TABLE 25. PERCENT GREEN COVER RATINGS OF PERENNIAL RYEGRASS CULTIVARS 1/ AT BLACKSBURG (DROUGHT STUDY), VA 2/ 3/ 4/ 2011 DATA IRRIGATION WITHHELD IRRIGATION WITHHELD IRRIGATION APPLIED NAME 6_27 7_6 7_11 7_13 7_24 8_6 9_6 ASPIRE (IS-PR 489) 84.3 48.0 34.0 29.3 10.0 48.3 81.3 PST-2DR9 84.0 49.3 43.0 38.7 27.3 44.7 80.7 SIDEWAYS (PSRX-S84) 85.3 48.3 39.0 32.0 17.7 50.7 80.0 WICKED (SRX-4RHD) 81.7 39.0 30.3 28.0 18.3 54.0 78.0 GREEN SUPREME(PPG-PR 121) 84.3 39.3 27.0 21.3 8.3 44.3 76.7 SR4660ST (SRX-4MSH) 80.3 38.0 29.7 26.7 17.0 36.7 76.7 SR 4650 (PSRX-3701) 89.3 57.7 51.3 44.0 28.7 47.7 76.3 DLF LGD-3022 81.7 36.3 25.3 21.0 9.3 55.7 75.7 EVOLVE (PST-2NKM) 84.3 47.0 36.7 30.7 18.0 38.0 75.0 BENCHMARK (PST-2BNS) 86.3 44.7 33.3 30.7 18.7 56.3 74.3 LTP-PR 135 85.3 40.0 26.3 21.7 5.3 50.7 73.0 THRIVE (IS-PR 469) 81.0 39.0 26.7 22.7 12.0 36.3 72.0 BONNEVILLE 80.0 42.3 33.7 30.3 20.3 45.3 70.7 PPG-PR 128 80.0 34.7 22.3 19.0 9.0 48.0 70.7 MONSIEUR (IS-PR 488) 87.0 52.3 44.7 39.0 25.3 50.7 70.0 PLAYOFF 2 (P02) 78.0 41.3 34.3 30.3 18.3 42.3 70.0 STELLAR 3GL (PPG-PR 134) 84.3 44.3 34.0 31.3 20.0 56.0 70.0 PST-2K9 84.3 48.3 45.0 41.7 35.0 49.7 70.0 APR 2445 79.0 36.3 29.3 25.7 22.0 58.7 69.7 BANFIELD (IS-PR 491) 84.7 48.3 37.7 33.0 19.7 37.0 69.7 RIPTIDE (IS-PR 409) 81.3 39.0 30.3 26.3 16.0 34.0 69.3 FASTBALL RGL (PPG-PR 133) 84.3 41.3 28.7 24.7 11.0 43.7 69.3 BANDALORE (IS-PR 463) 82.3 36.7 30.0 26.7 14.0 38.7 69.0 GO-PR60 76.0 34.0 27.3 24.0 19.3 39.0 68.7 PSRX-4CAGL 79.0 37.0 24.7 21.3 8.7 30.3 68.3 UNO 82.3 43.0 37.0 32.0 21.0 47.3 68.3 DLF LGD-3026 81.3 35.3 28.7 26.7 16.3 47.3 67.7 PICK 4DFHM 78.3 38.0 29.0 25.3 15.0 45.3 67.7 JR-178 84.7 41.7 27.0 22.0 10.7 37.7 67.0 DILIGENT (IS-PR 492) 85.0 43.3 27.0 22.3 8.7 33.3 66.7 SEDUCTIVE (ISG-30) 74.3 32.3 25.0 20.0 11.0 36.0 66.3 PACIFIC GEM (PST-2MG7) 77.3 43.3 38.0 33.3 25.3 37.7 65.7 PIZZAZZ 2 GLR (PR 909) 80.0 33.0 22.0 20.0 7.0 51.3 65.0 VISION (CL 11601) 84.7 48.3 42.7 38.0 23.3 45.7 64.7 GRAND SLAM GLD (PPG-PR 164) 86.7 48.3 37.0 31.3 16.0 52.3 64.7 DOMINATOR (PST-2AG4) 80.7 36.3 28.7 23.7 15.0 31.0 63.0 EVOLUTION (S85) 76.0 32.3 27.0 24.7 20.7 48.3 61.3 OCTANE 85.3 43.7 36.0 33.3 18.0 44.3 61.0 PREMIER III (BAR LP 10969) 84.7 49.7 42.7 39.7 25.0 42.7 60.7 SOX FAN (GM3) 84.3 41.7 33.3 28.0 16.0 39.3 60.7 PRX-4GM1 79.7 38.3 28.3 23.7 14.0 29.0 60.0 RINOVO 82.7 45.7 36.7 32.7 19.7 38.3 60.0 METOLIUS (PPG-PR 165) 85.3 48.3 39.0 36.0 26.3 39.0 59.7 JR-192 82.3 42.3 29.3 22.3 9.7 42.7 59.3 GO-DHS 75.0 30.3 24.3 21.0 14.7 45.3 58.7 PINNACLE III (BAR LP 10970) 77.7 37.7 27.3 24.3 14.7 34.7 58.3 EXCELLENCE (ISG-31) 73.7 28.0 19.3 15.7 8.3 33.0 