TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2016 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC QUALITY RATINGS NAME COLOR MAY JUN JUL AUG SEP OCT MEAN DLFPS-236/3543 7.0 4.7 7.7 7.7 6.7 8.7 8.3 7.3 021 5.7 7.0 6.0 7.0 6.7 8.3 8.3 7.2 PST-2GTD 7.7 5.3 6.7 8.0 6.7 8.3 8.3 7.2 UMPQUA 7.7 5.7 6.7 8.0 6.7 7.3 8.7 7.2 TEE-ME-UP (BSP-25) 5.7 4.7 7.7 7.3 5.7 8.0 9.0 7.1 DLFPS-236/3545 7.0 5.0 6.7 7.3 6.0 8.7 8.7 7.1 JR-197 6.3 6.0 5.7 7.7 6.3 8.0 8.3 7.0 BAR LP 6165 8.3 6.3 7.7 7.0 7.7 6.7 6.3 6.9 DLFPS-236/3547 7.0 5.0 7.0 7.3 6.0 8.3 8.0 6.9 FURLONG (LTP-FCB) 7.3 4.3 6.3 7.7 6.7 8.0 8.7 6.9 HOMERUN LS (PPG-PR 419) 7.0 5.0 6.7 7.3 6.7 8.0 7.7 6.9 PL2 6.7 4.7 7.3 6.7 6.0 8.0 8.7 6.9 SEABISCUIT 6.3 6.3 6.0 6.7 6.0 8.0 8.7 6.9 HATRICK (BSP-17) 6.7 4.3 7.3 6.3 6.0 8.3 8.3 6.8 DLFPS-236/3542 5.0 5.7 7.3 5.7 5.3 8.3 8.3 6.8 DLFPS-236/3544 7.0 5.7 6.3 6.3 6.0 7.7 8.7 6.8 PHARAOH 6.7 5.7 6.0 7.0 5.7 8.0 8.7 6.8 PPG-PR 421 6.7 4.0 7.3 7.0 6.3 8.0 8.0 6.8 SILVER SPORT (PST-2CRP) 6.3 6.7 7.3 6.3 5.0 7.7 7.7 6.8 ALLOY (RRT) 7.0 5.0 6.7 7.0 5.7 8.0 7.7 6.7 ASP0116EXT 5.3 5.3 7.3 6.3 5.7 8.0 7.7 6.7 DLFPS-236/3538 6.3 5.3 7.0 7.0 6.3 7.0 7.7 6.7 DLFPS-236/3552 7.0 4.3 6.7 8.0 7.0 7.0 7.0 6.7 DLFPS-236/3554 5.7 4.3 7.7 6.7 5.7 7.0 8.7 6.7 PPG-PR 420 6.3 5.7 7.0 6.7 6.0 7.3 7.7 6.7 PST-2EGAD 6.7 6.0 5.7 6.3 6.7 7.3 8.3 6.7 ASP0118GL (A-4G) 6.0 5.3 7.3 6.7 5.3 7.3 7.3 6.6 BAR LP 6164 6.3 5.0 7.0 6.7 6.0 6.7 8.3 6.6 DLFPS-238/3014 6.7 6.0 6.3 6.7 6.3 7.0 7.3 6.6 GRAY HAWK (PST-2FIND) 6.7 5.7 6.7 6.3 5.3 7.0 8.3 6.6 MAN O WAR 6.0 4.7 6.7 6.7 6.0 7.0 8.3 6.6 MRSL-PR16 6.0 5.7 7.7 6.0 5.3 6.3 8.3 6.6 OVERDRIVE 5G 6.0 5.0 6.7 6.7 5.3 7.7 8.3 6.6 PPG-PR 423 6.3 4.7 7.0 6.7 6.0 7.0 8.0 6.6 PR-6-15 6.3 3.7 7.3 6.7 5.3 8.0 8.3 6.6 SIGNET 6.0 5.0 7.0 6.0 5.7 7.3 8.7 6.6 02BS1 5.7 5.7 6.0 6.3 5.0 7.7 8.3 6.5 APR3060 6.7 5.0 6.7 7.0 6.3 6.7 7.3 6.5 CPN 6.0 5.7 6.0 6.3 5.7 7.3 8.0 6.5 DLFPS-236/3541 7.3 4.0 7.0 7.7 5.7 7.7 7.0 6.5 FASTBALL 3GL (PPG-PR 329) 6.7 5.0 5.7 6.7 6.0 7.7 8.0 6.5 PPG-PR 372 6.7 4.7 7.3 6.7 6.0 7.3 7.0 6.5 PPG-PR 424 6.7 4.7 6.0 7.3 5.3 7.3 8.3 6.5 RAD-PR 112 6.3 4.3 6.7 7.0 5.3 7.7 8.0 6.5 ASP0117 (A-PR15) 5.7 5.3 6.7 6.3 5.0 7.3 7.7 6.4 BAR LP 6159 7.7 5.0 5.7 8.0 6.7 6.0 7.0 6.4 FIREBALL (BWH) 5.7 4.3 7.7 6.0 5.7 8.0 7.0 6.4 TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2016 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC QUALITY RATINGS NAME COLOR MAY JUN JUL AUG SEP OCT MEAN DLFPS-236/3546 6.0 4.3 6.0 6.7 6.0 7.7 8.0 6.4 NP-2 6.3 5.3 6.0 6.7 5.7 7.3 7.7 6.4 PEPPER II (RAD-PR 103) 6.0 4.7 6.0 7.0 6.0 7.3 7.3 6.4 PPG-PR 370 6.0 4.3 6.7 6.0 5.3 8.0 8.0 6.4 PPG-PR 385 6.7 5.7 6.7 7.3 5.7 7.0 6.3 6.4 PST-2MAY 6.7 5.7 7.0 6.0 6.0 6.7 7.3 6.4 SHIELD (02BS4) 6.3 5.7 6.0 6.7 5.3 6.7 8.0 6.4 SPIKE GLS (UF3) 5.7 4.0 6.0 6.7 6.0 7.7 8.0 6.4 023 7.3 4.7 5.7 7.7 6.0 7.0 7.0 6.3 02BS2 6.3 6.0 6.3 6.0 5.0 7.3 7.3 6.3 BAR LP 6158 6.0 5.0 6.0 7.0 5.3 7.3 7.3 6.3 BAR LP 6233 6.7 5.3 6.0 6.0 6.3 7.0 7.3 6.3 DLFPS-236/3540 5.3 5.3 6.7 6.0 5.0 6.7 8.3 6.3 DLFPS-236/3548 6.3 4.3 7.0 7.0 5.3 6.7 7.3 6.3 DLFPS-236/3553 6.0 5.0 6.7 6.7 5.0 6.3 8.3 6.3 PARAGON 2 GLR (FP2) 6.7 4.7 6.7 7.0 5.0 7.7 7.0 6.3 GRAY WOLF (PST-2GAL) 6.0 6.0 7.3 6.0 5.7 6.0 6.7 6.3 PPG-PR 360 7.3 4.3 7.0 7.0 6.0 6.7 7.0 6.3 PPG-PR 371 5.7 5.3 6.7 6.0 5.3 7.7 7.0 6.3 PST-2FOXY 6.7 3.7 6.7 6.7 5.3 7.7 8.0 6.3 SLIDER LS (PPG-PR 241) 6.3 5.3 7.0 6.0 6.0 6.7 6.7 6.3 SNX 5.0 5.3 7.7 5.7 4.7 6.3 8.3 6.3 SR 4650 5.3 5.0 6.3 5.7 5.7 7.0 8.0 6.3 BRIGHTSTAR SLT 5.7 4.7 6.3 6.0 5.7 7.0 7.7 6.2 DLFPS-236/3556 6.0 5.3 6.0 6.3 5.7 6.7 7.0 6.2 GRAND SLAM GLD 6.7 5.0 6.7 6.3 6.0 6.3 7.0 6.2 LPB-SD-102 5.3 3.3 7.3 5.7 4.7 7.7 8.3 6.2 NP-3 6.0 5.7 5.7 6.0 5.3 7.0 7.3 6.2 PPG-PR 422 6.3 5.7 6.7 5.7 4.7 6.7 7.7 6.2 PR-5-16 5.0 5.0 6.7 5.7 5.3 6.7 7.7 6.2 PST-2A2 5.7 4.7 6.7 6.0 5.3 7.3 7.3 6.2 XCELERATOR 6.3 4.0 6.3 7.0 5.7 7.0 7.3 6.2 APR2612 6.3 5.3 6.7 6.3 5.7 5.3 7.3 6.1 EVOLVE 5.3 5.7 6.3 6.0 