7 13.0 21.0 18.7 9.3 6.0 9.3 9.0 7.0 12.3 LTP-RPP4 0.0 0.0 0.0 2.0 4.3 15.3 15.0 14.3 7.7 6.0 6.0 7.7 4.3 13.3 PPG-PR 661 1.0 0.7 0.7 2.7 5.0 17.3 26.3 22.3 15.0 15.0 10.7 14.7 8.7 7.7 ULTRA SPORT (PST-2HAF20) 0.3 0.0 0.7 1.7 3.7 12.7 20.0 13.3 6.7 4.3 4.3 8.0 5.7 11.0 BAR LP 22263 0.3 0.7 1.3 1.7 3.7 11.3 18.0 16.0 12.3 10.7 10.3 15.3 9.3 10.7 PST-2HFM 0.7 0.7 0.7 2.7 4.3 12.3 24.0 15.7 10.0 8.3 7.3 10.7 4.3 8.3 DARK MATTER 0.7 0.0 1.0 1.0 5.3 11.7 16.0 19.3 13.7 12.7 9.0 12.0 17.0 11.3 20PR10 1.0 1.7 1.3 2.7 5.7 18.0 30.0 16.7 12.7 7.7 6.3 8.7 7.3 9.3 CJP1R 0.7 1.0 0.7 2.3 4.3 18.0 32.7 26.0 16.3 19.0 13.3 12.3 9.0 13.3 DLF-PR-3726 0.7 0.0 0.7 2.3 4.0 11.7 23.7 13.3 9.0 6.7 7.7 8.0 6.7 9.0 DLF-PR-3727 0.0 0.0 0.0 1.7 3.7 12.0 19.7 23.0 10.7 7.0 7.0 8.7 6.0 7.3 DLF-PR-3730 1.0 0.7 1.3 2.7 3.3 11.0 21.0 21.7 11.0 5.3 4.3 6.7 3.3 8.3 DLF-PR-3736 0.7 0.0 0.7 1.7 5.0 14.3 29.7 23.0 16.3 15.0 11.7 14.3 7.0 9.3 ELEKTRA GLR (PPG-PR 671) 0.3 1.7 0.7 2.0 4.3 14.0 50.7 30.7 12.7 10.3 10.0 10.7 6.0 9.0 GREENBACK 0.3 0.7 0.7 2.0 4.7 14.0 30.3 24.0 16.3 7.0 7.3 6.0 5.3 11.7 KARMA 1.0 0.7 1.3 2.3 5.0 16.3 34.3 25.3 20.7 21.3 17.7 18.7 8.3 8.3 PPG-PR 646 1.0 0.0 1.0 3.0 4.7 13.7 32.3 25.3 17.7 13.0 12.3 12.7 9.7 10.0 PPG-PR 664 0.3 0.0 0.0 0.0 4.3 11.3 17.3 11.0 7.0 6.0 6.3 9.0 5.0 10.7 PPG-PR 666 0.7 0.7 0.7 2.0 4.3 13.0 20.0 15.7 10.0 5.3 5.3 7.0 4.7 9.7 PST-2ADS 1.0 1.7 1.3 2.3 6.0 15.7 24.0 14.0 7.7 5.3 5.0 6.7 8.7 17.7 PST-2GDS 1.0 1.0 0.7 2.3 4.3 11.0 21.3 15.0 9.7 6.0 5.7 7.3 4.3 12.0 PST-2MES1 0.3 0.0 0.0 1.7 4.3 11.0 22.7 19.7 15.0 10.7 8.7 9.0 7.3 9.3 PPG-PR 637 0.7 0.0 0.7 1.3 4.3 15.3 19.7 19.0 11.3 11.0 7.7 11.0 4.7 7.7 PPG-PR 662 0.7 1.0 0.0 2.7 4.0 13.0 24.7 19.7 14.0 6.3 6.7 8.7 4.7 6.3 PPG-PR 667 0.0 0.0 0.0 0.7 4.0 10.0 13.0 13.7 7.3 6.3 7.7 7.3 4.7 8.3 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT LEAF FIRING-CONTROL 3/ NAME FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS PS4 0.7 0.7 0.0 1.3 5.0 12.3 16.7 12.7 8.3 4.0 5.3 8.7 4.0 7.7 APS 1.0 0.7 1.3 3.0 4.7 13.7 22.7 19.7 13.0 12.3 7.7 11.3 7.7 9.0 GO-RUS20 1.0 1.0 0.7 1.7 3.3 8.3 18.0 18.3 11.3 9.7 9.3 11.7 7.3 9.0 MRSL-PR22 1.0 0.7 0.7 2.7 6.0 21.7 59.3 54.7 46.3 37.0 24.0 20.7 8.0 9.7 PPG-PR 602 0.3 0.7 0.7 1.7 4.0 9.3 11.7 14.7 9.3 6.0 7.0 8.7 6.7 7.3 PPG-PR 643 0.3 0.0 0.7 1.7 3.7 15.3 23.7 18.7 13.7 11.7 8.3 10.3 6.3 9.7 PST-2BGL 0.7 0.0 0.7 2.7 4.7 13.7 21.0 16.0 10.0 8.7 6.7 7.3 6.0 11.7 SUNDOWN (BY-PS2) 0.7 0.7 0.7 2.0 4.7 16.0 41.3 30.0 17.0 13.7 11.3 16.0 7.0 10.7 PST-2SPF 0.3 0.0 1.3 2.3 5.0 15.0 31.0 17.7 12.3 7.3 6.7 7.3 