TABLE 23. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 1999 NATIONAL PERENNIAL RYEGRASS TEST AT BROOKINGS, SD 1/ 2002 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT GENETIC SPRING COVER COVER TYPHULA QUALITY RATINGS NAME COLOR GREENUP SPRING SUMMER BLIGHT APR MAY JUN JUL AUG SEP OCT MEAN SPLENDID (MB 411) 6.7 4.0 83.3 97.7 6.7 5.0 5.3 5.0 4.7 6.3 6.3 7.7 5.8 ALL STAR2 (CIS-PR-78) 6.7 6.7 88.3 99.0 7.0 5.3 5.7 5.0 4.3 5.7 6.7 7.0 5.7 ARRIVAL (CIS-PR-84) 7.0 4.0 33.3 38.0 7.0 4.0 5.0 5.0 5.0 6.0 7.0 8.0 5.7 RADIANT 7.0 5.0 93.3 97.7 7.3 6.0 6.0 4.3 4.3 6.0 6.3 6.7 5.7 ABT-99-4.724 6.3 6.7 91.7 99.0 7.0 4.7 5.7 5.0 4.0 6.0 6.3 7.3 5.6 BRIGHTSTAR SLT (PST-2A6B) 6.0 4.7 91.7 99.0 7.3 5.3 5.7 5.0 3.7 5.3 6.3 7.0 5.5 GATOR 3 (CIS-PR-85) 6.3 4.7 86.3 99.0 6.7 4.3 5.3 5.3 4.7 5.0 6.7 7.3 5.5 IQ (CIS-PR-75) 6.7 5.7 91.7 99.0 7.7 5.3 5.7 4.7 3.7 5.3 6.0 7.0 5.4 MACH 1 (ROBERTS-627) 6.7 4.0 81.7 99.0 6.3 3.7 4.7 4.3 4.7 5.7 6.7 8.0 5.4 PST-2SBE 6.7 4.0 71.7 66.0 8.0 4.5 5.5 4.5 4.0 6.0 6.0 7.5 5.4 SR 4420 (SRX 4820) 6.0 4.0 90.0 99.0 7.0 4.7 5.7 4.7 4.0 5.7 6.0 7.0 5.4 APPLAUD (PENNINGTON-11301) 6.3 4.0 58.7 99.0 6.7 4.3 5.0 5.0 4.0 5.3 6.3 7.3 5.3 CHURCHILL 6.7 5.0 88.0 99.0 6.0 5.0 5.3 4.3 4.0 5.3 6.3 7.0 5.3 MEPY 6.7 4.0 76.7 94.3 5.0 5.0 5.3 4.3 4.0 5.3 6.0 7.0 5.3 TERRADYNE (A5C) 6.3 4.0 86.7 99.0 6.3 4.0 5.0 5.0 4.0 5.7 6.0 7.3 5.3 BLAZER IV (PICK MDR) 7.0 4.0 78.3 99.0 6.0 3.3 4.3 4.7 4.3 5.7 6.7 7.7 5.2 CHARISMATIC (LTP 98-501) 6.7 4.0 55.0 76.0 6.5 4.0 5.0 4.5 3.5 5.5 6.5 7.5 5.2 LPR 98-144 4.7 4.0 85.0 96.0 7.7 4.3 5.3 5.0 4.3 5.3 5.3 6.7 5.2 WILMINGTON 4.7 4.0 53.3 66.0 5.5 4.5 5.5 4.5 3.5 5.0 6.5 7.0 5.2 ABT-99-4.115 5.3 4.7 91.7 99.0 6.7 4.3 5.3 4.3 3.7 5.0 6.0 7.3 5.1 ABT-99-4.834 6.7 6.3 88.3 99.0 7.0 4.3 5.3 4.7 3.7 4.7 6.0 7.0 5.1 CALYPSO II 5.3 4.0 66.7 66.0 7.0 4.5 5.5 4.5 3.5 5.0 5.5 7.0 5.1 FIESTA 3 5.3 4.7 83.3 96.0 6.0 4.0 5.0 4.7 3.7 5.0 6.0 7.3 5.1 HAWKEYE (SRX 4RHT) 6.7 4.7 76.7 99.0 6.3 4.0 5.0 4.3 3.7 5.0 6.3 7.3 5.1 JET 6.0 5.0 80.0 99.0 6.7 4.3 5.3 4.3 4.0 5.0 5.7 7.0 5.1 KOKOMO (CIS-PR-69) 