TABLE 20. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 2010 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG (TRAFFIC STUDY), VA 1/ 2011 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ 3/ PERCENT GREEN COVER PERCENT GREEN COVER 2-WEEKS AFTER QUALITY BEFORE TRAFFIC NO TRAFFIC TRAFFIC TRAFFIC LAST TRAFFIC TRAFFIC NAME 8/29/11 9/27/11 9/27/11 11/2/11 11/22/11 11/2/11 HAVEN (APR 2038) 96.0 99.0 81.7 83.3 75.0 5.7 PPG-PR 137 96.0 99.0 88.3 90.0 76.7 5.7 PIZZAZZ 2 GLR (PR 909) 98.0 99.0 88.3 85.0 80.0 5.7 SRX-4MSH 98.0 99.0 86.7 86.7 83.3 5.7 BAR LP 10970 98.0 99.0 81.7 83.3 78.3 5.3 CL 11601 96.0 99.0 85.0 83.3 80.0 5.3 GO-G37 96.0 97.7 73.3 86.7 76.7 5.3 IS-PR 488 97.0 99.0 83.3 80.0 86.7 5.3 IS-PR 491 92.0 92.7 86.7 65.0 85.0 5.3 JR-192 98.0 99.0 88.3 83.3 85.0 5.3 LTP-PR 135 97.0 99.0 85.0 83.3 78.3 5.3 PPG-PR 134 96.0 99.0 80.0 75.0 75.0 5.3 PST-204D 96.0 99.0 81.7 86.7 81.7 5.3 PST-2DR9 98.0 99.0 80.0 80.0 73.3 5.3 PST-2TQL 97.0 99.0 80.0 76.7 81.7 5.3 RINOVO 96.0 99.0 86.7 80.0 76.7 5.3 DLF LGD-3022 94.3 99.0 76.7 71.7 68.3 5.0 SOX FAN (GM3) 98.0 99.0 86.7 86.7 86.7 5.0 IS-PR 487 98.3 99.0 85.0 78.3 75.0 5.0 IS-PR 492 93.7 96.0 88.3 83.3 83.3 5.0 ISG-31 95.0 96.0 80.0 83.3 83.3 5.0 JR-178 97.0 99.0 85.0 78.3 78.3 5.0 OCTANE 95.3 99.0 78.3 75.0 78.3 5.0 PPG-PR 121 94.3 99.0 80.0 73.3 73.3 5.0 PPG-PR 128 96.0 99.0 78.3 73.3 76.7 5.0 PPG-PR 133 96.0 99.0 83.3 81.7 76.7 5.0 PPG-PR 136 94.3 99.0 76.7 80.0 68.3 5.0 PPG-PR 138 94.3 99.0 80.0 78.3 75.0 5.0 PPG-PR 142 96.0 99.0 81.7 78.3 80.0 5.0 PRX-4GM1 98.0 99.0 83.3 81.7 78.3 5.0 SIDEWAYS (PSRX-S84) 96.0 99.0 83.3 78.3 80.0 5.0 PST-2K9 97.0 99.0 80.0 85.0 76.7 5.0 PST-2MAGS 94.3 99.0 78.3 80.0 75.0 5.0 APR 2036 92.7 99.0 86.7 73.3 81.7 4.7 APR 2320 96.0 99.0 85.0 81.7 80.0 4.7 APR 2445 94.3 99.0 86.7 75.0 85.0 4.7 BRIGHTSTAR SLT 94.7 97.7 78.3 78.3 73.3 4.7 CS-PR66 95.3 99.0 76.7 75.0 70.0 4.7 DLF LGD-3026 95.0 97.7 80.0 80.0 70.0 4.7 FIESTA 4 96.0 97.7 76.7 76.7 73.3 4.7 INSIGHT 96.3 99.0 71.7 73.3 70.0 4.7 IS-PR 463 98.0 99.0 83.3 78.3 75.0 4.7 IS-PR 479 95.0 99.0 78.3 76.7 78.3 4.7 ISG-30 95.0 99.0 83.3 80.0 76.7 4.7 ISG-36 92.7 97.7 71.7 78.3 71.7 4.7 P02 97.0 97.7 76.7 73.3 75.0 4.7 PICK 4DFHM 96.0 99.0 83.3 78.3 76.7 4.7 TABLE 20. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 2010 NATIONAL PERENNIAL RYEGRASS TEST AT BLACKSBURG (TRAFFIC STUDY), VA 1/ 2011 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ 3/ PERCENT GREEN COVER PERCENT GREEN COVER 2-WEEKS AFTER QUALITY BEFORE TRAFFIC NO TRAFFIC TRAFFIC TRAFFIC LAST TRAFFIC TRAFFIC NAME 8/29/11 9/27/11 9/27/11 11/2/11 11/22/11 11/2/11 PPG-PR 140 95.0 99.0 81.7 71.7 71.7 4.7 SR 4650 (PSRX-3701) 98.0 99.0 85.0 83.3 76.7 4.7 PST-2ACR 92.7 97.7 81.7 73.3 78.3 4.7 DOMINATOR (PST-2AG4) 96.0 99.0 80.0 76.7 70.0 4.7 S85 98.0 99.0 83.3 76.7 75.0 4.7 UNO 90.0 96.0 81.7 66.7 61.7 4.7 A-35 93.3 99.0 76.7 75.0 76.7 4.3 ALLANTE 92.7 99.0 73.3 68.3 61.7 4.3 BAR LP 10969 96.0 99.0 78.3 66.7 71.7 4.3 BAR LP 7608 97.0 99.0 76.7 70.0 63.3 4.3 BONNEVILLE 93.7 99.0 76.7 71.7 73.3 4.3 PANGEA GLR (CL 11701) 97.0 99.0 78.3 75.0 78.3 4.3 CL 307 96.0 99.0 83.3 78.3 73.3 4.3 CST 98.0 99.0 85.0 83.3 81.7 4.3 GO-DHS 92.7 99.0 75.0 73.3 75.0 4.3 GO-PR60 95.3 99.0 76.7 73.3 73.3 4.3 IS-PR 469 97.0 99.0 80.0 80.0 75.0 4.3 IS-PR 489 97.0 99.0 85.0 83.3 80.0 4.3 LTP-RAE 97.0 99.0 86.7 71.7 75.0 4.3 MACH I 92.7 99.0 68.3 66.7 58.3 4.3 PALMER V 94.3 99.0 76.7 73.3 71.7 4.3 PICK 10401 98.0 99.0 78.3 76.7 68.3 4.3 PPG-PR 143 93.3 99.0 80.0 70.0 68.3 4.3 PPG-PR 164 95.0 99.0 83.3 73.3 75.0 4.3 PPG-PR 165 96.0 99.0 78.3 65.0 75.0 4.3 PSRX-4CAGL 91.0 99.0 76.7 65.0 71.7 4.3 PST-2MG7 96.0 96.0 81.7 86.7 78.3 4.3 RIO VISTA 97.0 99.0 83.3 81.7 75.0 4.3 2NJK 98.0 99.0 81.7 81.7 68.3 4.0 CS-20 91.7 99.0 75.0 61.7 71.7 4.0 DLF LGT 4182 90.0 99.0 68.3 68.3 63.3 4.0 PINNACLE 92.7 97.7 66.7 65.0 63.3 4.0 PST-2NKM 98.0 97.7 90.0 83.3 83.3 4.0 RAD-PR55R 95.3 99.0 71.7 61.7 70.0 4.0 RAD-PR62 95.0 99.0 78.3 61.7 71.7 4.0 SIENNA 94.3 99.0 75.0 73.3 73.3 4.0 SRX-4RHD 97.3 99.0 75.0 68.3 61.7 4.0 IS-PR 409 97.0 99.0 76.7 73.3 70.0 3.7 PST-2BNS 97.0 99.0 85.0 73.3 71.7 3.7 BAR LP 10972 94.3 99.0 70.0 66.7 56.7 3.3 LINN 85.0 91.3 55.0 56.7 46.7 2.7 LSD VALUE 6.2 5.7 13.7 28.8 25.8 5.3 C.V. (%) 3.0 1.9 8.5 13.3 13.2 22.3 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. 3/ TRAFFIC IS APPLIED USING A BRINKMANN TRAFFIC SIMULATOR TO APPROXIMATE 60 FOOTBALL GAMES OVER A TEN WEEK PERIOD IN FALL. TRAFFIC APPLIED STARTING 8/31/11, EVERY TUESDAY AND FRIDAY. LAST TRAFFIC APPLIED ON 11/4/11. 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 VA2 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