5.0 6.3 7.0 6.1 INTENSE 5.3 5.0 6.0 6.0 5.7 6.7 7.3 6.1 MRSL-PR15 5.7 4.7 6.0 6.3 5.3 7.0 7.3 6.1 PST-2PDA 6.3 4.7 6.3 7.0 5.7 6.0 6.7 6.1 DERBY XTREME 5.7 4.7 6.7 5.7 5.0 6.3 7.7 6.0 PARADOX GLR (PPG-PR 331) 6.0 5.7 6.0 5.3 6.0 6.3 6.7 6.0 SLUGGER 3GL (PPG-PR 343) 5.7 4.3 7.0 6.3 5.3 6.7 6.3 6.0 APPLE 3GL (PPG-PR 339) 5.7 4.7 6.7 5.7 5.3 6.0 7.0 5.9 ASP0218 (A-6D) 5.7 4.7 7.3 5.7 5.0 6.3 6.7 5.9 BAR LP 6117 5.7 4.3 7.0 6.3 5.3 6.0 6.7 5.9 CS-6 5.0 5.0 6.3 5.7 4.7 6.3 7.3 5.9 LPB-SD-103 5.0 4.7 6.7 5.0 4.7 7.0 7.3 5.9 LPB-SD-105 5.0 3.0 6.3 6.3 5.0 7.3 7.3 5.9 APR2616 6.7 4.3 6.3 6.7 5.3 5.7 6.7 5.8 TABLE 4. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2016 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2018 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC QUALITY RATINGS NAME COLOR MAY JUN JUL AUG SEP OCT MEAN DLFPS-236/3550 5.7 4.3 6.3 5.7 5.3 6.3 6.0 5.7 GO-143 5.3 4.7 7.0 5.3 5.0 5.7 6.3 5.7 JR-123 5.3 4.0 5.3 6.0 5.0 6.3 7.3 5.7 PPG-PR 367 5.3 4.0 5.3 5.7 5.0 6.7 7.7 5.7 PST-2BDT 5.3 4.3 6.0 5.0 5.0 6.7 7.3 5.7 SAGUARO 5.3 4.3 7.0 5.7 4.7 6.0 6.3 5.7 ALLSTAR III 5.3 3.3 6.3 6.0 4.7 6.0 7.3 5.6 GREEN SUPREME+ (AMP-R1) 5.3 4.3 7.0 5.0 5.0 6.0 6.3 5.6 BAR LP 6131 5.7 5.0 5.7 6.0 5.3 5.7 6.0 5.6 GO-141 5.7 5.0 6.7 5.0 4.3 6.0 6.7 5.6 MENSA 5.3 3.0 5.7 5.7 4.7 7.3 7.0 5.6 BAR LP 6162 5.7 3.0 6.0 6.3 5.3 5.3 6.7 5.4 JR-888 5.0 4.0 5.7 6.0 4.3 6.0 6.3 5.4 LPB-SD-104 5.0 3.3 6.7 6.0 4.7 5.7 6.3 5.4 LPB-SD-101 5.0 3.0 6.0 5.3 4.3 6.3 7.0 5.3 KARMA 5.7 3.7 6.0 4.7 4.3 5.3 7.0 5.2 SAVANT 4.3 3.3 6.0 4.7 4.3 5.7 6.0 5.0 GO-142 5.0 3.7 6.0 5.0 4.3 5.0 5.7 4.9 LINN 5.7 5.3 4.0 4.7 5.3 4.0 4.7 4.7 JR-747 4.7 3.0 5.7 5.0 4.3 5.0 4.3 4.6 LSD VALUE 1.5 1.7 3.3 2.7 1.8 2.2 2.8 1.2 C.V. (%) 13.3 18.6 15.1 16.8 15.0 15.4 15.7 9.8 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. 2018 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 IA1 SANDY CLAY LOAM 7.1-7.5 0-60 0-150 2.1-3.0 FULL SUN 2.6-3.0 TO PREVENT DORMANCY