6.0 4.0 88.3 99.0 6.3 4.3 5.0 4.3 3.7 5.0 6.3 7.0 5.1 MANHATTAN 4 (PST-2CRL) 6.0 4.0 86.7 99.0 6.3 4.3 5.3 4.3 3.7 5.0 6.0 7.3 5.1 PALMER III 6.0 5.0 88.3 99.0 7.3 4.0 5.0 4.7 3.7 5.0 6.3 7.3 5.1 PST-2CRR 5.3 4.0 90.0 97.7 6.3 4.3 5.3 4.7 3.3 5.7 5.3 7.0 5.1 ASCEND 6.0 4.0 76.7 99.0 6.0 3.7 4.7 4.3 3.3 5.0 6.3 7.3 5.0 CATALINA II (PST-CATS) 5.7 4.0 91.7 99.0 6.7 5.3 5.7 4.3 3.7 4.7 5.7 6.0 5.0 CATHEDRAL II 6.0 4.0 65.0 66.0 6.5 4.0 5.0 4.5 4.0 5.0 5.5 7.0 5.0 DLF-LDD 5.7 4.3 76.7 99.0 6.3 3.7 4.7 4.7 4.0 5.0 6.0 7.0 5.0 HEADSTART 5.0 4.0 55.0 61.3 7.5 4.0 5.0 4.5 4.0 5.0 6.0 6.5 5.0 PINNACLE II (BAR 9 B2) 7.0 5.0 70.0 99.0 5.7 3.7 4.7 4.3 4.0 5.0 6.0 7.3 5.0 PST-2LA 5.3 4.0 71.7 97.7 5.3 3.3 4.3 4.7 3.7 5.0 6.3 7.3 5.0 PST-2RT 5.0 4.0 76.7 99.0 6.0 4.0 5.0 4.7 3.7 5.3 5.7 7.0 5.0 SALINAS (PST-2SLX) 5.5 4.0 56.7 66.0 5.5 4.0 5.0 4.5 4.0 5.0 5.5 7.0 5.0 SR 4220 (SRX 4801) 5.7 7.0 78.3 94.7 6.7 4.3 5.3 4.3 3.3 4.3 6.0 7.0 5.0 DIVINE 5.0 4.0 78.3 99.0 6.0 4.0 5.0 4.3 3.7 4.3 5.7 7.0 4.9 EXACTA 6.3 4.0 76.7 97.7 5.3 4.0 5.0 4.3 3.7 4.7 5.7 6.7 4.9 GRAND SLAM 2L96 (PST-2L96) 5.7 4.0 93.3 97.7 7.0 4.3 5.3 4.3 3.3 5.0 5.3 6.7 4.9 ICON (MB 414) 7.3 4.0 75.0 96.0 4.7 3.7 4.3 4.3 4.0 5.3 5.3 7.0 4.9 LTP-ME 6.3 5.0 81.7 97.7 7.0 3.7 4.7 4.0 3.7 5.3 5.3 7.3 4.9 NEXUS 6.7 4.0 76.7 99.0 6.0 3.7 4.7 4.3 3.7 4.7 6.0 7.3 4.9 PACESETTER (6011) 6.0 4.0 81.7 99.0 6.3 3.7 4.7 4.3 3.7 5.0 6.0 7.0 4.9 PICK PR QH-97 7.0 5.0 81.7 96.3 5.7 4.0 5.0 4.3 4.3 4.3 5.7 6.7 4.9 TABLE 23. (CONT'D) MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 1999 NATIONAL PERENNIAL RYEGRASS TEST AT BROOKINGS, SD 1/ 2002 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT GENETIC SPRING COVER COVER TYPHULA QUALITY RATINGS NAME COLOR GREENUP SPRING SUMMER BLIGHT APR MAY JUN JUL AUG SEP OCT MEAN PREMIER II 6.0 4.0 53.3 66.0 6.0 3.0 4.0 4.5 4.5 5.0 6.0 7.5 4.9 ABT-99-4.600 5.0 4.0 81.7 97.7 7.0 4.0 5.0 4.3 3.0 4.7 5.7 7.0 4.8 ABT-99-4.721 6.7 4.7 81.3 99.0 6.7 3.7 4.7 4.0 4.0 4.7 5.3 7.0 4.8 APR 1235 5.0 4.0 83.3 99.0 5.7 4.0 5.0 4.3 3.3 4.7 5.3 6.7 4.8 LPR 