TABLE 9. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK, MD 1/ 2011 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING QUALITY RATINGS NAME GREENUP APR MAY JUN JUL AUG SEP OCT NOV MEAN PPG-PR 138 7.0 5.3 5.3 5.3 6.0 7.0 7.0 7.7 6.7 6.3 OCTANE 8.0 6.0 5.7 5.7 6.0 6.0 6.7 7.0 6.3 6.2 PIZZAZZ 2 GLR (PR 909) 7.7 5.3 5.3 5.3 6.0 6.0 7.0 7.7 6.7 6.2 BAR LP 10970 7.0 5.3 5.0 5.3 6.0 7.3 7.0 7.0 6.0 6.1 PSRX-4CAGL 7.3 5.3 5.3 5.7 6.3 6.7 6.7 6.7 6.3 6.1 PST-2BNS 7.0 5.3 5.0 5.3 6.0 6.7 6.7 7.7 6.0 6.1 PANGEA GLR (CL 11701) 7.3 5.7 4.7 5.0 5.7 6.0 6.7 7.7 6.3 6.0 CL 307 6.7 5.3 5.7 5.0 5.7 6.0 6.7 7.3 6.0 6.0 JR-178 7.7 5.3 5.3 5.3 6.0 6.7 6.7 7.7 5.3 6.0 PALMER V 6.7 5.0 5.7 5.0 6.0 6.0 6.3 7.0 6.7 6.0 PPG-PR 137 7.3 5.7 5.0 5.0 6.0 6.7 6.7 7.0 6.0 6.0 SIDEWAYS (PSRX-S84) 7.7 5.3 5.3 5.3 6.0 6.3 6.7 7.0 6.0 6.0 RINOVO 7.7 5.7 5.3 5.7 5.7 6.0 6.3 6.7 6.3 6.0 RIO VISTA 8.0 5.3 5.0 5.3 5.7 6.7 7.0 7.0 6.3 6.0 ALLANTE 6.7 5.3 5.7 5.3 5.7 6.0 6.7 6.7 6.0 5.9 GO-PR60 7.3 5.3 5.3 5.0 5.7 6.3 6.3 7.3 6.0 5.9 IS-PR 488 7.3 5.3 5.0 5.3 6.0 6.3 6.3 6.7 6.3 5.9 IS-PR 491 7.0 5.0 5.0 5.0 5.7 6.7 6.3 7.0 6.3 5.9 PPG-PR 121 7.0 5.3 5.3 5.0 5.7 6.3 6.3 6.7 6.3 5.9 PPG-PR 143 8.0 6.0 5.0 5.3 5.7 6.0 6.3 6.7 6.0 5.9 APR 2036 7.0 4.7 4.3 5.0 5.7 6.7 7.0 7.0 6.0 5.8 HAVEN (APR 2038) 7.0 5.7 5.0 5.3 6.0 6.0 5.7 6.7 6.0 5.8 BAR LP 10972 6.3 5.0 5.0 5.0 6.0 6.0 6.3 7.0 6.0 5.8 CL 11601 7.3 5.0 5.0 5.3 5.7 6.0 6.0 6.7 6.3 5.8 SOX FAN (GM3) 7.3 5.0 5.0 5.0 5.7 6.0 6.7 6.7 6.3 5.8 PICK 10401 6.7 5.0 5.3 4.7 5.3 6.0 6.3 7.0 6.7 5.8 PPG-PR 134 6.7 5.0 5.3 5.0 5.3 6.0 6.3 7.0 6.3 5.8 PPG-PR 136 7.0 5.0 5.0 5.0 5.7 5.7 6.3 7.0 6.3 5.8 PPG-PR 140 7.3 5.0 5.0 5.0 6.0 5.3 6.3 7.0 6.3 5.8 PRX-4GM1 6.7 5.0 4.7 5.0 6.0 6.3 6.3 6.7 6.3 5.8 SRX-4RHD 7.3 5.0 4.7 5.0 5.7 6.3 6.7 7.0 6.3 5.8 FIESTA 4 7.3 5.3 5.0 4.7 5.3 6.0 6.3 6.7 6.3 5.7 IS-PR 463 6.7 4.7 4.7 5.0 5.7 6.0 6.7 6.7 6.3 5.7 IS-PR 487 6.7 5.0 5.3 5.3 5.3 6.0 6.0 6.3 6.3 5.7 SR 4650 (PSRX-3701) 6.7 4.7 5.0 4.7 5.3 6.3 6.0 6.7 6.7 5.7 PST-2MG7 6.7 4.7 4.7 4.7 6.0 6.0 6.0 7.0 6.3 5.7 SIENNA 7.0 5.0 5.0 5.0 5.3 6.0 6.3 7.0 6.0 5.7 UNO 7.3 5.0 4.3 5.3 5.7 6.0 6.3 7.0 6.0 5.7 DLF LGD-3022 7.0 5.3 5.0 4.7 5.3 6.0 6.7 6.7 5.3 5.6 DLF LGD-3026 7.0 5.3 5.3 5.0 5.7 5.7 5.7 6.7 5.7 5.6 INSIGHT 6.0 4.7 5.3 4.7 5.7 6.0 6.0 6.7 5.7 5.6 IS-PR 409 7.0 5.0 4.7 5.0 5.7 5.7 6.3 6.3 6.0 5.6 IS-PR 469 6.7 4.7 4.7 4.7 5.3 6.0 6.3 7.0 6.0 5.6 IS-PR 489 7.3 5.3 5.0 5.3 5.0 5.7 5.7 6.7 6.0 5.6 PPG-PR 133 7.3 5.0 5.0 5.0 5.3 5.7 6.3 6.7 6.0 5.6 PPG-PR 165 7.0 5.0 5.0 5.0 5.7 5.3 6.0 7.3 5.7 5.6 PST-2ACR 7.0 5.0 4.7 5.0 5.3 6.0 6.0 6.7 6.0 5.6 TABLE 9. