TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 1999 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2002 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 PINNACLE II (BAR 9 B2) 8.7 8.7 8.0 7.7 7.7 7.7 7.7 8.3 8.3 7.9 ALL STAR2 (CIS-PR-78) 9.0 8.3 8.0 8.0 7.0 8.0 7.0 8.0 8.0 7.7 CITATION FORE (PST-2BR) 8.0 8.3 8.0 8.0 7.0 7.7 6.7 8.3 8.3 7.7 GATOR 3 (CIS-PR-85) 8.3 8.0 8.0 7.7 7.0 7.3 7.7 8.3 8.0 7.7 PST-2M4 8.3 7.7 8.0 8.0 7.3 7.7 7.0 7.7 8.3 7.7 ABT-99-4.834 8.7 8.0 8.0 8.0 7.3 7.7 7.0 7.7 7.7 7.6 CABO (CIS-PR-80) 8.0 9.0 8.0 8.7 7.3 7.0 7.3 7.7 7.3 7.6 ARRIVAL (CIS-PR-84) 8.3 8.0 8.0 8.0 7.3 7.3 7.0 8.0 8.0 7.6 MACH 1 (ROBERTS-627) 8.0 8.7 8.0 8.0 7.0 7.3 7.0 8.3 7.7 7.6 PIZZAZZ 8.0 8.0 8.0 7.7 7.0 8.0 7.3 7.7 7.7 7.6 PST-2LA 8.0 8.0 8.0 8.0 7.0 7.7 6.7 8.0 8.0 7.6 WILMINGTON 7.7 8.0 7.7 8.0 7.0 7.0 7.3 8.0 8.0 7.6 ABT-99-4.724 7.7 8.7 8.0 8.3 7.3 7.0 7.0 7.7 7.7 7.5 BLAZER IV (PICK MDR) 7.7 8.0 8.0 7.7 7.0 7.3 7.0 8.0 8.0 7.5 PENNANT II 7.7 7.7 8.0 7.7 7.3 7.0 7.0 8.0 8.0 7.5 ABT-99-4.560 8.0 8.0 8.0 8.0 7.7 7.7 6.7 7.0 7.3 7.4 APPLAUD (PENNINGTON-11301) 8.0 8.7 8.0 8.0 7.0 7.0 7.0 7.7 7.7 7.4 PROSPORT (AG-P981) 8.0 8.0 7.7 8.0 7.3 7.3 7.0 7.3 7.3 7.4 RACER II (PICK RC2) 7.7 8.0 8.0 8.0 7.7 7.0 7.0 7.3 7.3 7.4 SEVILLE II 7.3 8.3 8.0 8.3 7.0 6.7 7.0 8.0 7.7 7.4 ABT-99-4.965 8.0 8.3 8.0 7.7 6.3 7.3 7.0 7.7 7.7 7.3 AMAZING (B1) 8.7 8.7 8.0 8.0 6.3 7.3 7.0 8.0 7.3 7.3 BARLENNIUM 7.0 8.3 8.0 8.0 7.0 7.0 6.7 7.7 7.3 7.3 CHARISMATIC (LTP 98-501) 7.3 8.3 8.0 8.3 7.3 6.7 7.0 7.3 7.3 7.3 CHURCHILL 7.3 8.3 8.0 8.0 7.0 7.0 7.0 7.7 7.3 7.3 COURAGE (MB 410) 7.7 8.0 8.0 8.0 7.3 6.7 6.7 7.3 7.7 7.3 ELFKIN 7.3 7.7 8.0 8.0 7.7 6.7 6.7 7.3 7.3 7.3 HAWKEYE (SRX 4RHT) 7.7 8.3 8.0 8.0 7.7 6.0 7.3 7.7 7.3 7.3 ICON (MB 414) 7.7 8.0 8.0 7.7 6.7 7.0 7.0 8.0 7.7 7.3 INSPIRE (R8000) 7.7 8.7 8.0 7.7 7.3 6.7 6.7 8.0 7.3 7.3 MANHATTAN 4 (PST-2CRL) 7.0 8.3 7.7 8.3 7.0 6.3 7.0 7.7 7.3 7.3 PALMER