TABLE 3. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2012 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ RED QUALITY RATINGS NAME THREAD APR MAY JUN JUL AUG SEP OCT MEAN EVOLUTION (S85) 5.0 6.7 6.7 7.7 5.7 6.3 5.7 5.3 6.3 APR 2320 5.0 6.7 7.0 6.0 6.7 6.3 5.0 5.0 6.1 PST-2BNS 6.0 5.7 6.3 6.7 7.0 6.3 5.0 5.7 6.1 PST-2MG7 5.3 6.7 6.7 6.7 6.0 6.3 4.7 5.7 6.1 BAR LP 10969 5.7 6.3 6.7 6.0 6.0 5.7 5.0 6.3 6.0 PROMINENT (CS-20) 4.3 6.7 6.7 6.0 5.0 6.3 5.7 6.0 6.0 KARMA (PICK 10401) 4.7 5.7 6.3 7.0 6.3 5.7 5.0 6.3 6.0 PANGEA GLR (CL 11701) 5.0 6.3 7.0 6.3 6.0 6.3 4.7 5.3 6.0 RAD-PR62 5.7 6.0 5.0 5.7 6.0 6.7 6.3 6.3 6.0 DLF LGT 4182 4.7 6.0 6.0 5.7 5.0 6.0 6.0 6.3 5.9 APPLE SGL (PPG-PR 140) 5.0 5.7 7.0 7.0 5.7 5.7 4.3 5.7 5.9 WICKED (SRX-4RHD) 6.7 6.0 6.7 5.3 6.7 5.7 5.0 5.7 5.9 CL 11601 4.7 6.7 6.7 6.3 6.0 5.3 4.0 5.3 5.8 STAMINA (IS-PR 487) 5.7 6.3 6.0 6.0 6.7 4.7 4.7 6.0 5.8 STELLAR 3GL (PPG-PR 134) 5.3 5.3 6.3 6.3 7.0 5.3 4.7 5.3 5.8 BONNEVILLE 5.3 6.0 6.3 6.0 6.3 5.3 4.7 5.0 5.7 PILLAR (CST) 5.7 5.3 5.7 6.0 6.7 6.0 4.3 5.7 5.7 THRIVE (IS-PR 469) 4.7 6.7 7.3 6.7 5.7 5.3 3.3 5.0 5.7 ASPAIRE (IS-PR 489) 4.7 6.0 7.0 6.0 6.0 5.3 4.7 5.0 5.7 PIZZAZZ 2 GLR (PR 909) 5.3 6.0 6.3 6.7 6.0 5.3 4.7 4.7 5.7 PPG-PR 121 5.0 5.7 6.7 6.3 5.7 5.3 5.0 5.3 5.7 PREMIUM (PPG-PR 137) 5.0 6.0 6.3 6.0 5.7 6.3 4.7 4.7 5.7 PST-204D 4.7 5.7 6.0 6.3 5.3 6.0 5.3 5.3 5.7 PST-2ACR 4.0 7.0 6.7 6.7 5.3 5.0 4.3 4.7 5.7 PST-2TQL 5.0 6.3 6.3 6.0 5.7 6.3 4.7 4.7 5.7 CL 307 4.3 6.3 5.7 7.0 5.7 5.0 4.7 4.7 5.6 DLF LGD-3022 4.7 6.3 7.0 6.3 6.0 5.3 4.0 4.3 5.6 DOMINATOR (PST-2AG4) 3.7 6.7 6.3 7.3 5.0 5.7 3.7 4.3 5.6 HAVEN (APR 2038) 5.3 5.7 6.0 6.0 6.0 5.3 4.7 5.3 5.6 BANFIELD (IS-PR 491) 4.3 6.0 6.7 6.0 5.7 6.0 4.3 4.7 5.6 IS-PR 492 5.3 5.7 6.3 6.3 5.7 5.3 4.3 5.3 5.6 ISG-30 3.7 5.7 6.3 5.7 5.7 6.0 5.3 4.7 5.6 PST-2K9 3.3 5.7 6.3 5.7 4.3 5.7 5.7 5.7 5.6 PST-2NKM 5.0 6.3 6.0 6.3 6.7 5.0 4.0 5.0 5.6 RIO VISTA 5.0 6.0 6.3 6.7 5.7 4.7 5.0 4.7 5.6 A-35 5.3 5.3 5.3 5.0 5.3 6.7 6.0 5.0 5.5 APR 2036 4.0 5.7 5.7 5.3 5.0 5.3 5.3 6.0 5.5 GO-PR60 4.7 6.0 6.3 5.7 6.0 5.0 4.7 4.7 5.5 ISG-36 4.0 6.3 5.7 6.3 5.3 5.3 4.3 5.0 5.5 OCTANE 5.3 5.3 6.7 6.3 5.7 5.3 4.0 5.0 5.5 FASTBALL RGL (PPG-PR 133) 5.7 5.3 5.7 6.3 6.7 5.0 4.3 5.0 5.5 GRAND SLAM GLD (PPG-PR 164) 5.0 6.0 5.3 6.0 6.3 5.3 4.7 4.7 5.5 PST-2DR9 4.3 6.0 5.7 5.7 5.7 4.7 5.0 5.7 5.5 SR 4650 (PSRX-3701) 4.3 6.0 6.7 6.3 5.7 5.3 4.0 4.7 5.5 FIESTA 4 3.7 6.0 6.0 6.0 4.7 5.3 4.7 5.0 5.4 BANDALORE (IS-PR 463) 5.0 6.0 7.0 6.7 5.0 5.0 4.0 4.3 5.4 JR-178 5.0 6.3 6.7 6.0 5.0 5.3 4.0 4.3 5.4 TABLE 3. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2010 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2012 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ RED QUALITY RATINGS NAME THREAD APR MAY JUN JUL AUG SEP OCT MEAN PPG-PR 128 4.7 5.7 5.7 5.3 5.3 5.7 5.0 5.3 5.4 PPG-PR 136 5.0 6.0 5.7 7.0 5.7 6.0 3.7 4.0 5.4 PPG-PR 138 4.0 5.7 6.3 5.7 5.3 5.0 4.7 5.3 5.4 PPG-PR 143 5.3 5.3 6.3 6.0 5.0 6.0 4.0 5.0 5.4 RAD-PR55R 4.0 6.0 6.7 5.7 4.7 6.0 3.7 5.0 5.4 SIDEWAYS (PSRX-S84) 5.0 6.0 6.3 6.7 5.3 4.7 4.3 4.3 5.4 2NJK 4.3 5.7 6.0 6.3 5.3 5.3 4.0 4.7 5.3 APR 2445 4.7 6.3 6.0 5.3 5.7 4.3 4.3 5.3 5.3 BAR LP 10970 5.0 6.0 6.7 6.0 5.0 5.7 3.7 4.3 5.3 BAR LP 10972 4.3 5.3 6.7 6.0 4.3 5.3 5.0 4.3 5.3 BAR LP 7608 4.0 5.3 5.7 6.0 5.3 5.0 4.3 5.7 5.3 GO-DHS 3.0 6.0 5.7 5.3 5.0 5.7 4.7 4.7 5.3 ISG-31 3.7 5.7 6.0 5.7 4.7 5.7 4.7 5.0 5.3 PPG-PR 142 5.0 5.7 6.7 6.3 5.3 5.0 3.7 4.7 5.3 PPG-PR 165 4.7 6.0 6.3 6.7 4.7 5.0 3.7 4.7 5.3 CS-PR66 4.3 6.0 6.3 6.0 5.0 5.3 4.0 4.0 5.2 GO-G37 4.0 5.7 5.7 5.0 4.7 4.7 5.7 5.0 5.2 PICK 4DFHM 3.7 5.0 5.7 6.0 5.0 5.0 5.0 4.7 5.2 PINNACLE 4.7 6.0 5.3 5.7 6.0 4.7 4.0 5.0 5.2 PLAYOFF 2 (P02) 5.7 5.7 5.3 6.3 6.3 4.7 4.0 4.3 5.2 PRX-4GM1 4.0 6.0 6.3 6.0 5.0 5.0 4.0 4.0 5.2 RINOVO 3.7 5.3 5.7 6.0 5.0 5.3 5.3 4.0 5.2 LTP-PR 135 5.3 5.0 6.0 5.7 6.0 4.7 4.0 4.7 5.1 UNO 4.0 6.3 6.3 6.3 5.3 4.0 3.3 4.3 5.1 ALLANTE 4.3 5.3 6.3 5.7 5.7 4.0 4.3 4.0 5.0 HANCOCK (IS-PR 479) 3.7 5.3 5.7 5.3 4.7 5.3 4.3 4.3 5.0 LTP-RAE 5.3 5.0 6.0 5.0 5.7 5.0 4.3 4.0 5.0 MACH I 3.3 5.7 6.3 5.7 4.7 4.7 4.0 4.3 5.0 PALMER V 4.3 5.3 5.7 6.0 5.0 4.3 4.7 4.3 5.0 SRX-4MSH 4.7 6.0 5.7 4.7 5.3 4.7 3.7 4.7 5.0 BRIGHTSTAR SLT 3.3 6.3 6.0 5.7 4.7 4.7 2.7 4.0 4.9 SOX FAN (GM3) 4.3 5.3 5.3 5.3 5.0 4.3 4.3 4.3 4.9 JR-192 4.3 5.7 6.0 5.3 4.3 5.0 3.3 4.0 4.8 IS-PR 409 4.0 5.0 5.7 5.7 4.3 4.3 3.3 4.7 4.7 IS-PR 488 3.3 6.0 6.0 5.3 4.3 4.7 3.0 3.7 4.7 PSRX-4CAGL 3.3 5.7 6.0 5.7 3.3 4.7 4.0 3.7 4.7 DLF LGD-3026 4.0 5.3 6.3 5.3 4.3 4.7 3.0 3.3 4.6 MANHATTAN 6 GLR (PST-2MAGS) 3.3 5.7 5.3 5.0 4.7 4.7 3.0 4.0 4.6 SIENNA 3.7 4.3 5.7 5.3 4.7 4.0 4.3 4.0 4.6 INSIGHT 3.3 5.0 5.3 5.0 4.0 3.3 3.3 4.3 4.3 LINN 6.3 4.3 4.3 4.0 5.0 3.0 4.3 4.0 4.1 LSD VALUE 2.0 3.1 4.0 5.1 1.9 2.3 5.3 5.4 2.4 C.V. (%) 20.9 14.3 15.2 18.4 16.8 18.2 28.3 24.6 12.3 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. 2012 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 0-150 2.1-3.0 FULL SUN 2.6-3.0 TO PREVENT STRESS