TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG, VA 1/ 2011 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT COVER PYTHIUM QUALITY RATINGS NAME FALL BLIGHT FEB MAR APR MAY JUN JUL AUG NOV MEAN RINOVO 93.3 1.3 3.7 5.3 7.0 8.3 7.0 7.3 6.3 7.7 6.6 IS-PR 463 86.7 2.0 4.0 4.7 6.3 7.7 7.0 7.3 7.0 7.7 6.5 PANGEA GLR (CL 11701) 93.3 1.7 4.0 5.0 6.0 7.3 6.7 7.7 6.7 7.7 6.4 FIESTA 4 81.7 2.0 4.3 5.3 7.0 7.7 6.0 7.3 6.3 7.0 6.4 IS-PR 487 80.0 1.7 3.0 4.7 6.7 7.7 7.0 7.7 7.0 7.3 6.4 PPG-PR 134 83.3 2.0 3.7 4.7 6.7 7.0 6.7 7.7 7.0 7.7 6.4 PST-2BNS 85.0 1.3 3.3 5.7 6.0 7.7 7.7 7.7 6.7 6.7 6.4 APR 2445 81.7 2.0 4.3 5.3 7.0 7.0 6.7 7.3 6.0 7.0 6.3 IS-PR 409 83.3 2.3 4.0 5.3 6.7 7.3 5.7 6.7 6.7 7.7 6.3 IS-PR 469 85.0 2.0 4.0 4.7 6.0 8.3 6.7 7.3 6.7 6.3 6.3 IS-PR 488 88.3 1.7 4.0 5.3 6.0 7.3 6.3 7.3 6.7 7.7 6.3 IS-PR 491 83.3 1.7 4.3 4.7 6.7 6.7 7.0 7.7 6.7 7.0 6.3 IS-PR 492 76.7 2.7 4.7 5.0 6.3 7.3 6.0 7.3 6.7 7.3 6.3 S85 88.3 1.7 4.0 5.3 6.0 7.7 5.7 8.0 7.0 7.0 6.3 SRX-4RHD 88.3 2.3 3.7 5.0 6.3 7.3 7.0 7.7 6.7 7.0 6.3 CST 91.7 2.3 4.3 4.7 6.7 6.3 6.3 7.3 6.7 7.3 6.2 DLF LGD-3022 86.7 1.3 4.0 5.7 6.3 7.0 6.3 7.0 5.7 7.3 6.2 GO-PR60 81.7 1.7 3.0 4.7 6.3 8.0 6.7 6.7 6.7 7.7 6.2 IS-PR 479 80.0 2.7 4.3 5.3 6.3 8.0 6.0 6.3 6.7 6.7 6.2 ISG-30 86.7 3.7 5.0 5.3 8.0 6.7 4.3 6.7 6.3 7.3 6.2 JR-178 88.3 2.7 4.3 4.7 7.0 6.7 5.7 7.0 6.3 7.7 6.2 JR-192 86.7 2.0 3.3 4.3 7.0 7.3 6.7 6.7 6.3 7.7 6.2 PIZZAZZ 2 GLR (PR 909) 91.7 2.0 4.0 5.0 5.7 6.7 6.7 7.3 7.0 7.0 6.2 PST-2NKM 88.3 2.0 3.0 4.7 6.7 7.3 6.0 7.7 7.0 7.0 6.2 BAR LP 10970 83.3 1.7 3.3 5.0 6.7 7.3 6.3 7.0 6.3 7.0 6.1 PALMER V 86.7 1.7 4.3 5.0 6.7 7.3 6.0 6.0 6.3 7.0 6.1 PICK 10401 93.3 2.0 3.0 5.0 6.3 7.0 6.3 6.7 6.7 7.7 6.1 SR 4650 (PSRX-3701) 91.7 2.3 3.3 5.0 6.3 7.3 6.0 6.3 6.7 8.0 6.1 SIDEWAYS (PSRX-S84) 83.3 2.0 4.0 5.0 6.7 6.7 6.3 6.3 6.0 7.7 6.1 A-35 80.0 4.0 4.3 5.0 6.3 7.7 4.0 6.3 6.7 7.3 6.0 APR 