98-143 5.3 4.0 81.7 97.7 6.7 4.0 5.0 4.7 3.3 5.0 5.0 6.3 4.8 MP107 6.7 4.0 86.7 99.0 6.0 3.7 4.7 4.7 3.3 4.3 6.0 7.0 4.8 PARADIGM (APR 1236) 4.7 4.0 83.3 99.0 6.7 4.0 5.0 4.3 4.0 4.7 5.3 6.3 4.8 PARAGON 5.7 4.0 78.3 99.0 5.7 3.7 4.7 4.0 3.7 4.7 5.7 7.0 4.8 PENTIUM (NJ-6401) 5.3 4.0 81.7 99.0 6.0 3.3 4.3 4.7 3.3 5.0 5.7 7.3 4.8 PIZZAZZ 6.0 6.0 70.0 99.0 5.0 3.3 4.3 4.3 4.0 5.0 5.3 7.3 4.8 PROMISE 5.7 4.0 78.3 97.7 5.7 3.7 4.7 4.3 3.7 4.7 5.7 7.0 4.8 STELLAR (CIS-PR-72) 6.0 5.0 85.0 99.0 7.0 4.7 5.0 4.0 3.3 5.0 5.0 6.7 4.8 ABT-99-4.965 6.0 4.0 86.7 99.0 6.3 3.7 4.7 4.0 3.0 4.7 5.7 7.0 4.7 BARLENNIUM 6.0 4.0 75.0 97.7 6.0 3.3 4.3 4.0 3.7 5.0 5.7 7.0 4.7 CABO (CIS-PR-80) 6.0 4.0 58.3 66.0 6.5 4.0 5.0 4.0 3.0 5.0 5.0 7.0 4.7 CITATION FORE (PST-2BR) 6.0 4.0 75.0 92.7 5.0 3.3 4.3 4.0 3.7 4.7 5.3 7.3 4.7 COURAGE (MB 410) 6.0 4.0 88.3 99.0 6.3 3.7 4.7 4.0 3.3 4.7 5.7 7.0 4.7 GALLERY (MB 412) 6.3 4.0 73.3 99.0 5.0 3.3 4.3 4.3 3.7 4.7 5.3 7.3 4.7 MP103 6.0 4.0 91.7 99.0 5.7 3.7 4.7 4.0 3.3 5.0 5.0 7.0 4.7 MP88 6.0 4.0 63.3 82.7 4.5 3.5 4.5 4.5 3.5 4.5 5.5 7.0 4.7 SUMMERSET (MB 413) 7.0 4.0 81.7 97.7 5.7 3.7 4.7 4.0 3.3 4.7 5.3 7.0 4.7 SUPERSTAR (EP57) 5.7 4.7 85.0 96.3 6.3 4.0 5.0 4.3 3.0 4.3 5.7 6.3 4.7 ABT-99-4.339 5.3 4.0 86.7 99.0 6.7 3.7 4.7 4.0 3.0 4.7 5.0 7.0 4.6 ABT-99-4.560 6.3 5.0 81.7 96.0 6.7 3.7 4.7 4.0 3.3 4.3 5.7 6.7 4.6 AFFIRMED 5.3 4.0 55.0 66.0 5.0 3.0 4.0 4.0 4.0 4.5 5.5 7.0 4.6 APR 1231 5.0 3.3 80.0 99.0 5.7 3.3 4.3 4.0 3.7 4.7 5.3 6.7 4.6 CAS-LP84 7.0 4.0 73.3 97.7 6.3 3.7 4.7 3.7 3.0 5.0 5.3 7.0 4.6 EPD 6.3 4.0 78.0 99.0 5.7 3.7 4.7 4.3 3.0 4.7 5.3 6.7 4.6 MAJESTY 5.7 4.0 75.0 99.0 5.0 3.3 4.3 4.0 3.7 4.7 5.0 7.0 4.6 PASSPORT 4.7 4.0 78.3 99.0 6.0 4.0 5.0 4.3 3.0 4.0 5.7 6.3 4.6 PROSPORT (AG-P981) 6.3 4.0 61.7 83.0 8.0 4.0 5.0 4.0 3.0 4.5 5.5 6.5 4.6 SR 4500 6.0 4.7 80.0 97.7 5.7 3.3 4.3 4.0 3.7 4.3 5.3 7.0 4.6 CRUSIER (UT-1000) 6.7 4.0 80.0 99.0 6.3 3.7 4.7 4.0 3.3 4.7 5.3 6.7 4.6 ABT-99-4.815 5.7 4.7 76.7 99.0 6.3 3.7 4.7 3.7 3.0 4.7 5.0 6.7 4.5 ADMIRE (JR-151) 5.3 4.0 75.0 99.0 5.0 3.3 4.3 4.3 3.3 4.3 5.0 