2.7 5.3 BAR LP 22174 0.3 0.7 2.7 1.7 4.0 15.3 23.3 17.7 13.3 8.3 7.0 8.3 4.7 8.7 DLF-PR-3738 1.3 0.7 1.0 1.3 4.7 13.0 23.0 28.3 19.0 18.3 18.7 18.3 10.0 9.7 HIGH OCTANE 0.7 0.0 0.7 2.7 5.3 13.0 25.3 19.3 14.3 8.0 7.3 8.0 4.7 30.0 PPG-PR 644 0.7 0.0 0.7 2.0 5.3 13.0 22.7 14.7 11.3 9.7 7.7 10.7 5.7 7.7 LTP-NR 1.0 1.3 0.7 2.7 6.3 19.0 38.3 27.7 16.3 14.3 15.7 13.0 7.0 10.0 PPG-PR 606 0.7 0.0 0.7 2.7 4.3 13.3 30.7 16.3 10.0 6.0 5.0 7.3 6.7 11.0 PPG-PR 642 0.3 0.7 0.7 2.3 4.3 13.0 29.0 15.7 9.7 7.3 6.3 8.7 4.7 10.0 PST-2EGY 1.3 1.3 0.7 2.7 5.7 12.0 27.3 14.3 7.3 5.0 4.7 6.7 5.0 14.0 PVF-SGS5 1.0 1.7 0.7 1.7 5.3 14.7 25.3 24.7 17.0 9.0 5.3 7.7 7.0 9.0 SILETZ 0.7 0.7 0.7 2.3 3.7 10.7 29.0 17.7 7.7 3.7 5.7 6.3 4.7 10.7 DLF-PR-3728 0.7 0.7 0.7 1.7 3.0 11.0 19.7 11.0 7.3 5.0 5.7 8.7 8.7 15.0 PISTON 1.0 0.7 0.7 2.7 5.7 15.0 42.0 32.0 28.0 20.3 14.0 18.0 15.7 14.3 QUASAR 0.7 1.3 0.0 2.7 4.0 12.7 27.7 20.3 11.7 10.0 11.0 13.7 4.7 6.0 STELLAR 4GL 1.0 1.7 3.3 2.7 5.7 17.3 43.3 32.7 24.3 19.7 10.0 8.3 4.0 8.7 HOMERUN LS 0.3 0.0 0.0 2.3 4.7 20.0 42.0 36.3 17.3 10.7 8.3 12.3 6.3 8.3 PVF-RPP2 1.0 1.7 1.3 3.0 5.3 19.7 27.0 23.7 17.0 19.7 20.0 21.0 8.7 6.0 RPP3 0.0 1.7 0.0 2.0 4.7 11.3 19.3 17.3 14.0 8.7 10.3 11.7 5.3 7.3 BSG-PR22 0.3 0.7 0.7 1.0 4.0 9.7 29.3 26.7 17.3 8.7 5.7 6.3 6.7 11.0 DLF-PR-3729 1.0 0.7 0.7 1.7 4.0 14.3 24.3 22.7 16.3 16.3 15.7 16.3 13.0 11.3 PROMINENT II (TSC-CRS) 0.7 1.0 3.3 2.0 5.3 16.7 28.7 27.0 14.0 7.0 7.3 7.3 4.7 11.0 SEPR-2013 1.0 0.7 0.0 1.3 4.0 14.3 21.3 13.3 7.0 6.7 5.0 8.0 7.0 12.0 PPG-PR 658 1.0 1.3 0.7 2.7 4.3 12.0 22.0 14.7 10.0 5.3 6.7 6.3 3.7 8.0 FLIGHTLINE (PST-214) 0.3 0.7 0.7 3.0 4.3 13.0 22.7 21.0 14.3 13.7 12.7 10.3 6.3 6.7 PST-2E6 0.7 0.7 1.3 2.3 5.0 13.3 20.0 14.3 8.7 5.7 4.7 8.0 7.0 13.0 RC20-02O 0.3 1.0 0.7 2.3 5.0 15.3 22.7 15.3 11.3 5.3 7.0 7.7 5.0 10.0 LINN 1.3 0.7 1.3 2.7 13.0 21.0 56.3 34.7 29.3 23.0 15.3 13.3 7.3 14.7 PPG-PR 620 0.0 0.0 0.0 0.0 4.7 9.0 19.0 13.7 9.0 5.3 5.3 7.7 5.0 6.3 LSD VALUE 2.6 3.9 5.3 2.8 8.8 14.1 33.6 34.7 37.7 34.3 28.2 23.5 16.3 16.2 C.V. (%) 97.5 147.7 167.5 45.7 44.7 32.0 48.4 55.4 78.3 95.6 85.5 67.5 67.6 47.9 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. 3/ PERCENT LEAF FIRING RATINGS: 0 INDICATES NO LEAF FIRING TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT LEAF FIRING - FOR SALT TREATMENT NAME FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS DLF-LGT-3066 0.3 0.7 0.7 3.0 5.3 14.7 26.7 34.7 43.0 66.7 58.3 62.7 56.3 80.0 BAR LP 22256 0.7 0.7 0.0 2.0 4.0 12.0 27.7 44.3 56.0 76.7 81.3 83.0 69.0 85.3 GO-RUS22 0.7 0.7 0.0 