III 7.7 7.7 8.0 7.7 7.3 7.0 7.0 7.3 7.3 7.3 PHANTOM 7.3 7.7 8.0 8.0 7.0 7.0 7.0 7.3 7.3 7.3 PREMIER II 7.7 8.3 8.0 7.7 7.3 7.0 7.0 7.0 7.7 7.3 PST-2CRR 8.0 8.0 8.0 7.7 7.0 7.3 7.0 7.3 7.3 7.3 RACER 7.0 8.0 7.7 8.0 7.3 6.7 7.0 7.3 7.3 7.3 SR 4220 (SRX 4801) 7.7 8.3 8.0 8.0 7.0 6.7 7.0 7.7 7.3 7.3 SR 4420 (SRX 4820) 7.7 8.0 8.0 7.7 7.3 7.0 6.7 7.7 7.7 7.3 ALLSPORT 8.0 7.7 8.0 7.7 7.0 6.7 7.0 7.3 7.3 7.2 APR 1231 7.7 7.7 8.0 8.0 7.3 6.7 7.0 7.0 7.0 7.2 ASCEND 7.3 8.0 8.0 8.0 7.0 6.7 6.7 7.3 7.3 7.2 BRIGHTSTAR II 8.0 8.0 8.0 8.0 6.7 6.7 7.0 7.7 7.3 7.2 BRIGHTSTAR SLT (PST-2A6B) 7.7 7.7 8.0 7.3 7.3 7.0 6.7 7.7 7.3 7.2 GALLERY (MB 412) 7.0 8.7 7.7 8.3 6.7 7.0 7.0 7.0 7.0 7.2 GRAND SLAM 2L96 (PST-2L96) 7.7 8.0 8.0 7.7 7.3 6.7 7.0 7.3 7.0 7.2 LPR 98-144 7.3 7.3 8.0 7.3 7.0 7.0 6.7 7.3 8.0 7.2 LTP-ME 7.7 8.0 7.7 7.3 6.7 7.0 7.0 7.7 7.3 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/ 2002 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 MANHATTAN 3 7.3 7.3 8.0 7.3 7.3 7.0 6.7 7.3 7.3 7.2 MDP 7.3 8.0 8.0 7.7 7.0 6.7 7.0 7.7 7.0 7.2 PARAGON 7.7 8.3 8.0 8.0 7.3 6.3 7.0 7.3 7.3 7.2 PENTIUM (NJ-6401) 7.7 7.7 8.0 7.3 7.0 7.0 6.7 7.7 7.7 7.2 PICK PRNGS 7.3 8.3 8.0 8.0 7.0 6.7 7.0 7.3 7.3 7.2 PLEASURE XL 7.3 7.3 8.0 7.3 7.3 6.7 7.0 7.3 7.3 7.2 PST-2RT 8.0 7.7 8.0 7.7 7.3 6.7 6.7 7.3 7.7 7.2 SKYHAWK 7.3 8.7 8.0 8.0 7.0 6.3 7.0 7.3 7.3 7.2 ABT-99-4.115 7.3 8.0 8.0 8.0 7.3 6.3 6.7 7.0 7.0 7.1 ABT-99-4.464 7.0 8.0 8.0 8.0 7.0 6.3 6.7 7.3 7.3 7.1 ABT-99-4.625 7.3 8.0 8.0 8.0 7.0 6.7 6.7 7.0 7.0 7.1 APR 776 7.0 7.3 8.0 7.7 7.0 6.3 6.7 7.3 7.3 7.1 CATALINA 7.7 7.3 8.0 7.3 6.3 7.3 6.7 7.7 7.3 7.1 DLF-LDD 7.7 8.0 7.7 8.0 6.7 6.7 7.0 7.0 7.3 7.1 EPD 7.3 8.3 8.0 7.3 7.3 6.7 7.0 7.0 7.0 7.1 HEADSTART 7.3 7.7 8.0 7.7 7.0 6.3 6.7 7.3 7.3 7.1 JET 7.3 8.3 8.0 7.7 7.7 5.7 6.7 7.7 7.0 7.1 JR-128 7.3 7.7 8.0 7.7 7.0 6.3 7.0 7.3 7.3 7.1 KOKOMO (CIS-PR-69) 7.3 8.0 8.0 7.7 7.3 6.3 6.7 7.3 7.0 7.1 MONTEREY II (JR-187) 