TABLE 6. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK, MD 1/ 2012 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GRAY PERCENT QUALITY RATINGS NAME LEAF SPOT POA ANNUA MAY JUN JUL AUG SEP OCT NOV DEC MEAN RINOVO 8.3 2.3 7.0 7.0 6.7 5.3 6.7 7.3 7.3 7.3 6.8 SR 4650 (PSRX-3701) 8.3 1.3 6.7 6.7 6.0 5.0 6.0 7.3 6.7 6.7 6.4 CL 11601 8.7 2.3 6.3 5.7 5.7 4.7 6.0 7.7 7.3 7.3 6.3 PIZZAZZ 2 GLR (PR 909) 8.3 5.3 6.7 5.7 6.0 5.0 6.0 7.0 6.7 7.3 6.3 PPG-PR 143 8.0 3.3 6.7 6.7 6.0 4.3 5.3 7.0 7.0 7.3 6.3 KARMA (PICK 10401) 8.7 2.3 6.7 5.7 5.7 4.3 6.0 7.3 6.7 6.7 6.1 PPG-PR 121 8.7 3.0 6.3 6.0 6.0 4.7 5.7 7.3 6.7 6.3 6.1 SIDEWAYS (PSRX-S84) 8.3 3.0 6.3 6.0 5.7 5.0 6.0 6.7 6.7 6.7 6.1 CL 307 8.7 2.3 6.0 5.3 5.7 5.3 6.0 7.0 6.3 6.3 6.0 EVOLUTION (S85) 8.0 6.7 6.3 5.0 5.0 4.3 5.7 7.7 7.0 7.0 6.0 HAVEN (APR 2038) 8.7 2.3 6.0 5.7 5.3 4.3 5.7 7.3 7.0 7.0 6.0 PANGEA GLR (CL 11701) 8.7 7.7 6.3 5.3 5.3 4.3 5.7 7.7 6.7 6.7 6.0 GRAND SLAM GLD (PPG-PR 164) 8.3 2.0 6.3 6.3 6.0 4.3 5.3 6.3 6.7 6.7 6.0 APR 2036 8.7 4.7 6.0 5.7 5.3 4.3 5.3 7.3 6.3 6.7 5.9 PRX-4GM1 8.7 3.7 6.3 6.0 5.3 4.3 5.3 6.7 6.7 6.7 5.9 BONNEVILLE 8.0 3.7 6.3 5.7 5.0 3.7 5.3 6.7 6.7 6.7 5.8 LTP-PR 135 8.7 4.3 6.0 5.3 5.0 4.3 5.3 6.7 6.7 6.7 5.8 PPG-PR 138 8.3 5.0 6.7 5.7 5.3 4.0 5.3 6.7 6.3 6.3 5.8 ASPAIRE (IS-PR 489) 8.7 5.0 6.0 5.3 5.3 4.0 5.3 6.7 6.3 6.3 5.7 APPLE SGL (PPG-PR 140) 8.7 4.0 6.0 5.7 5.0 4.3 5.7 6.7 6.3 6.0 5.7 PPG-PR 165 8.7 2.7 5.7 5.7 5.3 4.3 5.7 6.7 6.0 6.3 5.7 PPG-PR 136 8.3 6.3 6.0 5.0 4.7 4.0 5.3 7.3 6.3 6.3 5.6 STAMINA (IS-PR 487) 7.3 2.3 6.7 6.3 5.0 4.3 4.7 4.7 5.7 6.3 5.5 MANHATTAN 6 GLR (PST-2MAGS) 8.0 5.7 6.0 4.7 5.0 4.0 5.0 6.3 6.3 6.7 5.5 STELLAR 3GL (PPG-PR 134) 8.3 5.7 6.0 5.0 5.3 3.7 5.0 6.3 6.3 6.3 5.5 PREMIUM (PPG-PR 137) 8.7 4.3 6.0 5.3 4.7 3.7 5.0 6.7 6.3 6.7 5.5 PPG-PR 142 8.7 2.7 5.3 5.3 5.3 4.3 5.3 6.3 6.0 6.3 5.5 PSRX-4CAGL 7.7 8.0 6.0 5.3 5.0 3.7 5.0 6.3 6.3 6.7 5.5 IS-PR 488 8.0 6.0 6.0 