TABLE 20. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2016 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG (TRAFFIC STUDY), VA 1/ 2017 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS 2-WEEKS BEFORE TRAFFIC MIDDLE OF TRAFFIC LAST TRAFFIC QUALITY RATINGS BEFORE MIDDLE LAST AFTER % GREEN % BARE % GREEN % BARE % GREEN % BARE NAME APR MAY JUN JUL AUG SEP TRAFFIC TRAFFIC TRAFFIC TRAFFIC COVER COVER COVER COVER COVER COVER PEPPER II (RAD-PR 103) 6.0 5.7 7.0 5.7 8.0 7.3 2.7 3.3 3.0 3.0 26.7 72.3 60.0 40.0 63.3 35.7 EVOLVE 5.3 5.7 7.0 5.7 8.3 7.3 3.3 3.7 3.7 3.7 28.3 70.7 60.0 40.0 61.7 37.3 BAR LP 6233 5.3 5.3 7.7 6.0 6.7 6.0 3.0 3.3 3.3 3.3 23.3 75.7 55.0 45.0 60.0 39.0 DLFPS-236/3542 5.7 6.0 7.7 5.7 8.0 6.7 3.0 3.3 3.3 3.3 28.3 70.7 58.3 41.7 60.0 39.0 BAR LP 6158 6.3 5.7 6.3 5.0 6.7 6.3 3.3 3.3 3.3 3.3 28.3 70.7 56.7 43.3 58.3 40.7 PST-2FOXY 5.3 5.3 7.3 5.0 7.7 7.0 3.3 3.0 3.0 3.0 25.0 74.0 55.0 45.0 58.3 40.7 GRAY WOLF (PST-2GAL) 7.0 6.0 7.3 6.0 8.0 7.0 2.7 3.3 3.3 3.3 21.7 77.3 56.7 43.3 58.3 40.7 BAR LP 6165 6.0 5.7 7.7 5.7 8.3 7.7 3.3 3.7 3.7 3.7 25.0 74.0 56.7 43.3 56.7 42.3 PPG-PR 419 6.3 6.0 7.3 6.0 8.7 7.0 3.3 3.3 3.3 3.3 31.7 67.3 55.0 45.0 56.7 42.3 02BS1 5.7 5.3 6.0 6.0 7.7 7.0 3.0 3.3 3.0 3.0 26.7 72.3 55.0 45.0 55.0 44.0 SHIELD (02BS4) 5.7 5.7 6.7 6.0 8.3 7.0 2.7 3.3 3.3 3.3 20.0 79.0 50.0 50.0 55.0 50.7 APR3060 5.3 5.7 7.3 6.0 7.3 6.3 3.0 3.3 3.3 3.3 21.7 77.3 53.3 46.7 55.0 44.0 PST-2EGAD 5.7 5.0 6.3 5.0 8.0 7.7 3.3 3.3 3.3 3.3 21.7 77.3 51.7 48.3 55.0 44.0 SEABISCUIT 6.3 6.0 7.7 6.0 7.0 6.3 3.0 3.3 3.3 3.3 25.0 74.0 53.3 46.7 55.0 44.0 ASP0117 (A-PR15) 4.7 4.3 6.3 5.3 7.3 7.0 3.0 3.0 3.0 3.0 26.7 72.3 53.3 46.7 53.3 45.7 DLFPS-238/3014 6.3 5.7 7.3 6.0 6.7 6.3 3.0 3.3 2.7 2.7 25.0 74.0 51.7 48.3 53.3 45.7 ASP0218 (A-6D) 6.0 5.7 6.0 5.0 8.3 6.3 2.7 3.3 3.3 3.3 28.3 70.7 48.3 51.7 51.7 47.3 CPN 6.3 5.7 7.3 6.0 8.0 6.7 2.7 3.0 3.0 3.0 28.3 70.7 50.0 50.0 51.7 47.3 DLFPS-236/3544 6.0 6.0 7.0 6.0 9.0 7.3 3.0 3.3 3.3 3.3 23.3 75.7 51.7 48.3 51.7 47.3 BAR LP 6159 6.0 5.7 7.0 4.7 6.7 6.0 3.0 3.0 3.0 3.0 21.7 77.3 46.7 53.3 50.0 49.0 GO-141 5.7 6.0 6.7 5.0 7.0 6.7 3.0 3.0 3.0 3.0 26.7 72.3 50.0 50.0 50.0 49.0 XCELERATOR 