8.0 7.7 8.0 7.7 7.7 6.3 6.3 7.3 7.3 7.1 MP107 7.7 8.3 8.0 8.3 7.0 6.7 6.7 7.0 7.0 7.1 MP88 7.0 7.3 8.0 7.7 7.0 6.3 6.7 7.3 7.3 7.1 PACESETTER (6011) 7.3 7.7 8.0 7.3 7.3 6.3 6.7 7.3 7.3 7.1 PANTHER 8.0 8.0 8.0 7.7 6.7 7.0 6.7 7.3 7.3 7.1 PST-2SBE 7.7 8.3 8.0 8.0 7.0 6.7 7.0 7.3 6.7 7.1 SPLENDID (MB 411) 8.0 8.3 8.0 8.3 6.3 7.0 6.7 7.0 7.0 7.1 STELLAR (CIS-PR-72) 7.7 8.3 8.0 7.7 7.0 6.7 6.7 7.3 7.3 7.1 SUMMERSET (MB 413) 7.7 8.7 8.0 8.0 7.3 6.0 6.7 7.3 7.3 7.1 SUPERSTAR (EP57) 6.7 8.0 7.3 8.0 6.3 7.0 6.7 7.3 7.0 7.1 TERRADYNE (A5C) 8.0 8.7 8.0 8.0 6.7 6.7 7.0 7.3 7.0 7.1 CRUSIER (UT-1000) 7.0 8.7 8.0 8.3 7.0 5.7 7.0 7.3 7.3 7.1 ABT-99-4.600 8.0 7.3 8.0 7.7 7.0 6.7 7.0 6.7 7.0 7.0 ABT-99-4.721 7.0 8.0 8.0 8.0 7.0 6.0 7.0 7.0 7.0 7.0 AFFIRMED 7.7 8.0 8.0 7.3 7.0 6.3 6.7 7.3 7.3 7.0 SR 4350 (APR 1237) 7.0 7.3 8.0 7.3 7.3 6.7 6.7 7.0 7.0 7.0 CALYPSO II 7.3 8.3 8.0 8.3 7.3 6.3 6.3 6.7 7.0 7.0 CAS-LP84 7.3 8.0 8.0 8.3 7.0 6.3 6.3 7.0 7.0 7.0 CATALINA II (PST-CATS) 7.7 8.0 8.0 8.3 6.7 6.0 7.0 7.0 7.0 7.0 FIESTA 3 7.7 7.7 8.0 7.0 7.0 6.3 7.0 7.3 7.3 7.0 MP103 7.0 8.0 7.5 7.0 7.0 6.5 6.7 7.5 7.5 7.0 PARADIGM (APR 1236) 7.3 7.7 8.0 7.3 7.0 7.0 6.7 7.0 7.0 7.0 PICK PR QH-97 7.3 8.3 8.0 8.0 6.7 5.7 7.0 7.3 7.3 7.0 PROMISE 7.0 7.7 8.0 7.3 6.7 6.7 7.0 7.3 7.0 7.0 PST-2JH 7.3 7.7 8.0 7.7 7.3 6.3 6.3 7.3 7.0 7.0 RADIANT 7.0 8.3 8.0 8.0 6.3 6.0 6.7 7.7 7.3 7.0 ADMIRE (JR-151) 6.7 7.7 8.0 8.0 7.3 6.3 6.3 7.0 6.7 6.9 APR 1232 7.0 7.3 8.0 7.3 6.7 6.7 6.7 6.7 7.7 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/ 2002 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 RENAISSANCE (APR 1233) 7.3 7.3 8.0 7.0 7.3 6.7 6.3 7.0 7.0 6.9 APR 1234 7.7 7.0 8.0 7.0 7.3 6.7 6.7 7.0 7.0 6.9 CHARGER II 8.0 8.0 8.0 7.0 6.3 7.0 6.7 7.0 7.3 6.9 IQ (CIS-PR-75) 7.7 8.0 8.0 8.0 6.0 6.0 6.7 7.7 7.0 6.9 DIVINE 7.0 8.3 8.0 8.0 7.0 5.7 6.3 7.3 7.3 6.9 DP LP-1 7.3 7.3 7.7 7.0 7.0 6.7 6.3 7.3 7.3 6.9 EXACTA 7.0 8.3 8.0 8.0 