3.0 6.0 12.0 25.0 32.3 51.0 58.0 72.7 83.7 71.7 88.0 GRAY EAGLE SLT (PST-2MEG) 0.7 0.7 0.7 3.3 5.7 20.7 39.7 45.3 55.3 59.3 69.7 73.7 79.3 75.7 PERFORMANCE (NAI-PR5) 0.7 1.0 1.7 3.7 5.7 21.7 43.7 54.0 73.0 83.7 77.0 84.0 78.0 83.7 PPG-PR 610 0.3 0.0 0.7 3.7 5.3 22.3 30.3 48.0 61.3 69.0 73.3 66.0 80.3 81.3 PPG-PR 639 0.7 0.7 0.0 2.3 5.0 22.0 35.0 40.7 82.7 59.7 68.3 70.3 72.0 89.0 PPG-PR 663 0.3 1.0 0.7 2.7 5.3 16.7 25.3 34.3 57.3 59.7 65.7 67.0 68.0 86.0 PPG-PR 668 0.7 0.7 0.0 3.3 4.3 14.0 33.3 45.0 62.7 71.3 83.0 84.7 80.7 85.3 SGP4 1.3 0.0 0.7 2.7 5.3 13.3 19.7 30.3 52.7 66.0 58.7 69.7 79.3 87.3 ALPHA CENTAURI 1.3 1.7 1.7 2.3 4.7 12.7 29.0 40.0 63.0 65.0 69.7 86.0 69.3 87.3 BRIGHTSTAR SLT 1.3 0.7 0.7 3.7 5.7 16.0 35.3 39.0 58.7 72.7 73.3 76.3 75.0 86.0 DLF-PR-3737 1.0 0.7 0.0 4.0 4.7 14.3 26.3 42.3 61.7 82.3 82.0 76.0 65.7 87.7 GO-RUS21 0.7 1.0 0.7 3.3 5.0 19.0 31.7 52.0 72.7 85.0 83.7 85.3 83.3 90.0 NEXUS DK (SE-DK) 0.7 0.7 2.0 3.0 6.0 18.0 33.3 44.7 49.3 70.3 72.3 66.0 79.0 90.0 PPG-PR 647 1.0 1.0 1.3 3.0 6.3 15.0 37.0 42.7 64.3 80.7 84.3 81.3 78.7 91.7 PPG-PR 670 1.0 0.7 0.7 3.7 6.0 22.7 40.0 55.0 66.7 71.3 78.3 76.7 80.7 88.0 RELIC (PPG-PR 611) 0.7 0.0 1.0 3.3 4.3 18.3 33.7 37.0 67.7 80.3 73.7 83.3 84.7 89.7 VORTEX SRT (PPG-PR 665) 1.0 0.0 0.7 3.0 4.0 15.0 33.0 39.7 57.0 63.0 68.0 72.3 80.7 91.5 BAR LP 22191 1.3 1.0 0.7 3.7 5.0 18.3 40.7 50.0 70.7 72.3 86.3 84.7 74.0 87.0 BAR LP 22262 1.3 0.7 2.0 3.0 5.3 20.7 31.3 39.0 57.3 62.0 71.3 59.3 66.7 79.3 DLF-PR-3735 1.0 0.0 0.0 2.3 5.3 22.3 32.0 44.7 62.3 68.7 78.7 77.3 82.3 90.3 LIGHTSPEED (PST-2DRG) 1.0 0.0 2.3 4.0 7.0 28.7 31.3 41.0 66.0 68.0 71.3 87.0 85.7 91.3 LTP-RPP4 0.7 1.0 0.0 2.3 5.7 19.0 35.0 54.3 83.3 87.7 89.3 88.7 85.0 91.3 PPG-PR 661 0.7 0.0 0.0 2.7 5.0 13.0 36.7 52.3 64.7 66.3 68.7 72.0 68.7 82.7 ULTRA SPORT (PST-2HAF20) 1.0 1.0 1.3 1.7 3.3 13.3 29.0 47.0 61.0 79.0 83.3 81.7 84.0 90.3 BAR LP 22263 1.0 1.7 1.7 2.7 5.7 15.0 26.3 33.0 52.0 56.0 71.3 63.3 76.7 80.3 PST-2HFM 0.7 0.0 0.7 3.0 5.7 35.7 48.0 54.3 62.0 69.3 75.7 85.3 82.7 86.0 DARK MATTER 0.3 1.0 1.3 3.3 5.0 24.0 42.7 62.7 65.0 84.0 77.0 77.3 80.0 91.3 20PR10 0.7 0.7 0.7 2.7 5.0 28.3 55.0 56.0 73.3 75.3 83.0 84.0 81.0 89.0 CJP1R 0.7 1.0 3.0 3.3 8.3 24.7 56.3 55.7 71.0 85.7 84.7 88.0 92.0 94.3 DLF-PR-3726 1.0 1.0 0.7 3.0 5.7 14.3 34.3 52.7 64.3 66.0 68.7 70.3 85.0 92.5 DLF-PR-3727 1.0 0.7 2.0 3.3 5.7 11.3 29.7 36.0 71.0 55.3 56.7 65.7 67.0 89.3 DLF-PR-3730 1.3 0.0 1.3 2.7 5.0 12.0 32.0 36.7 66.7 87.3 87.3 88.3 86.7 90.5 DLF-PR-3736 0.7 0.7 0.0 3.0 5.7 14.7 43.3 52.7 57.3 64.7 86.3 77.3 