5.7 6.0 7.3 6.0 7.3 6.0 2.7 3.0 3.0 3.0 26.7 72.3 50.0 50.0 50.0 49.0 DLFPS-236/3545 5.3 5.7 7.0 6.7 9.0 7.7 3.3 3.0 3.0 3.0 28.3 70.7 48.3 51.7 48.3 50.7 JR-123 5.7 6.0 7.3 4.3 7.0 6.3 3.0 2.7 2.7 2.7 25.0 74.0 48.3 51.7 48.3 50.7 BSP-17 4.0 4.7 5.7 3.7 5.0 4.7 2.3 2.3 2.3 2.3 21.7 77.3 45.0 55.0 46.7 52.3 PR-5-16 7.0 6.0 7.7 6.3 8.0 7.0 3.3 3.3 3.3 3.3 23.3 75.7 45.0 55.0 46.7 52.3 SNX 6.0 5.3 6.7 4.7 6.7 6.3 3.3 3.0 3.0 3.0 20.0 79.0 38.3 61.7 46.7 52.3 DLFPS-236/3543 6.0 5.7 7.3 6.0 7.0 6.3 3.0 2.7 2.7 2.7 18.3 80.7 43.3 56.7 45.0 54.0 PPG-PR 370 6.0 5.3 7.7 6.0 8.0 7.0 3.0 3.0 3.0 3.0 26.7 72.3 43.3 56.7 45.0 54.0 PPG-PR 420 6.7 6.3 7.3 5.3 8.3 7.3 2.7 2.7 2.7 2.7 28.3 70.7 45.0 55.0 45.0 54.0 PPG-PR 421 6.3 6.3 8.0 6.3 8.0 6.3 2.7 2.7 2.7 2.7 30.0 69.0 41.7 58.3 45.0 54.0 MRSL-PR16 6.0 5.7 6.7 4.3 7.3 7.3 3.3 2.7 2.7 2.7 25.0 74.0 43.3 56.7 43.3 55.7 PPG-PR 371 5.7 5.7 7.3 6.7 8.3 7.0 3.0 3.0 3.0 3.0 25.0 74.0 43.3 56.7 43.3 55.7 GRAY HAWK (PST-2FIND) 5.3 5.0 7.3 5.0 6.0 5.7 2.7 2.7 2.7 2.7 18.3 80.7 38.3 61.7 43.3 55.7 SIGNET 6.0 5.7 6.0 5.0 7.7 7.0 3.0 2.7 2.7 2.7 28.3 70.7 43.3 56.7 43.3 55.7 DLFPS-236/3547 6.0 5.3 7.7 6.3 7.3 6.7 2.7 2.7 2.7 2.7 18.3 80.7 40.0 60.0 41.7 57.3 PHARAOH 6.0 5.0 7.0 7.0 7.7 6.0 2.3 2.3 2.3 2.3 18.3 80.7 40.0 60.0 41.7 57.3 PPG-PR 360 6.7 6.7 8.0 6.3 6.7 5.3 2.7 2.7 2.7 2.7 21.7 77.3 41.7 58.3 41.7 57.3 PPG-PR 422 6.7 5.7 7.3 6.3 6.3 5.7 2.0 2.7 2.7 2.7 18.3 80.7 38.3 61.7 41.7 57.3 BSP-25 5.7 5.7 6.3 6.3 6.7 6.3 2.7 2.3 2.3 2.3 23.3 75.7 40.0 60.0 40.0 59.0 BWH 5.3 5.3 5.7 4.3 6.0 5.3 2.3 2.3 2.3 2.3 16.7 82.3 40.0 60.0 40.0 59.0 CS-6 5.3 5.7 6.7 5.0 6.0 6.0 2.7 2.3 2.3 2.3 21.7 77.3 38.3 61.7 40.0 59.0 DLFPS-236/3550 6.3 6.3 6.3 4.7 8.0 6.7 3.0 2.7 2.7 2.7 25.0 74.0 40.0 60.0 40.0 59.0 FP2 6.0 6.0 7.3 6.3 8.3 7.0 3.0 2.7 2.7 2.7 20.0 79.0 40.0 60.0 40.0 59.0 GO-142 6.3 5.7 6.3 4.7 7.0 6.0 2.3 2.7 2.7 2.7 23.3 75.7 36.7 63.3 40.0 59.0 PPG-PR 343 7.3 6.7 7.7 7.0 7.3 6.3 2.7 2.3 2.3 2.3 20.0 79.0 40.0 60.0 40.0 59.0 PPG-PR 367 6.0 5.3 7.0 6.7 7.7 6.7 2.3 2.7 2.7 2.7 20.0 79.0 40.0 60.0 40.0 59.0 TABLE 20. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2016 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG (TRAFFIC STUDY), VA 1/ 2017 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS 2-WEEKS BEFORE TRAFFIC MIDDLE OF TRAFFIC LAST TRAFFIC QUALITY RATINGS BEFORE MIDDLE LAST AFTER % GREEN % BARE % GREEN % BARE % GREEN % BARE NAME APR MAY JUN JUL AUG SEP TRAFFIC TRAFFIC TRAFFIC TRAFFIC COVER COVER COVER COVER COVER COVER PR-6-15 5.7 5.7 6.7 5.0 6.7 6.3 2.7 2.7 2.7 2.7 18.3 80.7 38.3 61.7 40.0 59.0 UF3 4.3 5.3 6.0 5.7 6.3 5.7 3.0 2.7 2.7 2.7 23.3 75.7 40.0 60.0 40.0 59.0 UMPQUA 5.7 5.3 7.7 6.3 8.0 7.3 3.0 3.0 3.0 3.0 20.0 79.0 38.3 61.7 40.0 59.0 ASP0118GL (A-4G) 5.3 5.3 6.3 5.3 6.7 6.0 2.3 2.7 2.7 2.7 20.0 79.0 36.7 63.3 38.3 60.7 APR2616 6.3 5.3 7.7 6.3 7.0 6.7 3.0 3.0 3.0 3.0 20.0 79.0 36.7 63.3 38.3 60.7 ASP0116EXT 5.0 5.0 6.0 5.0 8.0 7.7 3.0 3.0 3.0 3.0 30.0 69.0 36.7 63.3 38.3 60.7 BAR LP 6164 6.3 5.7 7.3 6.0 8.0 6.7 2.7 2.7 2.7 2.7 18.3 80.7 33.3 66.7 38.3 60.7 PPG-PR 424 6.0 5.7 7.3 6.7 7.3 6.7 3.0 3.0 3.0 3.0 25.0 74.0 38.3 61.7 38.3 60.7 SILVER SPORT (PST-2CRP) 6.3 6.3 8.0 6.7 7.7 7.0 2.7 3.3 3.0 3.0 18.3 80.7 48.3 51.7 37.7 61.3 DLFPS-236/3538 7.0 6.0 8.3 6.0 7.7 6.7 2.0 2.3 2.3 2.3 16.7 82.3 36.7 63.3 36.7 62.3 DLFPS-236/3552 6.7 6.7 7.3 6.0 8.3 7.0 2.3 2.7 2.7 2.7 21.7 77.3 36.7 63.3 36.7 62.3 DLFPS-236/3553 7.0 6.3 7.0 5.7 7.0 6.3 2.7 2.7 2.7 2.7 15.0 84.0 35.0 65.0 36.7 62.3 DLFPS-236/3554 6.7 6.0 7.3 6.7 8.7 7.3 2.7 2.7 2.7 2.7 16.7 82.3 35.0 65.0 36.7 62.3 AMP-R1 5.3 5.3 6.3 4.7 6.7 6.3 2.3 2.7 2.7 2.7 20.0 79.0 33.3 66.7 35.0 64.0 BAR LP 6162 6.7 6.0 7.0 7.0 7.3 7.0 3.3 2.7 2.7 2.7 25.0 74.0 33.3 66.7 35.0 64.0 BRIGHTSTAR SLT 6.3 5.3 6.0 4.7 6.3 5.7 2.0 2.0 2.0 2.0 20.0 79.0 30.0 70.0 35.0 64.0 DLFPS-236/3548 6.3 6.0 7.7 6.0 6.7 6.7 3.0 2.7 2.7 2.7 18.3 80.7 35.0 65.0 35.0 64.0 GRAND SLAM GLD 6.3 6.0 7.3 6.3 7.0 6.0 2.7 2.3 2.3 2.3 20.0 79.0 35.0 65.0 35.0 64.0 NP-3 5.3 6.0 6.7 6.3 7.7 6.7 2.7 2.3 2.3 2.3 18.3 80.7 33.3 66.7 35.0 64.0 DLFPS-236/3556 5.3 5.3 7.3 5.3 7.3 6.7 2.7 2.3 2.3 2.3 21.7 77.3 30.0 70.0 33.3 65.7 PL2 6.3 5.7 7.7 5.3 7.0 6.7 2.7 2.3 2.3 2.3 18.3 80.7 33.3 66.7 33.3 65.7 RRT 6.3 6.7 6.3 5.7 7.7 6.3 2.0 2.0 2.0 2.0 21.7 77.3 33.3 66.7 33.3 65.7 BAR LP 6131 5.7 6.0 7.3 5.3 7.0 6.7 2.7 2.7 2.7 2.7 