TABLE 1. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2013 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC QUALITY RATINGS NAME COLOR MAY JUN JUL AUG SEP OCT MEAN PANGEA GLR (CL 11701) 8.0 6.3 6.0 5.7 6.3 6.3 7.7 6.4 PST-2BNS 7.3 7.7 5.7 6.3 6.7 5.7 6.0 6.3 THRIVE (IS-PR 469) 7.0 7.3 6.7 6.0 5.7 5.7 6.3 6.3 APR 2320 7.3 6.0 5.7 5.7 6.3 6.3 7.0 6.2 PST-2NKM 7.3 6.0 6.0 6.3 6.7 5.7 6.7 6.2 RAD-PR62 7.3 5.3 6.7 6.0 6.7 6.0 6.7 6.2 BAR LP 10970 6.7 5.3 6.3 6.0 6.0 6.3 6.3 6.1 CL 11601 7.7 5.7 5.7 6.7 6.0 6.3 6.0 6.1 GRAND SLAM GLD (PPG-PR 164) 6.7 6.3 6.0 6.0 6.7 5.7 6.0 6.1 KARMA (PICK 10401) 6.7 5.7 6.7 5.7 6.0 6.0 6.7 6.1 GREEN SUPREME (PPG-PR 121) 7.7 5.7 6.3 5.3 6.0 5.7 7.3 6.1 PACIFIC GEM (PST-2MG7) 7.3 7.0 5.7 5.3 6.0 5.3 7.0 6.1 STELLAR 3GL (PPG-PR 134) 7.7 6.0 6.3 5.3 6.0 6.3 6.7 6.1 SR4660ST (SRX-4MSH) 7.0 5.7 5.7 5.7 5.7 6.7 6.7 6.0 BANFIELD (IS-PR 491) 7.3 5.7 6.0 5.3 5.7 5.7 7.3 5.9 OCTANE 7.7 6.3 6.3 6.0 6.0 5.7 5.0 5.9 PPG-PR 142 7.0 6.3 6.7 5.3 6.0 4.7 6.3 5.9 STAMINA (IS-PR 487) 6.7 6.3 6.7 5.0 5.7 6.0 6.0 5.9 WICKED (SRX-4RHD) 7.7 5.7 5.7 6.0 6.3 5.7 6.0 5.9 A-35 8.3 5.7 5.7 5.3 6.3 5.0 7.0 5.8 APPLE SGL (PPG-PR 140) 7.3 6.0 5.7 5.7 5.7 5.7 6.0 5.8 ASPAIRE (IS-PR 489) 7.7 6.3 5.3 4.7 6.0 5.3 7.3 5.8 DLF LGT 4182 7.3 6.7 6.7 4.7 5.7 4.7 6.7 5.8 GO-PR60 8.0 6.3 6.0 6.3 6.0 5.0 5.3 5.8 HANCOCK (IS-PR 479) 7.3 6.3 6.3 5.3 5.3 4.7 7.0 5.8 JR-192 6.0 6.0 7.0 5.0 5.0 5.3 6.7 5.8 PILLAR (CST) 6.7 6.3 5.3 6.0 5.7 5.3 6.3 5.8 PPG-PR 136 6.7 6.3 6.0 5.3 5.0 5.0 7.0 5.8 PST-2ACR 7.7 5.3 5.7 6.0 5.7 5.7 6.7 5.8 BONNEVILLE 7.7 5.7 5.3 5.7 6.0 5.7 5.7 5.7 EVOLUTION (S85) 7.7 6.0 6.0 5.0 5.3 6.0 6.0 5.7 AMAZING A+ (PPG-PR 138) 7.3 6.0 5.3 5.3 5.7 5.3 6.3 5.7 BAR LP 7608 6.7 6.0 5.7 5.3 5.3 5.3 5.7 5.6 SEDUCTIVE (ISG-30) 8.0 6.0 5.7 4.3 5.7 4.7 7.0 5.6 LTP-RAE 8.0 5.0 5.3 5.3 6.3 5.3 6.3 5.6 PREMIUM (PPG-PR 137) 7.0 4.7 5.7 5.3 5.3 6.0 6.7 5.6 RAD-PR55R 7.3 5.7 6.0 4.7 5.0 5.0 7.0 5.6 SIDEWAYS (PSRX-S84) 7.3 6.7 6.3 4.0 4.3 5.7 6.3 5.6 SR 4650 (PSRX-3701) 6.7 6.3 5.7 5.0 4.7 5.0 6.7 5.6 PST-2NJK 6.7 5.7 5.3 4.7 5.3 5.7 6.3 5.5 EXCELLENCE (ISG-31) 8.0 5.0 5.0 5.3 6.0 5.0 6.7 5.5 PPG-PR 165 6.7 6.0 5.3 5.7 5.7 4.7 5.7 5.5 SALINAS II (PST-204D) 6.7 5.0 4.7 5.3 6.0 5.7 6.3 5.5 PST-2K9 7.0 5.3 6.0 6.0 4.3 5.7 5.7 5.5 UNO 7.0 5.7 5.3 5.3 5.7 5.0 6.0 5.5 BANDALORE (IS-PR 463) 7.0 6.0 5.7 4.3 5.3 4.7 6.3 5.4 CL 307 6.7 6.0 5.7 4.7 4.7 5.0 6.7 5.4 TABLE 1. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2010 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2013 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC QUALITY RATINGS NAME COLOR MAY JUN JUL AUG SEP OCT MEAN LTP-PR 135 6.7 5.0 5.7 4.3 5.0 5.3 7.0 5.4 PINNACLE 5.7 5.0 5.3 5.7 6.0 6.0 4.7 5.4 PROMINENT (CS-20) 6.3 6.0 5.7 4.7 5.3 4.7 6.0 5.4 PRX-4GM1 7.0 5.0 4.7 5.3 5.7 5.3 6.3 5.4 PST-2DR9 7.0 5.7 5.0 5.0 6.0 4.7 6.3 5.4 ALLANTE 6.3 6.0 4.7 4.7 5.7 5.0 5.7 5.3 APR 2445 7.3 5.3 5.0 5.0 5.7 4.7 6.0 5.3 FASTBALL RGL (PPG-PR 133) 7.0 6.0 5.3 4.7 5.3 5.3 5.0 5.3 FIESTA 4 6.3 6.3 5.3 5.0 4.3 4.3 6.7 5.3 GO-G37 7.3 5.7 5.3 4.7 5.0 5.0 6.0 5.3 DILIGENT (IS-PR 492) 7.3 6.0 5.0 4.3 5.3 5.0 6.3 5.3 PALMER V 6.7 5.3 5.0 4.3 5.0 5.3 7.0 5.3 PLAYOFF 2 (P02) 7.0 5.3 5.0 4.3 6.0 5.7 5.7 5.3 PST-2TQL 6.3 5.3 5.7 4.7 5.3 5.0 5.7 5.3 BAR LP 10969 6.3 6.3 5.3 4.3 4.3 5.0 5.7 5.2 CS-PR66 7.0 5.7 5.7 5.0 5.3 4.0 5.7 5.2 DLF LGD-3022 6.3 5.3 4.7 5.3 5.0 5.0 5.7 5.2 DOMINATOR (PST-2AG4) 6.7 6.0 5.3 4.3 4.7 5.0 6.0 5.2 HAVEN (APR 2038) 7.0 5.3 5.0 5.7 5.0 4.7 5.7 5.2 PIZZAZZ 2 GLR (PR 909) 6.0 6.3 5.3 4.0 5.0 5.0 5.7 5.2 RIO VISTA 7.3 6.0 4.7 4.7 5.3 5.0 5.7 5.2 SOX FAN (GM3) 6.7 5.0 4.7 4.7 5.3 5.7 5.7 5.2 SUNSTREAKER (APR 2036) 6.3 5.7 4.7 5.0 4.7 4.3 6.0 5.1 JR-178 6.7 5.3 5.0 4.0 5.3 5.0 6.0 5.1 BAR LP 10972 7.0 5.7 5.0 4.7 4.7 3.7 5.7 4.9 BRIGHTSTAR SLT 6.3 4.7 5.7 4.3 5.3 4.0 5.3 4.9 VINTAGE (ISG-36) 7.0 5.0 5.0 3.7 5.0 4.3 6.3 4.9 MANHATTAN 6 GLR (PST-2MAGS) 7.0 5.0 5.0 3.7 4.3 5.3 6.0 4.9 PPG-PR 128 7.7 5.3 4.7 5.0 5.0 5.0 4.7 4.9 MONSIEUR (IS-PR 488) 7.7 5.0 4.7 5.3 4.7 4.3 4.7 4.8 PROVOST (PPG-PR 143) 8.0 4.7 4.7 4.3 5.0 5.0 5.3 4.8 PSRX-4CAGL 7.0 4.3 6.0 4.0 5.0 4.0 5.7 4.8 INSIGHT 7.0 4.7 5.0 4.7 4.3 4.3 5.3 4.7 RINOVO 7.3 4.7 5.0 4.3 5.0 4.3 5.0 4.7 GO-DHS 7.7 4.7 4.0 3.7 4.0 4.7 6.7 4.6 LINN 6.0 3.3 3.3 6.3 6.0 5.3 3.3 4.6 RIPTIDE (IS-PR 409) 6.7 5.0 5.0 3.3 3.7 3.7 6.3 4.5 PICK 4DFHM 7.0 4.7 3.7 4.7 4.3 4.0 5.3 4.4 SIENNA 7.3 4.7 4.3 4.0 4.3 4.3 5.0 4.4 DLF LGD-3026 6.0 4.3 4.7 3.3 4.0 3.7 5.0 4.2 MACH I 6.7 4.7 4.3 3.7 4.0 3.7 4.7 4.2 LSD VALUE 2.6 4.9 3.9 2.6 3.4 1.8 2.9 2.2 C.V. (%) 11.9 21.3 20.5 20.7 19.8 16.5 17.7 13.9 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. TABLE A. 2013 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 2010 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 0-60 241-375 2.1-3.0 FULL SUN 2.6-3.0 TO PREVENT STRESS