TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 1999 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2003 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING LEAF QUALITY RATINGS NAME COLOR GREENUP TEXTURE MAY JUN JUL AUG SEP OCT MEAN APR 1232 9.0 6.3 8.7 9.0 8.0 7.3 6.0 7.0 8.7 7.7 PARAGON 9.0 5.3 9.0 8.7 7.3 7.7 6.0 7.3 9.0 7.7 BRIGHTSTAR SLT (PST-2A6B) 9.0 6.3 9.0 9.0 8.0 7.3 5.7 6.7 8.7 7.6 COURAGE (MB 410) 9.0 6.7 9.0 9.0 7.7 7.3 6.0 7.0 8.7 7.6 GATOR 3 (CIS-PR-85) 9.0 6.7 8.3 8.3 7.7 7.3 6.0 7.3 9.0 7.6 PST-2CRR 8.7 5.7 9.0 8.7 7.7 7.3 5.7 7.7 8.7 7.6 PST-2JH 8.7 6.0 9.0 9.0 7.7 7.3 6.0 7.0 8.3 7.6 PST-2LA 9.0 5.3 8.3 8.0 7.7 8.0 6.0 7.3 8.7 7.6 RACER II (PICK RC2) 8.7 7.0 8.7 8.7 7.3 7.7 6.0 7.3 8.7 7.6 SR 4220 (SRX 4801) 9.0 5.3 9.0 8.7 7.7 7.7 6.0 6.7 8.7 7.6 ABT-99-4.560 9.0 4.3 8.7 8.3 7.3 7.3 6.0 7.3 8.7 7.5 PIZZAZZ 9.0 5.3 8.7 8.3 8.0 7.3 5.7 7.0 8.7 7.5 ABT-99-4.115 8.3 6.0 8.3 8.3 7.3 7.0 6.0 7.3 8.3 7.4 BLAZER IV (PICK MDR) 9.0 6.0 8.7 8.7 7.7 7.3 5.7 7.0 8.0 7.4 CAS-LP84 9.0 5.7 8.3 8.0 7.3 7.3 5.7 7.0 9.0 7.4 CATALINA 9.0 5.7 9.0 8.0 7.0 7.7 5.7 7.3 8.7 7.4 CHARISMATIC (LTP 98-501) 9.0 5.3 8.7 8.0 7.3 7.3 6.0 7.3 8.7 7.4 GRAND SLAM 2L96 (PST-2L96) 8.7 5.0 8.7 8.7 8.0 7.0 6.0 6.7 8.3 7.4 MONTEREY II (JR-187) 8.7 6.7 9.0 8.3 7.3 7.0 6.0 7.0 8.7 7.4 MP107 8.7 5.3 8.7 8.3 7.3 7.7 5.7 7.0 8.7 7.4 PARADIGM (APR 1236) 8.7 6.7 8.0 8.7 7.7 7.0 5.7 7.0 8.7 7.4 PINNACLE II (BAR 9 B2) 9.0 5.3 9.0 8.7 7.7 6.7 5.3 7.3 8.7 7.4 PREMIER II 8.3 5.7 8.3 7.7 7.3 7.7 5.7 7.0 9.0 7.4 PST-2RT 8.7 5.3 9.0 8.3 7.7 7.3 5.7 7.0 8.3 7.4 RADIANT 8.7 5.7 8.7 8.7 7.7 7.3 5.3 7.0 8.3 7.4 SEVILLE II 9.0 6.0 9.0 8.7 7.0 7.3 5.7 7.0 8.7 7.4 WILMINGTON 9.0 5.7 8.7 8.7 8.0 7.0 5.3 7.3 8.3 7.4 ABT-99-4.464 9.0 5.3 9.0 8.7 7.3 7.0 6.0 7.0 8.0 7.3 AFFIRMED 8.7 6.3 9.0 8.3 7.7 7.0 5.7 6.7 8.3 7.3 ALLSPORT 9.0 6.0 9.0 8.7 7.0 7.0 5.7 7.0 8.3 7.3 APR 1235 8.0 5.0 8.0 7.7 7.3 7.3 5.7 7.0 8.7 7.3 CABO (CIS-PR-80) 8.3 6.0 9.0 8.0 7.7 7.0 5.0 7.3 8.7 7.3 INSPIRE (R8000) 9.0 5.7 9.0 8.7 7.0 7.3 5.3 7.0 8.3 7.3 KOKOMO (CIS-PR-69) 9.0 5.3 9.0 8.3 7.3 7.3 5.7 6.7 8.3 7.3 MANHATTAN 3 9.0 5.0 9.0 8.3 7.7 7.7 5.3 6.7 8.3 7.3 PENNANT II 9.0 6.0 9.0 8.3 7.3 7.3 5.3 7.0 8.7 7.3 PROSPORT (AG-P981) 9.0 5.7 9.0 8.7 7.3 7.3 5.3 7.0 8.3 7.3 RENAISSANCE (APR 1233) 8.0 5.3 8.7 7.7 7.3 6.7 5.7 7.7 8.7 7.3 SUMMERSET (MB 413) 9.0 5.3 8.7 8.3 7.7 6.7 5.7 7.0 8.3 7.3 ABT-99-4.339 9.0 4.7 9.0 8.3 6.7 7.3 5.7 7.0 8.3 7.2 ABT-99-4.965 9.0 5.0 8.7 9.0 7.0 7.3 5.3 6.7 7.7 7.2 APR 1231 8.7 5.3 8.7 8.3 7.3 6.3 5.7 7.0 8.7 7.2 ARRIVAL (CIS-PR-84) 9.0 5.7 9.0 8.7 7.0 7.3 5.7 6.7 8.0 7.2 CATHEDRAL II 8.7 6.3 9.0 8.0 7.3 7.0 5.3 7.0 8.3 7.2 CHARGER II 9.0 5.3 9.0 7.7 7.0 7.0 6.0 7.0 8.3 7.2 CITATION FORE (PST-2BR) 9.0 5.7 8.7 8.7 7.0 7.0 5.7 6.7 8.3 7.2 DLF-LDD 8.3 5.0 8.3 8.3 7.3 7.3 5.3 6.7 8.3 7.2 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 1999 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2003 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING LEAF QUALITY RATINGS NAME COLOR GREENUP TEXTURE MAY JUN JUL AUG SEP OCT MEAN GALLERY (MB 412) 8.7 6.0 8.7 8.0 7.3 7.3 5.7 7.0 7.7 7.2 ICON (MB 414) 8.3 7.0 8.7 7.7 7.0 7.3 5.7 7.3 8.3 7.2 IQ (CIS-PR-75) 8.7 4.7 8.3 8.3 7.0 7.0 5.7 7.0 8.3 7.2 MACH 1 (ROBERTS-627) 9.0 5.3 9.0 9.0 7.3 6.7 5.3 6.7 8.0 7.2 MP88 8.3 5.7 9.0 8.0 7.0 7.0 6.0 7.0 8.3 7.2 PICK EX2 9.0 7.0 8.7 9.0 7.3 7.0 6.0 6.7 7.3 7.2 PICK PR QH-97 8.7 6.3 8.7 8.7 7.0 7.3 5.3 6.7 8.3 7.2 PST-2M4 8.7 5.7 8.7 8.7 7.3 7.0 5.3 6.7 8.0 7.2 QUEST II (ABT-99-4.721) 9.0 3.3 9.0 8.3 7.0 7.3 5.7 7.0 8.0 7.2 SR 4500 9.0 6.3 9.0 9.0 7.0 7.0 5.7 6.7 8.0 7.2 ABT-99-4.600 8.7 4.7 8.7 8.3 7.7 7.3 5.3 6.3 7.7 7.1 ADMIRE (JR-151) 8.7 6.0 8.7 8.3 6.7 7.0 5.3 6.7 8.3 7.1 ASCEND 8.0 5.7 8.3 7.7 6.7 7.3 5.0 7.3 8.7 7.1 CALYPSO II 8.3 6.0 8.7 8.0 7.0 7.3 5.7 7.0 7.7 7.1 CRUISER (ABT-99-4.709) 9.0 5.3 9.0 8.0 7.0 7.3 5.7 6.7 7.7 7.1 DIVINE 8.3 5.7 9.0 8.0 6.7 6.7 5.7 7.3 8.3 7.1 DP LP-1 8.3 6.3 9.0 8.0 7.3 6.7 5.7 7.0 8.0 7.1 ELFKIN 8.7 6.3 9.0 8.0 7.0 7.0 5.7 7.0 7.7 7.1 EXACTA 8.7 5.0 8.7 7.3 6.3 7.0 5.7 7.7 8.3 7.1 HAWKEYE (SRX 4RHT) 8.7 5.0 8.3 8.3 7.3 