2036 86.7 2.3 4.0 5.0 6.3 7.3 5.7 6.3 6.3 7.3 6.0 APR 2320 78.3 2.3 3.3 5.0 6.3 7.0 5.3 7.3 6.0 7.3 6.0 GO-G37 81.7 3.7 4.7 5.0 7.3 6.7 4.7 6.3 6.3 7.3 6.0 IS-PR 489 91.7 2.3 4.0 5.3 6.7 7.0 5.0 6.3 6.0 7.3 6.0 LTP-PR 135 86.7 2.7 3.7 5.0 6.0 7.3 5.3 7.3 6.3 7.3 6.0 PPG-PR 133 86.7 2.3 3.7 5.0 6.3 7.0 5.3 6.7 6.7 7.3 6.0 PPG-PR 137 88.3 2.7 4.0 4.7 6.7 6.7 5.7 6.7 6.3 7.0 6.0 PST-204D 80.0 1.7 2.7 4.3 6.3 7.3 6.0 7.7 6.7 7.0 6.0 DOMINATOR (PST-2AG4) 88.3 3.0 3.7 5.3 7.0 7.0 5.3 6.3 6.7 6.7 6.0 PST-2DR9 90.0 3.3 3.3 5.3 6.7 6.0 5.3 7.7 6.0 7.3 6.0 RIO VISTA 88.3 2.0 3.3 5.0 6.3 7.0 6.0 7.0 6.3 7.0 6.0 SIENNA 88.3 1.7 3.7 4.0 6.7 6.3 7.0 7.7 6.0 7.0 6.0 CL 11601 91.7 2.3 3.0 4.7 6.3 6.3 6.0 7.0 6.3 7.3 5.9 CS-20 78.3 4.0 4.7 5.7 7.0 7.0 3.7 6.3 6.7 6.0 5.9 SOX FAN (GM3) 88.3 3.3 3.7 4.7 6.7 6.7 5.0 6.3 6.7 7.7 5.9 INSIGHT 90.0 1.7 3.0 4.0 6.3 6.7 6.0 7.7 6.3 7.3 5.9 LTP-RAE 88.3 2.3 3.3 4.7 6.0 7.0 5.7 6.7 7.0 7.0 5.9 TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2010 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG, VA 1/ 2011 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT COVER PYTHIUM QUALITY RATINGS NAME FALL BLIGHT FEB MAR APR MAY JUN JUL AUG NOV MEAN PST-2TQL 88.3 2.7 3.0 5.0 6.3 7.0 6.0 7.0 6.0 6.7 5.9 2NJK 85.0 3.7 3.3 4.7 6.7 7.0 4.7 6.3 6.3 7.3 5.8 ISG-36 80.0 4.3 4.3 5.7 6.3 7.7 4.3 6.3 5.7 5.7 5.8 PPG-PR 138 85.0 2.3 4.0 4.7 6.3 7.0 6.0 6.7 5.7 6.3 5.8 PPG-PR 143 76.7 3.3 3.7 5.3 6.3 6.3 5.3 6.0 6.3 7.0 5.8 PST-2MAGS 85.0 3.7 3.7 5.0 6.3 7.0 5.0 6.0 5.7 7.3 5.8 SRX-4MSH 85.0 3.0 3.0 4.7 6.0 6.7 6.0 6.3 6.3 7.7 5.8 ALLANTE 86.7 2.0 3.0 4.3 6.0 6.7 6.3 6.3 5.0 7.7 5.7 BAR LP 10969 83.3 2.7 3.3 5.0 6.0 6.7 5.7 6.3 5.3 7.0 5.7 DLF LGD-3026 91.7 2.3 3.7 4.3 6.0 8.0 5.3 5.3 6.3 6.3 5.7 MACH I 83.3 3.7 4.0 5.3 6.3 7.7 4.3 5.7 5.7 6.3 5.7 P02 90.0 3.7 3.0 4.7 6.3 6.7 5.0 6.3 6.3 7.0 5.7 PST-2K9 85.0 3.0 3.3 4.7 6.3 6.7 