76.7 85.3 ELEKTRA GLR (PPG-PR 671) 1.0 1.0 1.7 4.0 6.0 24.7 30.7 40.0 65.0 82.7 85.7 88.7 83.0 91.3 GREENBACK 1.0 0.0 2.3 2.7 6.3 17.7 37.3 64.0 78.3 88.0 89.7 80.3 86.7 91.3 KARMA 0.3 0.7 0.7 2.3 4.7 16.0 39.7 52.0 72.0 81.3 80.3 77.3 84.7 90.0 PPG-PR 646 0.7 0.0 1.3 4.3 5.0 24.7 33.7 47.3 58.3 64.7 68.3 63.0 80.3 83.7 PPG-PR 664 0.7 0.0 2.3 3.3 3.7 22.0 46.0 66.7 71.7 76.3 78.7 80.3 77.0 83.0 PPG-PR 666 0.3 1.0 0.7 3.7 6.0 15.7 37.3 41.0 55.7 67.3 78.3 73.3 80.0 89.3 PST-2ADS 0.7 0.7 1.7 2.3 6.0 18.0 41.0 49.7 67.7 68.3 69.3 74.0 87.0 94.7 PST-2GDS 0.7 0.0 2.3 3.0 7.7 21.3 39.7 55.3 70.7 72.0 73.0 87.0 74.3 98.0 PST-2MES1 0.3 0.7 0.7 2.3 5.0 16.0 32.3 44.7 61.7 65.3 69.7 65.7 84.7 92.3 PPG-PR 637 0.3 0.0 0.7 3.3 4.3 17.0 30.3 40.0 61.0 84.0 82.0 81.3 70.7 84.7 PPG-PR 662 0.7 0.7 0.0 2.0 4.0 9.7 25.0 40.0 54.0 65.0 65.0 72.3 72.7 84.3 PPG-PR 667 1.0 1.0 0.7 2.7 4.7 11.3 29.3 42.0 53.0 44.3 53.3 57.3 63.0 84.7 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT LEAF FIRING - FOR SALT TREATMENT 3/ NAME FEB 17 FEB 24 MAR 6 MAR 15 MAR 20 MAR 29 APR 5 APR 14 APR 21 APR 28 MAY 5 MAY 10 MAY 22 JUN 2 6_dS 6_dS 6_dS 10_dS 10_dS 10_dS 14_dS 14_dS 14_dS 18_dS 18_dS 18_dS 22_dS 22_dS PS4 0.3 0.0 0.0 3.7 5.0 16.7 35.7 45.7 59.0 66.3 70.0 74.0 78.7 93.7 APS 0.7 0.7 1.0 3.3 6.7 19.3 41.3 51.7 69.7 75.7 85.3 88.3 87.3 93.3 GO-RUS20 1.0 1.0 2.3 4.7 11.7 31.0 47.0 56.3 65.3 71.0 77.0 84.7 86.3 89.7 MRSL-PR22 1.7 0.7 0.7 3.3 5.0 22.7 44.3 50.3 78.3 88.0 85.0 90.7 84.7 94.3 PPG-PR 602 0.7 0.0 1.7 3.0 5.7 13.0 37.3 46.7 64.0 82.3 86.0 91.3 88.7 91.7 PPG-PR 643 1.0 0.7 0.7 4.0 5.7 19.3 40.0 49.0 62.0 88.0 81.7 85.7 84.7 94.7 PST-2BGL 0.7 0.7 0.0 3.3 5.7 17.3 43.0 58.0 76.3 89.0 91.3 92.3 87.7 93.3 SUNDOWN (BY-PS2) 0.7 0.0 0.0 2.7 4.7 24.3 44.0 64.0 78.7 81.7 87.3 90.0 83.7 93.3 PST-2SPF 0.7 0.7 0.7 3.3 4.3 18.0 45.7 54.7 58.3 81.0 78.0 79.0 71.7 90.3 BAR LP 22174 0.7 1.0 0.7 3.0 4.0 25.3 54.3 66.0 68.7 77.3 83.0 89.7 89.0 90.3 DLF-PR-3738 1.0 0.7 0.7 2.0 4.3 17.7 30.7 53.0 67.0 75.3 75.7 88.7 86.7 95.7 HIGH OCTANE 0.7 0.7 0.0 3.0 7.7 30.7 48.0 64.0 77.3 80.0 84.7 89.7 86.7 92.0 PPG-PR 644 1.3 1.0 0.7 3.7 6.3 30.0 52.3 61.0 85.3 88.7 95.3 93.3 92.7 93.7 LTP-NR 1.0 1.0 1.3 3.3 7.3 29.7 55.7 50.0 68.0 79.7 83.0 81.3 82.0 96.0 PPG-PR 606 0.7 0.7 0.7 2.7 4.7 23.0 44.7 63.7 62.3 65.0 70.7 82.3 82.0 91.0 PPG-PR 642 0.3 0.7 0.7 2.7 4.7 21.7 48.7 46.7 66.7 70.0 83.0 83.0 85.3 93.0 PST-2EGY 1.3 0.0 0.7 3.0 6.0 26.0 38.3 58.3 72.0 78.0 85.7 87.7 86.7 94.0 PVF-SGS5 0.7 0.0 0.7 3.3 6.0 13.7 29.0 43.7 63.3 66.0 80.3 78.7 77.3 91.0 SILETZ 