5.0 5.0 4.0 4.7 5.7 6.0 6.7 5.4 FASTBALL RGL (PPG-PR 133) 8.0 6.0 5.7 5.0 4.7 4.0 4.7 6.3 6.0 6.7 5.4 RIO VISTA 7.7 5.0 6.0 5.3 5.0 4.0 4.3 5.7 6.0 6.7 5.4 UNO 6.0 4.7 5.7 5.7 5.3 5.0 4.7 5.7 5.3 5.7 5.4 FIESTA 4 8.0 8.7 5.7 5.0 5.0 4.3 4.7 5.7 6.0 6.3 5.3 IS-PR 409 8.0 8.7 5.3 4.7 5.0 4.0 5.0 6.0 5.7 6.3 5.3 BANDALORE (IS-PR 463) 8.0 8.0 5.7 5.0 5.0 4.0 4.7 6.3 6.0 6.0 5.3 BANFIELD (IS-PR 491) 8.0 7.7 6.0 5.3 5.3 4.0 5.0 5.7 5.7 5.7 5.3 IS-PR 492 7.7 6.3 5.7 5.0 5.0 4.0 4.7 5.7 6.0 6.0 5.3 JR-178 8.0 3.7 5.3 5.7 5.3 3.7 5.0 5.7 5.7 5.7 5.3 PST-2BNS 7.3 5.0 6.0 5.0 5.0 3.7 4.7 6.0 6.0 6.3 5.3 SRX-4MSH 8.0 6.0 5.7 5.3 5.3 4.3 4.7 5.3 5.7 6.0 5.3 DLF LGD-3022 8.0 8.0 5.0 4.7 4.7 4.3 5.0 5.7 6.0 6.3 5.2 THRIVE (IS-PR 469) 8.0 10.0 5.7 4.7 4.7 4.0 4.7 5.7 5.7 6.7 5.2 OCTANE 7.3 7.0 6.0 5.0 5.0 4.0 4.3 5.0 5.3 6.7 5.2 PPG-PR 128 8.0 6.0 5.3 4.7 4.7 4.0 5.0 6.0 6.0 6.0 5.2 WICKED (SRX-4RHD) 8.0 8.7 5.7 4.3 4.7 3.7 4.3 6.3 6.0 6.7 5.2 APR 2445 8.0 16.3 5.7 4.7 4.7 4.0 4.7 5.7 5.3 6.0 5.1 CS-PR66 8.3 10.3 4.7 4.7 5.0 4.3 4.3 6.0 5.7 6.0 5.1 TABLE 6. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2010 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK, MD 1/ 2012 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GRAY PERCENT QUALITY RATINGS NAME LEAF SPOT POA ANNUA MAY JUN JUL AUG SEP OCT NOV DEC MEAN PST-2K9 8.0 6.7 5.7 5.0 5.0 3.7 4.7 5.3 5.7 6.0 5.1 SOX FAN (GM3) 8.0 6.3 6.0 5.0 5.0 3.7 4.7 5.3 5.7 5.7 5.1 DLF LGD-3026 8.0 15.7 5.0 4.3 4.7 3.7 5.0 6.0 5.7 6.0 5.0 2NJK 6.7 6.0 5.3 4.7 5.0 4.7 4.3 4.7 4.7 5.7 4.9 PALMER V 7.3 8.0 5.7 5.0 5.0 3.7 4.0 5.0 5.0 5.7 4.9 BAR LP 10970 7.7 9.3 5.0 5.0 5.0 4.3 4.7 4.7 4.7 5.0 4.8 PILLAR (CST) 8.0 5.0 4.7 5.0 4.7 4.0 4.3 5.3 5.3 5.3 4.8 LTP-RAE 7.0 4.7 6.0 5.7 4.7 3.0 4.0 4.7 5.0 5.3 4.8 PICK 4DFHM 7.0 8.7 5.3 4.7 5.0 4.0 4.3 4.7 5.0 5.7 4.8 PST-2NKM 7.7 11.3 5.3 4.7 4.3 4.0 4.7 4.7 5.0 5.7 4.8 PLAYOFF 2 (P02) 6.7 8.3 5.0 4.7 4.7 4.0 