4.7 6.3 6.3 7.0 5.7 PST-2MG7 81.7 3.7 3.7 4.7 6.7 6.3 5.0 6.3 5.7 7.3 5.7 RAD-PR62 86.7 2.0 3.0 5.0 6.3 7.3 5.7 6.0 5.3 6.7 5.7 UNO 80.0 2.0 4.0 5.0 5.3 7.3 5.7 6.0 5.7 6.3 5.7 HAVEN (APR 2038) 85.0 3.0 3.3 5.0 6.3 5.3 5.7 6.7 5.7 7.0 5.6 BAR LP 7608 83.3 2.3 3.7 4.7 6.3 7.3 5.3 5.0 6.0 6.7 5.6 DLF LGT 4182 91.7 2.7 3.7 5.0 7.0 7.3 5.0 5.7 4.3 6.7 5.6 PPG-PR 128 80.0 3.3 3.3 4.7 6.3 6.3 4.7 7.0 5.7 6.7 5.6 PPG-PR 142 85.0 3.7 4.0 5.0 6.0 6.7 4.3 5.7 6.0 7.0 5.6 PPG-PR 165 81.7 2.7 3.3 5.0 6.0 7.0 5.3 6.0 5.7 6.7 5.6 PSRX-4CAGL 76.7 3.3 3.7 5.0 6.7 7.3 4.3 6.0 5.0 6.7 5.6 BAR LP 10972 81.7 2.0 3.0 4.3 6.0 7.3 5.3 6.0 5.0 7.0 5.5 CL 307 78.3 4.0 3.7 5.0 6.3 5.7 4.0 6.3 6.0 7.3 5.5 ISG-31 81.7 4.0 3.7 5.0 6.7 5.3 4.3 6.0 6.7 6.7 5.5 OCTANE 80.0 3.0 3.3 5.0 6.3 6.3 4.3 5.3 6.0 7.3 5.5 PICK 4DFHM 86.7 2.7 3.3 5.0 6.3 6.3 4.7 5.0 6.0 7.3 5.5 PPG-PR 121 75.0 3.3 3.0 5.0 6.0 6.7 5.0 6.3 5.3 6.7 5.5 PPG-PR 140 86.7 3.3 3.7 4.7 6.0 7.0 4.3 6.3 6.3 6.0 5.5 PPG-PR 164 78.3 3.3 3.7 5.0 6.0 6.3 4.7 5.3 6.3 7.0 5.5 BONNEVILLE 76.7 3.3 4.0 4.7 6.0 6.0 4.0 5.7 5.7 7.0 5.4 BRIGHTSTAR SLT 90.0 4.3 2.7 4.7 6.7 6.3 4.3 6.7 5.0 7.0 5.4 CS-PR66 88.3 3.0 3.7 4.7 5.7 6.3 5.0 5.7 5.3 7.0 5.4 PPG-PR 136 90.0 3.0 3.3 4.7 6.0 6.3 4.3 6.0 6.3 6.3 5.4 PRX-4GM1 85.0 2.7 3.7 4.7 6.3 5.7 4.3 5.3 6.3 7.0 5.4 RAD-PR55R 85.0 2.3 4.0 4.7 6.3 6.0 4.0 5.7 6.0 6.3 5.4 PST-2ACR 68.3 3.7 2.3 4.7 5.7 6.0 4.3 6.0 5.0 7.0 5.1 PINNACLE 88.3 2.0 3.0 4.7 6.0 6.0 4.7 4.3 4.7 6.0 4.9 GO-DHS 80.0 6.3 3.3 4.3 6.7 5.3 2.3 4.3 5.3 6.7 4.8 LINN 91.7 2.7 2.3 4.7 4.7 4.7 4.3 4.0 3.7 5.0 4.2 LSD VALUE 18.2 2.1 1.0 1.7 1.3 1.5 1.9 1.9 2.0 1.9 0.8 C.V. (%) 8.2 39.3 15.3 11.0 8.9 11.4 18.9 14.9 14.0 10.4 7.4 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. 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 VA1 SILTY CLAY LOAM 5.6-6.0 0-60 0-150 3.1-4.0 LIGHT SHADE 1.6-2.0 ONLY DURING SEVERE STRESS