0.7 0.7 0.0 2.7 5.0 18.3 34.7 59.7 69.0 79.0 89.3 85.0 85.7 92.7 DLF-PR-3728 0.3 0.0 0.0 2.3 7.0 19.3 44.0 51.3 68.0 71.0 79.3 81.0 83.0 92.3 PISTON 0.7 1.0 1.3 2.7 5.0 22.0 41.7 52.3 74.7 86.0 88.7 90.3 88.3 93.0 QUASAR 1.3 1.0 0.7 3.0 5.7 14.7 33.3 38.3 62.0 66.3 69.0 78.7 77.0 90.7 STELLAR 4GL 1.0 1.0 1.7 3.3 5.7 25.0 39.0 51.3 70.3 77.7 84.3 82.0 80.3 94.0 HOMERUN LS 1.3 0.0 1.3 3.3 6.0 33.7 55.0 60.3 69.7 75.3 85.3 89.3 86.7 97.0 PVF-RPP2 1.3 0.7 1.3 3.0 5.3 20.3 40.7 52.0 72.7 80.3 85.7 88.7 84.7 94.0 RPP3 0.3 0.7 1.3 3.7 7.3 29.3 35.3 41.7 63.7 64.0 70.3 71.0 81.3 91.0 BSG-PR22 0.7 0.0 1.3 3.0 5.7 31.3 51.7 73.3 77.3 89.3 88.7 90.7 88.0 93.0 DLF-PR-3729 1.0 1.0 1.3 3.3 5.3 16.7 41.3 56.3 73.3 65.0 80.5 64.5 70.0 92.0 PROMINENT II (TSC-CRS) 0.7 0.0 0.7 2.7 5.0 23.7 44.0 66.3 88.3 90.0 87.5 89.3 89.7 91.0 SEPR-2013 1.0 1.0 0.0 2.3 4.7 15.0 51.0 60.0 78.0 71.5 88.5 87.5 87.0 92.5 PPG-PR 658 0.7 1.0 0.7 3.3 7.3 15.7 42.0 54.0 79.7 83.3 87.7 88.0 87.3 93.0 FLIGHTLINE (PST-214) 1.3 1.7 1.7 3.3 5.7 26.3 57.3 69.3 87.0 85.7 93.7 93.7 87.7 93.0 PST-2E6 0.7 0.0 1.3 3.0 5.3 31.0 65.0 81.0 89.0 85.7 92.0 91.7 72.3 93.0 RC20-02O 0.3 1.0 1.7 4.0 10.0 24.7 62.7 71.3 82.3 91.0 92.3 92.3 94.0 98.3 LINN 1.0 0.7 2.0 2.7 17.7 31.0 59.3 66.3 73.3 72.3 83.7 89.3 88.0 90.0 PPG-PR 620 0.3 1.3 1.7 4.0 7.3 28.3 49.3 57.3 69.3 76.7 79.7 77.7 86.7 89.5 LSD VALUE 2.2 5.6 3.5 6.0 10.5 35.0 37.9 40.6 45.5 67.4 45.7 31.5 49.1 28.2 C.V. (%) 69.0 157.7 117.0 36.9 51.7 48.9 35.4 29.8 21.6 22.4 17.8 15.5 15.5 7.9 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. 3/ PERCENT LEAF FIRING RATINGS: 0 INDICATES NO LEAF FIRING TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ CLIPPING YIELD (MG) CONTROL CLIPPING YIELD (MG) DURING TREATMENT % TREATMENT CLIPPING YIELD OVER CONTROL NAME MAR 6 MAR 29 APR 21 MAY 10 MAY 31 MAR 6 MAR 29 APR 21 MAY 10 MAY 31 MAR 6 MAR 29 APR 21 MAY 10 MAY 31 6_dS 10_dS 14 dS 18_dS 22_dS 6_dS 10_dS 14 dS 18_dS 22_dS 6_dS 10_dS 14 dS 18_dS 22_dS DLF-LGT-3066 143.3 76.0 142.3 176.0 73.7 103.3 59.7 62.0 41.3 19.3 72.7 78.0 47.3 24.0 25.3 BAR LP 22256 156.7 84.0 163.3 190.7 70.0 123.3 35.3 34.7 22.3 13.0 80.0 47.3 22.3 13.3 24.0 GO-RUS22 136.7 79.7 123.3 149.3 70.0 133.3 53.0 55.7 22.7 21.7 98.7 76.0 57.0 14.7 40.7 GRAY EAGLE SLT (PST-2MEG) 160.0 70.3 202.3 200.0 58.0 113.3 49.3 31.0 18.7 11.3 73.7 71.0 18.3 9.7 23.7 PERFORMANCE (NAI-PR5) 166.7 74.0 142.7 165.0 66.0 136.7 42.3 46.7 31.7 10.3 84.0 74.3 36.3 24.3 25.0 PPG-PR 610 140.0 59.3 168.0 147.3 39.7 123.3 50.7 43.7 28.0 12.0 92.7 85.3 25.3 20.0 31.0 PPG-PR 