6.7 6.3 6.3 7.0 7.0 6.9 MAJESTY 7.0 7.7 7.3 7.3 7.3 6.0 6.7 7.3 7.0 6.9 PREMIER 7.0 7.0 8.0 7.7 7.0 6.0 6.3 7.3 7.0 6.9 SALINAS (PST-2SLX) 7.3 8.0 7.3 8.0 7.0 5.7 7.0 7.0 7.0 6.9 ABT-99-4.339 7.3 7.3 8.0 7.7 7.3 6.0 6.3 6.7 6.7 6.8 ABT-99-4.815 7.0 8.0 8.0 7.7 7.0 6.3 6.3 7.0 6.7 6.8 BUCCANEER 6.7 7.0 8.0 7.0 7.0 5.7 6.3 7.3 7.3 6.8 BY-100 7.0 7.0 8.0 7.3 7.0 6.0 6.3 7.0 7.3 6.8 CATHEDRAL II 8.0 7.7 8.0 7.7 7.3 6.0 6.0 7.0 7.0 6.8 LINE DRIVE 7.0 7.7 8.0 7.3 7.0 6.3 6.3 7.0 7.0 6.8 LPR 98-143 7.0 7.0 6.7 7.0 7.3 6.3 6.0 7.0 7.0 6.8 NEXUS 7.3 8.7 7.7 8.0 6.7 6.3 6.3 7.0 6.7 6.8 PICK PR B-97 7.3 8.0 8.0 7.7 6.7 5.7 6.7 7.3 7.0 6.8 PROWLER (APR 777) 7.0 7.0 7.7 7.3 7.0 7.0 5.7 7.0 7.0 6.8 SR 4500 7.3 7.7 8.0 7.7 7.3 6.0 6.3 7.0 6.7 6.8 AFFINITY 7.3 7.0 7.7 7.0 7.0 7.0 6.3 6.3 6.7 6.7 APR 1235 7.7 7.0 7.7 6.7 7.0 7.0 6.3 6.7 6.7 6.7 DP 17-9069 7.0 7.0 8.0 6.7 7.3 6.7 6.0 6.7 6.7 6.7 EP53 7.3 8.0 8.0 7.3 6.7 6.0 7.0 6.7 6.7 6.7 EXTREME (JR-317) 7.0 7.7 8.0 7.3 7.0 5.0 6.7 7.3 6.7 6.7 MEPY 7.0 7.3 8.0 7.0 6.3 6.0 6.7 7.3 7.0 6.7 PASSPORT 7.3 7.7 8.0 7.3 7.0 6.0 6.3 7.0 6.7 6.7 PICK EX2 7.3 7.0 8.0 7.3 7.3 5.7 6.3 6.7 6.7 6.7 PICK PR 1-94 7.0 7.0 8.0 7.3 7.0 5.7 6.3 7.0 7.0 6.7 SECRETARIAT 7.0 7.0 8.0 7.0 6.7 6.0 6.3 7.0 7.0 6.7 SRX 4120 7.3 7.3 8.0 7.0 7.0 6.0 5.7 7.0 7.3 6.7 WVPB-R-82 7.3 6.0 8.0 6.7 7.3 6.7 5.7 6.7 7.0 6.7 KOOS R-71 7.0 7.0 7.7 6.3 6.7 6.3 6.0 6.7 7.7 6.6 WVPB-R-84 7.0 7.3 8.0 7.3 7.3 6.0 6.0 6.3 6.3 6.6 EDGE 6.7 7.0 8.0 6.7 7.0 5.7 5.7 6.7 6.3 6.3 YATSUGREEN 6.7 7.3 7.3 6.7 7.7 6.0 5.3 6.0 6.0 6.3 DP 17-9391 7.3 6.3 7.3 5.7 6.7 6.7 5.3 6.3 6.3 6.2 DP 17-9496 6.0 6.3 7.0 6.0 7.7 6.0 5.0 5.3 6.0 6.0 LINN 6.0 6.0 6.0 3.0 5.7 5.7 4.7 5.3 7.0 5.2 LSD VALUE 1.1 1.0 0.5 0.9 2.4 1.7 0.9 1.0 1.1 0.6 C.V. (%) 7.7 7.1 3.6 7.4 8.3 11.3 7.5 7.2 7.3 5.0 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 IA1 SANDY CLAY LOAM 7.1-7.5 0-60 241-375 2.1-3.0 FULL SUN 2.1-2.5 TO PREVENT STRESS