58.3 LTP-RAE 82.7 42.7 33.0 28.3 18.7 42.0 58.0 TABLE 25. PERCENT GREEN COVER RATINGS OF PERENNIAL RYEGRASS CULTIVARS 1/ (CONT'D) AT BLACKSBURG (DROUGHT STUDY), VA 2/ 3/ 4/ 2011 DATA IRRIGATION WITHHELD IRRIGATION WITHHELD IRRIGATION APPLIED NAME 6_27 7_6 7_11 7_13 7_24 8_6 9_6 AMAZING A+ (PPG-PR 138) 75.3 31.3 21.3 19.3 13.0 30.3 57.7 PISTOL (PST-2ACR) 74.7 27.3 20.0 18.0 7.7 36.3 57.7 MACH I 71.0 25.0 20.7 17.3 9.7 27.7 57.3 PROVOST (PPG-PR 143) 79.3 36.0 24.7 21.7 9.0 38.0 56.7 PEPPER (RAD-PR62) 80.0 41.0 34.3 28.0 17.7 39.7 56.7 SALINAS II (PST-204D) 81.0 44.7 35.3 30.7 18.0 44.0 56.0 PALMER V 83.0 39.3 31.0 29.3 22.3 38.3 55.3 EXPEDITE (CL 307) 83.3 36.7 25.0 21.7 5.7 41.7 55.0 CS-PR66 79.0 32.3 20.3 15.7 6.7 28.3 55.0 VINTAGE (ISG-36) 78.7 33.0 26.0 22.3 13.0 32.7 54.3 FIESTA 4 74.0 19.0 10.0 8.0 2.0 27.3 52.7 HANCOCK (IS-PR 479) 76.3 28.3 18.7 14.7 8.3 29.0 52.3 GO-G37 75.0 28.0 19.7 16.7 9.3 40.0 52.0 PANGEA GLR (CL 11701) 79.0 39.7 33.7 29.7 19.0 40.3 52.0 INSIGHT 87.0 39.0 29.7 27.0 16.7 46.3 50.0 RIO VISTA 81.0 25.0 13.7 12.7 4.3 36.7 50.0 SUNSTREAKER (APR 2036) 80.0 37.0 26.0 24.7 14.3 43.3 49.7 STAMINA (IS-PR 487) 84.3 47.3 38.3 31.0 16.0 39.3 49.0 PREMIUM (PPG-PR 137) 78.0 30.0 21.0 18.0 4.7 39.0 48.7 APPLE SGL (PPG-PR 140) 80.3 44.7 36.0 35.3 23.0 39.7 48.0 ALLANTE 79.3 27.0 19.0 17.3 10.0 37.0 47.3 MANHATTAN 6 GLR (PST-2MAGS)75.0 23.7 19.7 16.7 9.7 38.3 47.0 SIENNA 89.3 56.3 49.0 47.0 37.0 46.7 46.7 PILLAR (CST) 77.7 23.0 11.3 9.3 2.7 19.0 45.0 RAINWATER (PST-2TQL) 76.7 36.3 29.7 25.7 18.0 33.0 44.7 PROMINENT (CS-20) 77.7 31.7 22.0 18.3 10.3 36.0 43.7 LINN 80.7 28.3 21.0 20.0 8.3 46.3 43.7 PARKSIDE (PST-2NJK) 75.3 43.0 39.0 38.0 35.0 44.7 43.3 BRIGHTSTAR SLT 82.0 40.0 29.7 27.0 21.0 34.3 43.3 BAR LP 10972 82.0 43.7 38.7 35.3 22.3 32.0 43.0 HAVEN (APR 2038) 83.3 41.0 32.0 26.3 11.7 28.7 41.7 PPG-PR 136 77.0 26.0 15.0 13.3 6.3 23.3 41.0 APR 2320 78.3 33.7 28.0 25.3 14.3 32.7 40.3 ASP 0112 (A-35) 74.7 24.3 17.0 13.3 7.3 29.3 38.7 PINNACLE 88.0 53.7 38.0 31.3 18.7 41.7 38.7 BAR LP 7608 77.7 25.3 18.3 16.3 6.0 57.7 37.3 DLF LGT 4182 73.3 32.0 29.0 26.0 19.7 38.7 37.0 PPG-PR 142 79.3 33.7 22.7 19.3 11.3 20.0 33.3 KARMA (PICK 10401) 77.3 20.3 14.7 12.0 1.0 13.7 23.3 RAD-PR55R 73.7 26.3 21.0 18.0 10.0 18.7 23.3 LSD VALUE 10.2 27.6 36.3 34.5 33.6 59.5 58.7 C.V. (%) 6.2 30.1 43.0 46.3 74.2 38.3 33.7 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. 3/ DROUGHT WAS IMPOSED USING MOVEABLE RAINOUT SHELTERS TO RESTRICT RAINFALL AND ALSO BY WITHHOLDING IRRIGATION. 4/ DATA WAS COLLECTED USING A DIGITAL CAMERA WITH LIGHT BOX AND IMAGES WERE ANALYZED USING SIGMASCAN SOFTWARE.