639 160.0 60.0 148.0 173.3 110.0 140.0 49.0 48.3 53.0 7.7 87.0 110.0 34.3 33.3 14.7 PPG-PR 663 150.0 55.0 139.3 119.0 72.0 123.3 62.7 56.0 40.0 14.7 88.3 181.7 16.0 50.3 28.3 PPG-PR 668 170.0 116.3 203.0 169.7 112.7 150.0 55.3 55.7 32.0 11.7 94.0 81.3 33.7 19.3 24.3 SGP4 136.7 168.7 173.0 171.7 49.3 120.0 58.3 79.3 38.0 26.3 90.7 48.0 48.3 21.3 61.7 ALPHA CENTAURI 143.3 76.7 171.0 140.0 56.3 126.7 51.0 29.3 19.3 11.3 89.0 69.3 18.7 14.7 31.7 BRIGHTSTAR SLT 153.3 89.3 178.3 160.7 85.0 106.7 46.0 41.3 37.3 12.3 70.3 54.7 25.7 27.0 20.7 DLF-PR-3737 170.0 135.0 150.0 177.7 72.3 113.3 51.7 52.3 40.3 18.0 65.7 41.7 33.3 25.0 37.3 GO-RUS21 133.3 61.3 117.3 121.0 43.7 146.7 42.7 35.0 27.3 16.3 112.7 96.7 38.7 23.7 42.3 NEXUS DK (SE-DK) 116.7 50.0 99.3 149.7 93.0 106.7 34.7 38.3 23.7 19.0 90.7 76.7 36.0 16.3 25.3 PPG-PR 647 136.7 75.3 159.0 150.0 89.0 120.0 82.0 32.0 26.0 11.3 94.0 119.0 20.0 16.7 17.7 PPG-PR 670 146.7 107.7 177.3 158.0 65.3 133.3 35.7 20.3 29.0 20.0 92.7 36.0 13.7 19.0 31.3 RELIC (PPG-PR 611) 150.0 66.7 116.3 165.7 75.3 110.0 39.3 32.3 23.7 12.0 74.0 67.3 23.7 15.0 26.3 VORTEX SRT (PPG-PR 665) 156.7 94.0 212.3 152.7 46.3 123.3 44.3 37.3 20.3 14.3 79.7 47.0 18.0 13.7 43.7 BAR LP 22191 126.7 77.7 117.3 142.0 48.7 123.3 44.0 33.7 23.0 11.3 101.7 56.3 33.7 17.3 30.7 BAR LP 22262 120.0 45.7 135.0 157.3 57.7 73.3 49.3 37.7 20.0 20.7 61.0 107.0 28.0 14.0 38.7 DLF-PR-3735 120.0 72.0 153.7 170.3 69.3 110.0 35.3 36.7 23.7 8.0 98.0 54.3 24.3 15.0 15.3 LIGHTSPEED (PST-2DRG) 150.0 74.7 149.0 152.3 56.3 120.0 50.0 40.7 26.7 13.7 86.0 84.0 39.3 17.7 23.3 LTP-RPP4 143.3 80.3 166.0 126.3 50.0 130.0 51.0 32.7 28.3 10.0 92.3 82.3 19.3 25.3 28.0 PPG-PR 661 190.0 71.7 160.3 253.7 85.3 156.7 74.3 63.0 30.0 12.3 84.7 133.7 42.3 14.0 17.7 ULTRA SPORT (PST-2HAF20) 133.3 60.3 180.7 142.3 45.7 120.0 41.3 44.3 24.0 16.7 89.7 78.0 25.0 17.3 36.3 BAR LP 22263 180.0 79.7 162.7 148.0 93.3 96.7 52.3 49.3 40.3 14.0 53.7 72.3 33.0 28.0 15.3 PST-2HFM 130.0 82.7 153.0 196.0 95.7 80.0 37.7 40.7 28.7 9.3 61.3 45.3 24.3 14.0 9.3 DARK MATTER 143.3 118.0 156.3 144.0 62.3 110.0 48.0 36.0 31.7 18.7 83.3 65.3 30.7 25.0 34.3 20PR10 150.0 52.3 140.0 134.0 73.7 120.0 47.0 38.7 21.3 7.3 80.7 103.7 24.0 19.0 25.3 CJP1R 130.0 55.3 109.7 157.3 54.3 113.3 39.7 30.7 11.7 7.3 93.3 75.3 30.0 8.0 17.7 DLF-PR-3726 160.0 73.3 172.7 157.7 45.7 126.7 58.7 37.3 22.7 12.3 80.3 80.0 20.7 16.7 34.3 DLF-PR-3727 143.3 52.7 177.7 167.7 71.7 120.0 60.7 47.7 25.7 10.7 92.0 116.3 25.0 15.0 20.0 DLF-PR-3730 140.0 68.0 167.7 146.7 40.0 106.7 56.3 39.7 13.7 12.3 76.0 94.7 