7.3 5.0 6.7 8.0 7.1 MP103 9.0 6.0 9.0 8.0 6.5 7.0 5.5 7.0 8.5 7.1 PALMER III 8.3 6.0 9.0 8.3 7.3 7.3 5.7 6.3 7.7 7.1 PLEASURE XL 8.7 5.7 9.0 8.0 7.0 7.0 5.0 7.0 8.3 7.1 PROMISE 9.0 5.3 8.7 8.0 7.0 7.0 5.7 7.0 8.0 7.1 LS 2100 (PST-2SBE) 8.7 5.0 9.0 8.3 7.3 7.0 5.3 7.0 7.7 7.1 RACER 8.3 6.3 8.3 8.0 7.0 6.3 6.0 7.0 8.3 7.1 SKYHAWK 9.0 4.7 8.7 7.7 7.0 7.0 6.0 6.7 8.0 7.1 SPLENDID (MB 411) 9.0 6.7 8.7 8.3 7.3 7.0 5.7 6.7 7.7 7.1 SR 4350 (APR 1237) 8.0 5.3 8.3 7.7 7.0 7.3 5.3 6.7 8.7 7.1 SR 4420 (SRX 4820) 8.7 5.3 9.0 8.0 7.0 6.3 5.0 7.3 8.7 7.1 STELLAR (CIS-PR-72) 9.0 5.0 8.3 8.7 7.0 7.3 5.7 6.7 7.3 7.1 AMAZING (B1) 9.0 5.0 9.0 8.3 7.0 6.7 5.3 6.7 8.0 7.0 APR 1234 8.7 5.0 9.0 8.0 7.3 6.7 5.3 6.7 8.0 7.0 BRIGHTSTAR II 9.0 6.3 9.0 8.3 6.7 7.0 5.3 6.7 8.0 7.0 DAZZLE (ABT-99-4.724) 9.0 5.0 8.3 8.3 7.0 7.0 5.7 6.3 7.7 7.0 FIESTA 3 8.7 4.7 8.3 7.7 7.0 6.7 5.3 6.7 8.7 7.0 JR-128 8.7 6.0 9.0 7.7 6.7 6.7 5.7 7.0 8.3 7.0 LINE DRIVE 9.0 6.0 8.7 8.3 7.0 6.7 5.3 6.7 8.0 7.0 MANHATTAN 4 (PST-2CRL) 9.0 5.0 9.0 8.3 7.0 6.7 5.3 6.7 8.0 7.0 PENTIUM (NJ-6401) 8.3 6.0 9.0 7.3 7.0 6.7 5.3 7.0 8.7 7.0 SALINAS (PST-2SLX) 8.3 4.7 9.0 8.0 6.7 7.0 5.7 6.3 8.3 7.0 SUNKISSED (ABT-99-4.834) 8.7 5.7 8.7 8.3 7.0 7.3 5.7 6.3 7.3 7.0 ABT-99-4.815 8.7 5.7 8.7 7.7 7.0 7.0 5.0 7.0 7.7 6.9 BARLENNIUM 8.0 7.0 9.0 7.3 6.3 7.0 5.7 6.7 8.3 6.9 CATALINA II (PST-CATS) 8.7 5.0 8.7 7.3 7.0 7.0 5.0 7.0 8.3 6.9 CHURCHILL 8.0 5.3 8.7 7.7 7.0 7.3 5.0 6.7 8.0 6.9 JET 8.7 4.3 9.0 7.3 7.0 7.0 5.7 6.7 8.0 6.9 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 1999 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2003 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC SPRING LEAF QUALITY RATINGS NAME COLOR GREENUP TEXTURE MAY JUN JUL AUG SEP OCT MEAN LPR 98-144 9.0 6.7 8.7 8.7 6.7 7.0 5.3 6.7 7.3 6.9 LTP-ME 8.3 5.3 8.7 8.0 6.3 7.3 5.3 6.7 7.7 6.9 MAJESTY 8.3 5.7 8.7 8.0 6.3 6.7 5.3 7.0 8.0 6.9 MDP 8.3 4.7 9.0 8.0 7.0 7.0 5.3 6.7 7.7 6.9 MEPY 7.7 6.0 7.7 7.7 6.7 7.0 5.7 6.7 8.0 6.9 PACESETTER (6011) 9.0 6.0 9.0 8.3 7.0 7.0 5.0 6.3 7.7 6.9 PANTHER 8.3 6.3 9.0 