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2010 NATIONAL PERENNIAL RYEGRASS TEST AT COLLEGE PARK, MD 1/ 2011 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ SPRING QUALITY RATINGS NAME GREENUP APR MAY JUN JUL AUG SEP OCT NOV MEAN BONNEVILLE 7.0 5.0 5.0 4.7 5.3 5.0 5.7 7.0 6.0 5.5 IS-PR 492 7.3 5.0 5.0 5.3 5.3 5.0 6.0 6.7 6.0 5.5 JR-192 7.0 5.0 5.0 5.0 5.3 5.7 6.0 6.3 5.3 5.5 LTP-RAE 7.0 5.0 4.7 4.3 5.3 5.0 5.7 7.3 6.3 5.5 MACH I 7.7 5.0 5.0 5.3 5.3 5.3 5.7 6.0 6.0 5.5 DOMINATOR (PST-2AG4) 7.0 5.0 5.0 4.7 5.3 5.3 5.7 6.7 6.0 5.5 RAD-PR55R 7.7 5.3 5.0 5.0 5.7 5.7 5.7 6.3 5.7 5.5 S85 7.3 5.0 4.3 5.0 5.3 5.7 5.7 7.0 6.3 5.5 SRX-4MSH 6.7 5.0 5.0 5.0 5.3 5.3 5.7 6.7 6.0 5.5 CST 7.3 5.3 5.0 4.7 5.3 5.7 5.7 6.3 5.3 5.4 IS-PR 479 7.3 4.7 4.3 4.7 5.3 5.7 6.0 7.0 5.7 5.4 LTP-PR 135 7.0 4.7 5.0 4.7 5.0 5.0 6.0 7.0 6.0 5.4 PPG-PR 142 7.0 4.7 4.7 5.0 5.3 5.7 6.0 6.7 5.3 5.4 PST-204D 6.7 4.7 5.0 4.7 5.3 5.7 5.7 6.3 5.7 5.4 PST-2NKM 6.3 4.7 4.7 4.3 5.0 5.3 5.7 7.3 6.0 5.4 2NJK 7.0 4.3 4.3 4.3 5.3 5.7 6.0 6.7 6.0 5.3 A-35 7.3 5.0 4.3 4.7 5.0 5.3 5.7 6.0 6.0 5.3 BAR LP 7608 7.0 4.7 5.3 4.7 5.0 4.7 5.7 6.0 6.0 5.3 P02 7.0 5.0 5.0 4.3 5.0 5.3 5.7 6.3 5.7 5.3 PICK 4DFHM 6.7 4.7 4.7 4.3 5.0 5.7 5.7 6.3 6.0 5.3 PPG-PR 164 6.7 4.3 4.7 4.7 5.0 5.3 5.7 6.7 5.7 5.3 PST-2DR9 7.0 4.7 4.7 4.0 4.7 5.0 6.0 7.0 6.0 5.3 APR 2320 6.7 5.0 5.0 5.3 5.0 6.3 5.7 4.3 4.7 5.2 BAR LP 10969 6.7 4.7 4.3 4.3 5.0 5.7 5.7 5.7 6.0 5.2 PST-2MAGS 6.7 4.7 4.3 4.3 4.7 5.3 5.7 6.7 6.0 5.2 APR 2445 7.0 4.3 4.3 4.7 5.0 5.3 5.3 6.3 5.7 5.1 CS-PR66 7.0 5.0 4.7 5.0 5.0 5.3 5.0 5.7 5.0 5.1 GO-G37 7.0 5.0 4.3 4.0 4.7 5.3 5.3 6.3 6.0 5.1 ISG-30 7.3 4.7 4.0 4.3 5.0 5.3 5.3 6.3 5.7 5.1 PPG-PR 128 7.3 4.7 4.7 4.3 4.7 4.3 5.3 6.7 6.0 5.1 PST-2TQL 6.0 4.3 4.3 4.0 4.7 5.3 5.7 6.7 5.7 5.1 RAD-PR62 7.0 5.0 5.0 4.7 5.0 5.3 5.3 5.7 5.0 5.1 CS-20 7.0 4.3 4.3 4.3 5.0 5.3 5.3 5.7 6.0 5.0 GO-DHS 6.7 4.7 4.3 4.7 4.7 4.7 5.3 6.0 6.0 5.0 ISG-31 6.3 4.0 3.7 4.0 4.7 5.7 5.3 6.3 6.0 5.0 PST-2K9 6.7 4.7 4.0 4.3 4.7 5.3 5.3 6.3 5.7 5.0 BRIGHTSTAR SLT 6.3 4.3 4.3 4.3 5.0 4.7 5.3 6.0 5.3 4.9 ISG-36 7.0 4.0 3.7 4.0 4.7 5.0 5.3 6.7 5.7 4.9 DLF LGT 4182 7.3 3.7 3.3 4.0 4.3 4.7 4.7 4.3 5.7 4.3 PINNACLE 5.3 3.3 4.0 3.0 3.7 3.7 4.3 5.0 5.0 4.0 LINN 5.3 2.0 2.0 2.3 2.0 2.0 2.0 2.7 4.3 2.4 LSD VALUE 1.1 1.1 0.9 1.2 1.2 1.5 1.2 1.0 1.8 0.7 C.V. (%) 8.0 12.2 10.7 12.6 12.2 13.9 11.4 9.2 10.6 7.7 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. 2011 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