24.0 10.7 31.3 DLF-PR-3736 153.3 63.0 162.7 179.7 145.3 140.0 43.3 26.3 13.3 6.0 91.3 78.7 16.0 7.0 6.7 ELEKTRA GLR (PPG-PR 671) 156.7 71.0 183.0 200.3 91.7 120.0 36.3 39.3 23.7 7.3 80.0 56.3 21.7 11.3 14.3 GREENBACK 156.7 52.3 134.3 149.7 42.0 130.0 29.7 17.0 14.3 11.7 84.7 65.3 12.0 10.0 30.3 KARMA 143.3 52.7 96.0 149.3 87.7 140.0 67.3 49.7 21.0 10.0 97.7 171.7 64.7 14.3 17.3 PPG-PR 646 143.3 57.7 140.7 187.3 76.7 100.0 36.3 40.0 27.3 11.0 69.3 61.7 27.3 14.0 21.3 PPG-PR 664 183.3 76.7 222.0 166.7 44.7 120.0 32.3 25.7 20.3 12.0 65.7 46.0 11.0 14.3 32.7 PPG-PR 666 163.3 88.0 164.3 169.3 55.7 116.7 36.0 44.7 27.7 9.0 72.7 45.0 26.7 16.0 15.3 PST-2ADS 150.0 77.7 183.3 161.0 44.3 123.3 55.3 39.0 24.3 10.7 81.7 73.3 21.7 16.0 24.7 PST-2GDS 150.0 48.0 168.7 152.0 55.3 90.0 33.3 23.0 19.0 12.0 62.7 77.3 14.7 14.7 28.7 PST-2MES1 183.3 66.0 179.0 180.0 49.3 123.3 51.7 34.3 23.0 10.7 68.7 85.0 18.0 13.3 25.7 PPG-PR 637 156.7 76.7 159.7 169.7 70.0 113.3 58.3 44.3 25.0 13.7 75.3 75.3 27.0 14.7 19.7 PPG-PR 662 130.0 61.7 164.3 182.7 94.3 116.7 53.3 48.0 35.0 14.7 89.7 102.0 27.7 19.7 23.3 PPG-PR 667 183.3 78.0 202.7 159.7 99.3 133.3 45.3 98.3 46.0 8.7 72.7 60.0 46.0 33.0 29.0 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2022 NATIONAL PERENNIAL RYEGRASS TEST UNDER SALT TOLERANCE AT FORT COLLINS, CO 1/ 2023 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ CLIPPING YIELD (MG) CONTROL CLIPPING YIELD (MG) DURING TREATMENT % TREATMENT CLIPPING YIELD OVER CONTROL NAME MAR 6 MAR 29 APR 21 MAY 10 MAY 31 MAR 6 MAR 29 APR 21 MAY 10 MAY 31 MAR 6 MAR 29 APR 21 MAY 10 MAY 31 6_dS 10_dS 14 dS 18_dS 22_dS 6_dS 10_dS 14 dS 18_dS 22_dS 6_dS 10_dS 14 dS 18_dS 22_dS PS4 146.7 63.3 169.7 159.3 57.3 136.7 49.7 56.7 35.7 8.7 94.3 105.7 33.0 23.0 15.7 APS 136.7 76.3 171.3 160.3 82.0 130.0 48.3 32.0 20.3 9.3 95.7 68.7 21.0 12.7 12.0 GO-RUS20 156.7 108.3 195.3 201.3 106.7 116.7 44.3 47.7 21.0 10.3 85.7 46.0 29.7 10.7 8.3 MRSL-PR22 116.7 30.3 57.3 107.7 40.0 106.7 32.3 20.7 11.7 3.3 97.7 117.7 45.0 11.0 17.7 PPG-PR 602 143.3 78.0 163.0 137.0 56.3 136.7 48.3 32.3 16.7 6.0 96.0 63.7 19.7 14.7 21.7 PPG-PR 643 126.7 82.3 134.7 170.7 76.3 120.0 44.7 24.3 26.3 8.3 94.7 69.7 17.7 14.3 10.0 PST-2BGL 153.3 70.0 156.3 180.0 56.7 113.3 31.7 15.7 8.7 2.7 78.7 49.0 10.3 4.7 6.0 SUNDOWN (BY-PS2) 176.7 62.7 128.0 128.3 43.7 126.7 41.3 39.0 26.7 10.7 75.0 65.3 34.0 22.7 24.7 PST-2SPF 106.7 56.3 114.7 135.0 55.7 80.0 42.7 36.7 22.0 15.3 75.7 78.3 31.0 16.0 30.7 BAR LP 22174 146.7 65.0 136.3 178.0 59.7 110.0 28.7 21.3 20.0 11.3 75.7 80.3 16.3 13.3 