8.3 7.0 7.0 5.3 6.3 7.7 6.9 PASSPORT 8.3 6.7 9.0 8.0 6.7 6.7 5.3 6.3 8.3 6.9 PHANTOM 9.0 6.7 8.7 7.7 6.3 6.7 5.3 7.0 8.3 6.9 PR 1-94 (PICK PR 1-94) 8.0 6.3 8.7 8.0 7.0 7.0 5.3 6.3 7.7 6.9 PREMIER 8.3 5.3 8.7 8.0 7.3 6.7 4.7 6.7 8.0 6.9 SECRETARIAT 8.7 5.3 8.7 8.3 6.7 7.0 5.3 6.3 8.0 6.9 SRX 4120 8.7 6.7 8.7 8.0 7.0 7.0 5.3 6.7 7.7 6.9 AFFINITY 8.0 5.3 8.3 7.3 6.7 6.7 5.7 6.7 8.0 6.8 ALL STAR2 (CIS-PR-78) 9.0 5.7 9.0 8.3 7.0 7.0 4.7 6.7 7.3 6.8 BUCCANEER 8.0 7.0 8.3 8.0 6.7 6.7 5.7 6.7 7.3 6.8 EP53 8.3 3.7 8.7 7.7 6.7 6.7 5.0 6.7 8.0 6.8 EXTREME (JR-317) 9.0 6.7 9.0 7.3 7.0 6.7 5.7 6.3 8.0 6.8 KOOS R-71 8.3 5.7 8.7 8.7 7.3 6.3 5.3 6.3 7.0 6.8 NEXUS 8.7 5.0 8.7 7.7 6.7 6.7 5.0 6.7 8.3 6.8 TERRADYNE (A5C) 9.0 4.7 8.7 8.7 6.7 6.7 5.0 6.7 7.0 6.8 BY-100 8.7 7.0 9.0 7.7 6.3 6.3 5.3 6.7 7.7 6.7 EDGE 8.7 5.3 8.7 7.7 6.7 6.0 5.3 7.0 7.3 6.7 PICK PRNGS 8.7 6.0 9.0 7.7 7.0 6.0 5.3 6.7 7.3 6.7 PROTYME (ABT-99-4.625) 8.3 5.3 8.3 7.7 6.3 6.7 5.3 6.7 7.7 6.7 SUPERSTAR (EP57) 8.7 6.3 8.3 8.0 7.0 7.0 5.0 6.3 7.0 6.7 APR 776 8.7 5.3 8.7 7.7 6.7 6.3 5.7 6.3 7.0 6.6 DP 17-9069 7.3 4.3 8.3 7.3 6.7 6.3 5.0 6.7 7.7 6.6 PEARL II (EPD) 8.3 5.7 8.7 7.3 7.0 7.3 4.3 6.3 7.3 6.6 HEADSTART 8.7 6.3 9.0 7.0 6.7 6.7 5.0 6.7 7.7 6.6 LPR 98-143 8.3 5.0 8.0 7.7 6.7 6.7 4.7 6.7 7.0 6.6 PROWLER (APR 777) 7.7 5.0 8.0 7.7 6.7 6.7 4.7 6.7 7.0 6.6 WVPB-R-82 8.0 6.3 9.0 7.7 7.0 6.3 4.7 6.7 7.0 6.6 WVPB-R-84 8.0 4.7 8.7 7.3 6.0 6.0 5.3 6.7 8.0 6.6 APPLAUD (PENNINGTON-11301) 9.0 5.3 9.0 8.0 6.7 7.0 6.0 4.0 7.3 6.5 YATSUGREEN 8.0 4.3 9.0 7.3 7.0 6.3 4.3 6.7 7.0 6.4 PICK PR B-97 9.0 5.3 8.7 7.7 6.7 4.7 5.0 6.3 7.7 6.3 DP 17-9391 6.7 4.3 7.7 6.0 5.7 6.0 4.7 6.0 6.7 5.8 LINN 7.3 4.0 7.7 6.7 5.7 5.3 4.0 5.7 6.0 5.6 DP 17-9496 7.0 2.0 7.7 6.0 5.7 5.3 3.7 5.7 6.3 5.4 LSD VALUE 1.1 2.3 1.1 1.8 1.3 2.2 2.2 2.4 1.8 1.0 C.V. (%) 6.1 18.7 5.1 9.2 8.4 10.4 12.1 9.9 9.5 6.5 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. 2003 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 IA1 SANDY CLAY LOAM 7.1-7.5 0-60 241-375 2.1-3.0 FULL SUN 2.6-3.0 TO PREVENT STRESS