4.3 4.3 4.7 5.0 4.6 PST-2MG7 7.3 6.0 5.3 4.7 4.3 4.0 4.0 4.3 5.0 5.0 4.6 DOMINATOR (PST-2AG4) 8.0 9.0 5.0 4.3 4.3 3.7 4.3 5.0 4.7 5.0 4.5 JR-192 5.3 3.0 5.0 5.3 5.0 4.7 3.7 3.7 4.0 4.3 4.5 ALLANTE 5.3 3.3 5.3 5.7 5.0 4.0 4.0 3.3 4.0 4.0 4.4 PST-2ACR 5.3 8.3 5.7 5.3 5.0 4.0 3.0 3.3 3.7 5.0 4.4 PST-2DR9 6.0 9.3 5.0 4.3 4.3 3.7 3.7 4.3 4.3 5.0 4.3 RAD-PR55R 7.3 13.0 4.7 4.3 4.7 3.3 4.0 4.3 4.3 4.3 4.3 ISG-31 6.3 10.3 5.0 4.7 4.7 4.0 3.7 3.7 3.7 4.0 4.2 PST-204D 6.7 8.3 5.0 4.7 4.7 3.7 3.7 4.0 4.0 4.0 4.2 PST-2TQL 6.0 8.0 5.0 4.7 4.3 3.7 3.7 3.7 4.3 4.3 4.2 A-35 6.0 17.7 4.7 4.0 4.0 4.0 3.7 3.7 3.7 4.0 4.0 BAR LP 10972 4.0 5.3 5.0 5.0 4.7 4.3 3.0 2.7 3.0 4.0 4.0 HANCOCK (IS-PR 479) 6.7 17.7 4.7 4.0 4.3 4.3 3.7 3.3 3.7 3.7 4.0 ISG-36 6.3 21.0 4.7 3.7 4.0 3.7 3.7 4.0 4.0 4.7 4.0 RAD-PR62 5.7 10.3 5.0 4.3 4.3 4.0 3.3 3.3 3.7 4.3 4.0 GO-PR60 4.7 7.3 5.0 4.7 4.3 3.7 3.0 3.0 3.3 4.0 3.9 ISG-30 6.7 20.7 4.7 4.0 4.0 3.7 3.3 3.7 4.0 4.0 3.9 BRIGHTSTAR SLT 4.7 8.3 5.0 4.7 4.3 4.0 2.7 3.0 3.3 3.7 3.8 PROMINENT (CS-20) 5.7 17.7 4.7 4.3 3.7 3.7 3.3 3.3 3.3 3.7 3.8 GO-G37 6.0 18.3 5.0 4.0 4.3 3.7 3.3 3.3 3.3 3.7 3.8 DLF LGT 4182 6.3 17.0 4.0 3.3 3.7 3.7 3.3 3.3 4.0 4.0 3.7 INSIGHT 4.3 3.7 5.0 5.7 4.7 3.3 3.0 2.7 2.7 2.7 3.7 MACH I 4.0 11.7 4.7 4.0 4.3 4.3 3.0 2.3 2.7 3.3 3.6 PINNACLE 6.3 7.3 4.7 4.0 3.7 2.7 3.0 3.3 3.7 3.7 3.6 BAR LP 10969 4.0 9.0 5.0 4.7 4.3 4.0 2.7 2.0 2.7 2.7 3.5 SIENNA 3.7 4.7 5.3 5.7 4.7 3.7 2.7 2.3 2.0 2.0 3.5 BAR LP 7608 3.7 11.3 4.7 4.3 4.0 3.3 2.7 2.3 2.3 2.3 3.3 APR 2320 4.0 20.3 4.0 4.3 3.7 2.7 2.0 2.3 2.3 2.7 3.0 GO-DHS 4.3 21.0 4.0 3.3 3.0 3.0 2.7 2.3 2.7 2.7 3.0 LINN 3.0 48.3 2.7 2.0 2.0 2.0 2.0 2.0 2.0 2.3 2.1 LSD VALUE 2.0 8.3 0.9 1.0 0.9 1.3 1.2 1.8 1.3 1.3 0.9 C.V. (%) 17.3 63.2 10.7 12.7 11.4 16.2 17.4 22.1 17.0 15.5 11.5 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 MD1 SILT LOAM AND SILT 6.1-6.5 61-150 151-240 3.1-4.0 FULL SUN 2.1-2.5 TO PREVENT DORMANCY