30.7 DLF-PR-3738 160.0 75.7 141.7 121.3 109.3 120.0 46.7 25.0 24.3 16.7 78.3 76.0 17.3 22.3 25.7 HIGH OCTANE 163.3 77.7 139.3 169.0 63.3 110.0 40.7 35.7 20.3 7.7 70.0 53.3 22.7 13.0 12.0 PPG-PR 644 156.7 74.0 177.7 180.7 110.3 103.3 36.3 25.3 14.0 2.3 67.7 51.0 14.3 7.3 2.0 LTP-NR 160.0 46.0 134.7 167.3 67.0 96.7 32.3 30.0 18.3 5.3 63.3 83.7 25.3 11.7 9.3 PPG-PR 606 143.3 75.0 155.3 135.0 48.0 113.3 37.0 27.7 26.3 15.3 79.0 56.3 18.7 21.0 28.7 PPG-PR 642 140.0 65.3 153.0 148.3 42.7 116.7 37.3 31.7 28.7 17.7 85.0 59.0 21.0 23.0 50.0 PST-2EGY 130.0 65.7 145.0 133.7 41.7 136.7 46.3 31.7 20.3 9.3 106.3 72.7 21.0 14.3 24.7 PVF-SGS5 143.3 68.0 150.7 193.3 58.0 150.0 58.7 51.0 25.3 11.0 106.0 85.7 39.0 15.3 22.3 SILETZ 130.0 75.0 163.3 154.0 60.3 136.7 57.7 32.3 21.0 15.7 108.7 79.7 19.0 16.7 38.3 DLF-PR-3728 136.7 100.7 196.7 143.0 34.7 146.7 41.3 27.7 31.0 9.0 109.3 41.0 14.3 21.7 29.7 PISTON 146.7 53.0 109.0 128.0 50.3 113.3 29.0 16.7 16.3 3.3 77.7 60.3 21.7 16.3 8.3 QUASAR 130.0 71.7 132.7 168.7 163.7 120.0 43.0 27.3 29.7 8.3 93.3 60.0 20.7 18.0 18.3 STELLAR 4GL 113.3 64.0 106.0 167.3 94.7 126.7 45.7 40.7 36.0 11.3 114.0 80.3 37.0 25.3 18.3 HOMERUN LS 163.3 59.3 115.0 157.7 86.7 90.0 37.3 24.0 20.0 14.7 56.7 62.3 20.3 13.0 15.3 PVF-RPP2 123.3 55.3 83.0 120.0 135.7 123.3 32.7 20.0 21.3 5.3 102.3 59.7 23.7 17.7 8.0 RPP3 136.7 67.0 149.3 193.7 124.3 110.0 43.7 54.0 23.3 8.3 81.3 72.7 31.7 11.3 8.7 BSG-PR22 126.7 61.3 130.3 127.7 37.7 106.7 29.3 14.7 14.3 11.0 87.7 48.7 10.0 12.0 31.0 DLF-PR-3729 160.0 79.7 183.0 126.0 90.7 106.7 35.0 31.7 20.3 12.7 66.7 49.7 16.0 18.3 31.0 PROMINENT II (TSC-CRS) 113.3 40.0 150.0 148.7 52.7 126.7 24.7 10.0 9.7 3.7 112.7 66.3 6.0 6.3 8.0 SEPR-2013 143.3 63.0 123.3 109.0 37.0 130.0 61.0 39.3 15.3 14.0 91.0 95.7 32.3 16.0 42.7 PPG-PR 658 150.0 58.7 149.7 160.3 56.3 140.0 40.0 20.3 15.7 3.7 97.3 66.0 18.0 9.3 12.7 FLIGHTLINE (PST-214) 146.7 76.3 131.7 140.7 68.7 126.7 37.0 25.3 15.3 10.0 87.7 49.3 19.0 10.7 27.3 PST-2E6 156.7 66.3 186.7 158.0 41.0 106.7 24.0 8.7 9.0 9.0 70.3 36.0 5.0 5.7 20.7 RC20-02O 146.7 72.3 155.3 137.0 49.7 130.0 47.0 13.0 7.0 5.7 91.7 68.3 8.7 5.7 14.3 LINN 166.7 82.7 115.0 165.7 68.7 123.3 38.3 43.0 22.0 14.3 74.0 52.7 60.7 14.7 26.3 PPG-PR 620 163.3 77.0 166.0 186.0 104.3 96.7 30.3 19.0 9.7 2.3 62.0 40.7 11.3 5.3 4.7 LSD VALUE 90.4 88.2 131.7 101.5 135.6 48.3 58.7 69.4 41.1 31.2 70.3 174.4 76.4 45.3 106.1 C.V. (%) 18.6 41.7 29.3 22.6 59.4 17.7 38.9 61.8 55.8 70.0 25.6 60.7 76.2 71.4 89.6 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 CO1 - - - - - - - -