16.7 82.3 31.7 68.3 31.7 67.3 DLFPS-236/3540 6.3 6.3 7.7 5.0 6.7 6.0 3.0 2.7 2.7 2.7 23.3 75.7 31.7 68.3 31.7 67.3 PST-2BDT 5.7 5.7 6.7 5.0 6.0 6.0 2.7 2.3 2.3 2.3 23.3 75.7 30.0 70.0 31.7 67.3 PST-2GTD 6.7 5.7 6.7 6.3 7.3 6.7 2.3 2.3 2.3 2.3 18.3 80.7 30.0 70.0 31.7 67.3 PPG-PR 385 6.7 5.7 7.7 5.7 7.3 6.7 2.7 2.7 2.7 2.7 20.0 79.0 36.7 63.3 31.0 68.0 ALLSTAR III 5.7 5.3 6.0 5.0 6.3 5.7 2.3 2.7 2.7 2.7 16.7 82.3 30.0 70.0 30.0 69.0 BAR LP 6117 6.3 6.0 7.7 6.0 8.3 7.3 3.0 2.7 2.7 2.7 20.0 79.0 28.3 71.7 30.0 69.0 JR-197 6.0 5.7 6.7 5.3 7.0 6.0 2.3 2.7 2.7 2.7 15.0 84.0 28.3 71.7 30.0 69.0 OVERDRIVE 5G 6.3 6.0 6.7 5.7 6.7 6.7 2.7 2.7 2.7 2.7 20.0 79.0 26.7 73.3 30.0 69.0 PST-2MAY 5.3 5.0 7.3 5.7 6.0 5.7 2.7 2.3 2.3 2.3 18.3 80.7 28.3 71.7 30.0 69.0 021 6.0 5.7 6.3 5.7 6.7 6.3 2.7 2.0 2.0 2.0 20.0 79.0 27.7 72.3 29.3 69.7 DLFPS-236/3541 6.7 6.0 7.3 5.3 7.0 6.3 2.3 2.0 2.0 2.0 11.7 87.3 29.0 71.0 29.0 70.0 GO-143 5.3 5.7 6.3 4.7 7.7 6.7 2.3 1.7 1.7 1.7 21.7 77.3 28.3 71.7 28.3 70.7 RAD-PR 112 6.3 6.0 6.0 5.3 5.7 6.0 2.0 2.3 2.3 2.3 15.0 84.0 26.7 73.3 28.3 70.7 MRSL-PR15 5.7 5.3 6.7 5.0 7.3 6.0 2.0 2.3 2.3 2.3 10.0 89.0 25.0 75.0 26.7 72.3 PPG-PR 241 5.7 5.3 6.3 6.0 7.7 6.3 2.0 2.0 2.0 2.0 18.3 80.7 23.3 76.7 26.7 72.3 PPG-PR 331 6.3 6.3 7.0 6.3 7.0 5.7 2.0 2.0 2.0 2.0 20.0 79.0 26.7 73.3 26.7 72.3 PPG-PR 372 6.3 6.0 7.3 6.7 7.7 6.7 2.3 2.0 2.0 2.0 16.7 82.3 26.7 73.3 26.7 72.3 KARMA 7.0 6.7 8.0 6.0 6.7 5.7 1.7 2.0 2.0 2.0 13.3 85.7 25.0 75.0 25.0 74.0 MAN O WAR 6.3 6.0 6.7 5.7 5.7 5.3 1.7 2.0 2.0 2.3 16.7 82.3 21.7 78.3 25.0 74.0 PPG-PR 339 5.7 5.0 7.0 6.0 7.0 6.0 2.0 2.0 2.0 2.0 18.3 80.7 23.3 76.7 25.0 74.0 SR 4650 6.0 5.7 7.3 6.3 8.0 7.0 2.0 1.7 1.7 1.7 18.3 80.7 25.0 75.0 25.0 74.0 JR-747 6.3 6.3 6.3 5.0 5.7 5.3 1.7 1.7 1.7 1.7 13.3 85.7 22.3 77.7 24.0 75.0 JR-888 6.7 6.0 8.3 5.7 5.3 5.0 2.0 1.7 1.7 1.7 13.3 85.7 23.3 76.7 23.3 75.7 PPG-PR 423 6.3 5.7 7.7 6.7 6.3 6.0 2.3 2.0 2.0 2.0 16.7 82.3 23.3 76.7 23.3 75.7 TABLE 20. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2016 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG (TRAFFIC STUDY), VA 1/ 2017 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ QUALITY RATINGS 2-WEEKS BEFORE TRAFFIC MIDDLE OF TRAFFIC LAST TRAFFIC QUALITY RATINGS BEFORE MIDDLE LAST AFTER % GREEN % BARE % GREEN % BARE % GREEN % BARE NAME APR MAY JUN JUL AUG SEP TRAFFIC TRAFFIC TRAFFIC TRAFFIC COVER COVER COVER COVER COVER COVER PST-2PDA 6.7 5.7 7.3 5.3 7.3 6.7 2.7 2.3 2.3 2.3 15.0 84.0 23.3 76.7 23.3 75.7 02BS2 5.0 5.3 6.3 5.3 7.0 5.7 2.7 2.0 2.0 2.0 25.0 74.0 21.7 78.3 21.7 77.3 DLFPS-236/3546 5.7 5.7 7.3 6.0 6.3 6.3 2.3 2.3 2.3 2.3 21.7 77.3 21.7 78.3 21.7 77.3 023 6.7 6.3 7.7 5.0 6.7 6.0 2.0 1.7 1.7 1.7 16.7 82.3 18.3 81.7 20.0 79.0 APR2612 5.7 5.7 7.0 5.7 6.3 6.0 2.3 1.7 1.7 1.7 16.7 82.3 20.0 80.0 20.0 79.0 FURLONG (LTP-FCB) 6.7 5.7 7.7 6.7 6.3 5.7 2.0 1.7 1.7 1.7 16.7 82.3 18.3 81.7 20.0 79.0 NP-2 5.7 5.3 7.3 6.7 6.7 6.0 2.0 1.7 1.7 1.7 16.7 82.3 18.3 81.7 20.0 79.0 PST-2A2 6.0 5.7 7.0 5.3 6.7 6.7 2.3 2.0 2.0 2.0 16.7 82.3 20.0 80.0 20.0 79.0 DERBY XTREME 6.7 5.7 6.7 5.7 7.3 6.0 1.3 1.7 1.7 1.7 11.7 87.3 17.7 82.3 19.3 79.7 SAGUARO 6.0 6.0 7.3 5.0 7.0 6.0 1.7 1.7 1.7 1.7 13.3 85.7 16.7 83.3 18.3 80.7 LPB-SD-101 6.3 5.7 8.3 5.0 5.3 5.0 2.0 1.7 1.7 1.7 11.7 87.3 14.0 86.0 15.7 83.3 LPB-SD-105 5.0 5.3 7.0 5.3 4.3 3.7 1.3 1.3 1.3 1.3 15.0 84.0 15.7 84.3 15.7 83.3 INTENSE 6.0 6.7 7.7 7.0 5.7 5.7 2.3 1.7 1.7 1.7 16.7 82.3 13.3 86.7 15.0 84.0 PPG-PR 329 6.0 5.7 7.7 5.7 7.0 6.3 2.3 1.7 1.7 1.7 23.3 75.7 15.0 85.0 15.0 84.0 MENSA 6.3 6.0 7.7 5.0 5.0 4.0 1.3 1.3 1.3 1.3 10.0 89.0 11.3 88.7 13.0 86.0 SAVANT 5.3 6.3 8.0 6.0 5.0 4.7 1.7 1.3 1.3 1.3 11.7 87.3 12.3 87.7 12.3 86.7 LPB-SD-102 5.3 5.3 8.0 5.0 4.0 4.0 1.3 1.0 1.0 1.0 11.7 87.3 7.7 92.3 7.7 91.3 LPB-SD-104 6.3 5.7 8.0 4.3 4.7 4.3 1.7 1.0 1.0 1.0 6.7 92.3 5.0 95.0 6.7 92.3 LPB-SD-103 6.0 6.3 8.0 4.3 4.3 4.0 1.0 1.0 1.0 1.0 10.0 89.0 4.0 96.0 5.7 93.3 LINN 5.0 5.0 6.7 3.0 3.7 3.7 1.0 1.0 1.0 1.0 5.0 94.0 4.0 96.0 4.0 95.0 LSD VALUE 3.1 1.9 2.7 2.2 3.3 2.3 1.7 1.6 1.6 1.6 19.5 19.5 50.9 50.9 55.7 57.0 C.V. (%) 15.3 11.3 13.1 17.6 20.3 17.1 29.1 31.1 30.8 30.9 37.2 9.5 54.9 29.5 55.2 31.8 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. TABLE A. 2017 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2016 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 1.1-1.5 ONLY DURING SEVERE STRESS