6.7 4.5 AMAZING (B1) 6.7 4.0 65.0 97.7 4.3 2.7 3.7 4.0 3.7 4.7 5.7 7.3 4.5 RENAISSANCE (APR 1233) 5.3 4.0 79.7 97.7 6.0 4.0 5.0 4.0 3.3 4.3 4.7 6.0 4.5 BRIGHTSTAR II 6.3 4.0 70.0 99.0 5.0 3.3 4.3 4.0 3.7 4.7 5.0 6.7 4.5 CATALINA 5.7 4.0 76.7 99.0 5.7 3.7 4.7 3.7 3.0 4.7 5.3 6.7 4.5 ELFKIN 5.7 4.0 68.3 99.0 5.0 3.0 4.0 4.0 3.7 4.7 5.0 7.0 4.5 INSPIRE (R8000) 6.3 4.0 76.7 99.0 5.3 3.3 4.3 4.0 3.0 4.7 5.3 7.0 4.5 JR-128 6.0 4.0 66.7 97.7 5.3 3.7 4.7 4.0 3.7 4.0 5.0 6.7 4.5 PENNANT II 5.7 4.0 80.0 97.7 5.7 3.7 4.7 3.7 3.0 4.3 5.3 6.7 4.5 PICK PRNGS 5.3 4.0 61.7 97.7 4.7 3.0 4.0 3.7 3.7 4.7 5.3 7.0 4.5 WVPB-R-82 4.3 5.0 83.0 99.0 7.0 4.3 5.3 4.0 3.3 4.3 5.0 5.3 4.5 WVPB-R-84 4.7 4.0 88.3 99.0 7.0 3.7 4.7 4.3 3.3 4.3 5.0 6.0 4.5 ABT-99-4.464 5.3 4.0 66.7 99.0 5.3 3.3 4.3 3.7 3.3 4.3 5.3 6.7 4.4 TABLE 23. (CONT'D) MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 1999 NATIONAL PERENNIAL RYEGRASS TEST AT BROOKINGS, SD 1/ 2002 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ PERCENT PERCENT GENETIC SPRING COVER COVER TYPHULA QUALITY RATINGS NAME COLOR GREENUP SPRING SUMMER BLIGHT APR MAY JUN JUL AUG SEP OCT MEAN SR 4350 (APR 1237) 5.3 4.0 81.7 97.7 5.3 3.7 4.7 3.7 3.3 3.7 5.7 6.3 4.4 EXTREME (JR-317) 6.0 4.0 78.3 99.0 5.7 3.3 4.3 3.7 3.3 4.0 5.3 6.7 4.4 MDP 6.3 4.0 68.3 97.7 5.0 3.7 4.7 3.3 3.0 4.0 5.7 6.7 4.4 PANTHER 5.3 4.0 78.3 97.7 6.0 3.7 4.3 3.7 2.7 4.7 5.0 6.7 4.4 PICK EX2 4.7 5.0 85.0 99.0 7.0 3.7 4.7 4.0 3.0 4.0 5.3 6.3 4.4 PICK PR 1-94 6.3 4.0 68.3 99.0 5.0 3.0 3.7 4.0 3.7 4.3 5.0 7.0 4.4 PST-2JH 5.7 4.0 68.3 99.0 4.7 3.0 4.0 3.7 3.0 4.7 5.3 7.0 4.4 PST-2M4 5.3 5.0 86.7 99.0 7.0 3.7 4.7 3.7 3.3 4.0 5.0 6.3 4.4 ABT-99-4.625 6.7 4.0 68.3 96.0 4.3 3.3 4.3 4.0 3.0 4.0 5.0 6.7 4.3 APR 776 5.0 4.0 83.3 99.0 6.3 3.7 4.7 3.3 3.0 4.3 5.0 6.3 4.3 EP53 6.0 4.0 71.7 99.0 5.7 3.3 4.3 3.7 3.3 4.7 5.0 6.0 4.3 MANHATTAN 3 5.3 4.0 78.3 99.0 6.3 3.7 4.7 3.7 3.0 4.0 5.0 6.3 4.3 MONTEREY II (JR-187) 5.0 4.0 73.3 99.0 6.0 3.3 4.3 4.0 3.7 4.3 4.3 6.3 4.3 PHANTOM 6.3 4.0 51.7 99.0 6.3 3.7 4.7 3.7 3.3 4.3 4.7 6.0 4.3 SKYHAWK 5.7 