TABLE 4. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK, MD 1/ 2013 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME APR MAY JUN JUL OCT NOV DEC MEAN PANGEA GLR (CL 11701) 7.7 6.7 7.7 7.7 6.0 6.7 6.3 7.0 CL 11601 7.3 7.0 7.3 7.0 6.0 6.7 6.0 6.8 SR 4650 (PSRX-3701) 7.0 7.0 7.0 6.7 6.0 6.3 5.7 6.5 CL 307 6.3 6.3 6.7 6.0 6.3 6.7 6.3 6.4 PPG-PR 165 6.3 6.0 6.7 6.3 6.0 6.0 5.7 6.1 SIDEWAYS (PSRX-S84) 6.7 6.7 6.3 6.3 5.7 5.7 5.3 6.1 SUNSTREAKER (APR 2036) 6.7 7.0 6.7 7.3 4.3 5.3 5.0 6.0 EVOLUTION (S85) 6.7 6.3 6.3 6.0 5.3 6.0 5.7 6.0 KARMA (PICK 10401) 6.7 7.0 6.3 6.0 5.0 5.3 5.3 6.0 PPG-PR 136 6.3 6.0 6.7 6.3 5.7 5.7 5.3 6.0 PPG-PR 142 6.7 6.7 6.7 7.0 5.0 5.3 5.0 6.0 PST-2BNS 6.7 6.0 6.3 6.7 5.3 5.7 5.3 6.0 WICKED (SRX-4RHD) 7.0 6.3 6.3 7.3 5.0 5.3 5.0 6.0 HAVEN (APR 2038) 6.7 6.7 6.7 6.7 4.7 5.0 4.7 5.9 PROVOST (PPG-PR 143) 7.0 6.7 6.3 7.0 5.0 5.0 4.0 5.9 APPLE SGL (PPG-PR 140) 6.0 6.7 6.0 6.3 4.7 5.7 5.0 5.8 DLF LGD-3022 6.7 6.3 6.3 6.7 4.7 5.3 4.7 5.8 LTP-PR 135 6.7 6.7 6.7 6.3 4.7 5.3 4.3 5.8 PIZZAZZ 2 GLR (PR 909) 7.0 6.7 7.3 7.3 4.0 4.3 4.0 5.8 GREEN SUPREME (PPG-PR 121) 6.7 7.0 6.7 6.7 4.3 5.0 4.0 5.8 MONSIEUR (IS-PR 488) 6.3 6.3 6.3 6.0 5.0 5.3 4.7 5.7 RIO VISTA 6.7 6.0 6.3 6.3 4.3 5.3 5.0 5.7 OCTANE 6.7 7.0 6.3 5.7 4.7 4.7 4.0 5.6 PRX-4GM1 6.7 7.0 6.3 6.3 4.3 4.3 4.0 5.6 GRAND SLAM GLD (PPG-PR 164) 6.3 5.7 6.0 6.0 5.0 4.7 5.0 5.5 DILIGENT (IS-PR 492) 6.0 5.7 5.7 5.7 5.3 5.3 5.0 5.5 PREMIUM (PPG-PR 137) 6.3 6.3 6.0 6.3 4.7 4.7 4.3 5.5 PST-2NKM 5.7 6.3 5.7 6.0 5.0 5.0 5.0 5.5 RINOVO 7.0 7.0 6.7 7.0 3.3 4.0 3.7 5.5 UNO 5.7 5.7 6.0 5.7 4.7 5.3 5.3 5.5 BANDALORE (IS-PR 463) 6.0 6.7 6.3 6.7 4.0 4.3 4.0 5.4 BANFIELD (IS-PR 491) 6.3 6.7 6.0 6.3 4.0 4.7 4.0 5.4 PST-2K9 6.0 6.3 5.7 5.3 4.7 5.0 5.0 5.4 STAMINA (IS-PR 487) 6.3 6.3 6.0 5.7 4.3 4.7 4.3 5.4 THRIVE (IS-PR 469) 6.3 5.7 5.7 6.0 4.7 5.0 4.7 5.4 PST-2NJK 5.7 5.7 5.7 5.3 4.7 5.3 4.7 5.3 ASPAIRE (IS-PR 489) 6.0 6.0 6.0 5.3 4.3 5.0 4.7 5.3 BONNEVILLE 6.3 6.3 5.7 6.0 4.0 4.7 4.0 5.3 STELLAR 3GL (PPG-PR 134) 6.0 6.0 5.7 5.7 4.7 4.7 4.3 5.3 FASTBALL RGL (PPG-PR 133) 6.3 6.0 6.0 6.0 3.7 4.7 3.7 5.2 JR-178 6.0 5.7 5.7 5.7 4.7 4.7 4.0 5.2 PILLAR (CST) 5.7 5.7 6.0 6.0 4.7 4.7 4.0 5.2 AMAZING A+ (PPG-PR 138) 5.7 6.0 5.3 5.3 5.3 4.7 4.0 5.2 SR4660ST (SRX-4MSH) 6.0 6.0 6.0 5.7 4.0 4.7 4.0 5.2 MANHATTAN 6 GLR (PST-2MAGS) 7.0 6.0 5.7 5.0 4.0 4.3 3.7 5.1 PPG-PR 128 6.3 5.3 5.7 5.7 4.7 4.0 4.3 5.1 PST-2DR9 5.0 5.3 5.3 5.0 5.0 5.3 4.7 5.1 TABLE 4. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2010 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK, MD 1/ 2013 DATA TURFGRASS QUALITY RATINGS 1-9; 9=BEST 2/ NAME APR MAY JUN JUL OCT NOV DEC MEAN APR 2445 6.0 5.3 5.3 5.7 4.3 4.3 4.3 5.0 PSRX-4CAGL 6.0 6.0 5.3 5.0 4.3 4.3 4.0 5.0 PACIFIC GEM (PST-2MG7) 5.0 5.3 5.3 5.7 4.7 4.7 4.7 5.0 PALMER V 5.3 5.0 5.0 4.7 5.0 4.7 4.7 4.9 PLAYOFF 2 (P02) 5.0 5.7 5.0 5.0 4.3 4.7 4.3 4.9 SOX FAN (GM3) 5.7 5.7 5.3 4.7 4.0 4.3 4.3 4.9 CS-PR66 6.0 5.3 5.0 5.7 4.0 4.0 3.7 4.8 BAR LP 10970 5.0 5.7 5.3 5.3 3.3 4.0 4.3 4.7 DLF LGD-3026 6.0 5.7 5.3 5.0 3.7 3.7 3.7 4.7 LTP-RAE 5.3 5.3 5.0 5.3 4.0 4.0 4.0 4.7 RIPTIDE (IS-PR 409) 5.7 5.3 5.3 5.0 3.7 4.0 3.3 4.6 PICK 4DFHM 5.7 5.3 4.7 5.0 3.7 4.0 4.0 4.6 PST-2ACR 5.3 5.0 4.7 4.0 4.3 4.3 4.7 4.6 FIESTA 4 6.0 5.7 5.3 4.0 3.3 3.7 3.7 4.5 SALINAS II (PST-204D) 4.7 5.3 4.7 4.3 3.7 4.0 4.0 4.4 ENTRY 89 4.7 5.0 4.7 4.3 4.0 4.0 3.7 4.3 A-35 4.3 4.3 4.3 4.0 4.0 4.0 4.3 4.2 RAD-PR55R 4.7 5.0 4.7 4.3 3.3 3.3 3.3 4.1 DOMINATOR (PST-2AG4) 4.7 4.3 4.3 4.0 3.3 4.0 3.3 4.0 HANCOCK (IS-PR 479) 3.7 4.3 4.0 4.0 4.0 3.7 4.3 4.0 VINTAGE (ISG-36) 4.7 4.3 4.0 3.7 4.0 3.7 4.0 4.0 GO-PR60 4.3 4.3 4.0 4.3 3.3 3.3 3.3 3.9 BAR LP 10972 4.3 4.3 3.7 3.3 3.3 3.7 3.7 3.8 JR-192 4.3 4.3 4.0 4.7 3.0 3.3 2.7 3.8 ALLANTE 4.3 4.3 4.0 4.3 2.3 3.3 3.0 3.7 BRIGHTSTAR SLT 4.0 4.0 3.7 3.3 3.3 3.7 3.7 3.7 GO-G37 4.0 3.7 3.7 3.3 3.7 3.7 3.7 3.7 EXCELLENCE (ISG-31) 4.0 3.7 3.7 3.7 3.3 3.7 3.7 3.7 PROMINENT (CS-20) 4.0 4.0 3.7 3.0 3.7 3.7 3.7 3.7 PST-2TQL 4.3 4.3 4.0 3.7 3.3 3.0 3.3 3.7 SEDUCTIVE (ISG-30) 4.3 4.0 3.7 3.3 3.3 3.3 3.3 3.6 RAD-PR62 4.3 4.0 3.3 3.7 3.0 3.0 3.0 3.5 BAR LP 10969 3.3 3.7 3.3 3.3 3.0 3.7 3.3 3.4 DLF LGT 4182 4.0 3.7 3.3 3.7 2.7 3.3 3.0 3.4 PINNACLE 3.7 4.0 3.7 4.0 2.0 2.3 2.3 3.1 APR 2320 3.0 3.3 3.3 3.3 2.3 2.7 2.7 3.0 MACH I 3.3 3.3 3.0 3.0 2.7 2.7 2.7 3.0 INSIGHT 2.7 3.0 3.0 3.0 2.0 2.3 2.3 2.6 GO-DHS 2.7 2.3 2.3 2.7 2.0 2.3 2.7 2.4 SIENNA 2.3 2.7 2.7 3.0 2.0 2.0 2.3 2.4 BAR LP 7608 2.3 2.7 2.3 2.7 1.7 2.0 2.0 2.2 LINN 2.0 2.0 2.0 2.0 2.0 2.3 2.7 2.1 LSD VALUE 1.2 1.0 1.1 1.4 1.2 1.5 1.5 0.8 C.V. (%) 14.7 12.6 14.3 17.5 18.8 21.0 21.6 11.4 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 MD1 SILT LOAM AND SILT 6.1-6.5 61-150 151-240 2.1-3.0 FULL SUN 0.0-0.5 TO PREVENT STRESS