4.0 78.3 99.0 5.0 3.7 4.7 4.0 3.0 4.0 5.0 6.0 4.3 AFFINITY 4.3 4.0 73.3 96.0 6.0 3.7 4.7 3.7 3.3 4.0 4.7 5.7 4.2 ALLSPORT 5.7 4.0 65.0 92.7 5.3 3.3 4.3 3.7 3.0 4.3 4.7 6.3 4.2 BUCCANEER 4.0 4.7 80.0 99.0 6.0 4.0 4.7 3.7 3.0 4.0 4.7 5.3 4.2 PREMIER 5.3 4.7 78.3 99.0 6.0 3.3 4.3 3.7 3.0 4.0 4.7 6.3 4.2 SECRETARIAT 5.3 5.0 70.0 96.0 4.7 3.3 4.0 4.0 3.0 4.0 4.7 6.7 4.2 SEVILLE II 5.7 4.0 76.7 87.7 5.7 3.7 4.7 3.3 3.0 4.3 4.3 6.0 4.2 SRX 4120 4.7 5.0 80.0 97.7 6.3 3.7 4.7 3.7 2.7 4.0 4.7 6.0 4.2 DP 17-9391 4.7 4.0 83.3 99.0 6.0 3.3 4.3 3.3 3.0 4.0 4.7 6.0 4.1 KOOS R-71 4.7 4.0 81.7 99.0 6.3 3.7 4.7 4.0 3.0 3.7 4.3 5.3 4.1 PICK PR B-97 6.7 4.0 65.0 96.0 4.3 3.0 4.0 3.7 3.0 3.7 4.7 6.7 4.1 RACER II (PICK RC2) 5.7 4.0 70.0 99.0 5.0 3.0 4.0 3.3 3.3 4.0 4.7 6.7 4.1 APR 1232 5.0 4.0 50.0 66.0 5.5 3.0 4.0 3.5 3.0 4.0 4.5 6.0 4.0 BY-100 4.3 4.0 70.0 88.0 6.0 3.3 4.3 3.7 2.7 3.7 4.3 5.7 4.0 DP 17-9069 4.3 4.7 83.3 99.0 6.3 3.7 4.3 3.7 2.3 4.0 4.7 5.7 4.0 LINE DRIVE 5.7 4.0 80.0 99.0 5.7 3.0 4.0 3.3 3.0 3.7 5.0 6.3 4.0 PLEASURE XL 5.3 4.0 61.7 92.7 4.0 3.0 4.0 3.3 2.7 4.0 5.0 6.0 4.0 RACER 5.7 4.0 50.0 76.3 5.0 3.0 4.0 3.5 2.5 3.5 5.0 6.0 3.9 CHARGER II 5.3 4.0 71.7 99.0 5.0 3.0 4.0 3.3 2.7 3.7 4.3 5.7 3.8 DP LP-1 4.7 4.0 70.0 99.0 5.0 3.0 4.0 3.0 3.0 3.7 4.3 5.7 3.8 APR 1234 4.3 4.0 70.0 85.0 6.0 3.3 4.0 3.3 2.3 3.7 4.0 5.0 3.7 PROWLER (APR 777) 4.7 4.0 78.3 99.0 5.3 3.0 4.0 3.0 2.7 3.7 4.0 5.7 3.7 YATSUGREEN 4.3 4.7 60.0 91.0 4.7 3.0 4.0 3.3 2.7 3.3 4.3 5.0 3.7 EDGE 5.0 3.7 68.3 66.0 7.5 3.0 4.0 3.0 2.5 3.0 4.5 5.5 3.6 DP 17-9496 3.7 4.0 66.7 92.7 5.0 2.7 3.3 2.7 1.7 2.0 3.3 3.7 2.8 LINN 2.3 4.0 70.0 99.0 5.0 2.7 3.0 2.7 1.3 2.0 2.7 3.0 2.5 LSD VALUE 1.2 1.8 85.2 79.3 4.2 1.8 3.2 1.4 1.6 1.5 1.4 0.9 1.0 C.V. (%) 12.5 17.9 24.5 19.3 20.8 20.8 17.6 15.4 20.3 16.7 13.6 8.6 11.6 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. 2002 LOCATIONS, SITE DESCRIPTIONS AND MANAGEMENT PRACTICES IN THE 1999 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 SD1 SILTY CLAY LOAM 7.6-8.5 0-60 241-375 2.1-3.0 FULL SUN 0.6-1.0 TO PREVENT STRESS