TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 1999 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 1/ 2001 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 ALL STAR2 (CIS-PR-78) 8.0 5.7 8.0 5.0 7.7 8.3 9.0 8.7 8.0 7.8 PINNACLE II (BAR 9 B2) 9.0 6.0 8.3 5.0 8.7 7.7 9.0 8.7 8.0 7.8 APR 1232 7.7 5.0 8.0 5.3 8.7 7.7 8.0 8.0 8.0 7.6 MACH 1 (ROBERTS-627) 8.0 6.0 8.0 5.3 8.0 8.3 8.3 8.0 7.3 7.6 WILMINGTON 8.7 5.3 8.0 5.0 8.3 7.7 8.3 8.3 7.7 7.6 MONTEREY II (JR-187) 7.7 5.0 8.0 5.0 8.3 7.7 7.7 8.3 8.0 7.5 ALLSPORT 7.0 4.7 8.0 5.3 8.0 7.0 8.0 8.0 8.0 7.4 AMAZING (B1) 8.3 5.7 8.0 5.0 8.3 7.7 7.7 8.3 7.3 7.4 BRIGHTSTAR SLT (PST-2A6B) 7.0 5.3 8.0 5.3 7.3 7.3 7.7 8.3 8.3 7.4 CAS-LP84 8.0 5.0 8.0 4.3 8.0 7.3 8.3 8.3 8.0 7.4 RACER II (PICK RC2) 8.3 5.7 8.3 5.7 8.7 7.7 8.0 7.3 7.0 7.4 EXACTA 8.0 6.0 8.0 5.3 8.3 7.3 7.7 8.0 7.7 7.4 GATOR 3 (CIS-PR-85) 8.3 5.7 8.0 5.3 7.3 7.7 8.3 8.0 7.7 7.4 MB 414 8.0 5.3 8.0 4.7 8.3 7.0 8.3 8.7 7.3 7.4 PENNANT II 7.7 4.7 8.0 4.7 8.3 7.0 8.3 8.0 8.0 7.4 BLAZER IV (PICK MDR) 9.0 6.0 8.0 5.0 8.7 7.0 8.3 8.0 7.7 7.4 PROMISE 8.3 5.3 8.0 5.0 8.0 7.7 7.7 8.3 7.7 7.4 PST-2LA 7.7 4.7 8.0 4.3 8.0 8.3 8.0 8.0 8.0 7.4 INSPIRE (R8000) 7.7 4.7 8.0 4.7 7.3 8.0 7.7 8.3 8.3 7.4 RADIANT 8.7 6.3 8.0 5.0 8.3 7.7 8.3 8.0 7.3 7.4 ABT-99-4.560 8.0 5.3 8.3 4.7 7.7 7.3 8.3 8.3 7.7 7.3 ABT-99-4.834 8.0 5.3 8.0 4.3 7.3 8.0 8.0 8.3 7.7 7.3 BARLENNIUM 7.7 4.7 8.0 4.7 7.7 8.3 8.3 7.7 7.3 7.3 CABO (CIS-PR-80) 8.7 5.7 8.0 4.3 8.3 7.3 8.0 8.3 7.7 7.3 CHARISMATIC (LTP 98-501) 8.3 5.7 8.3 4.7 8.7 7.3 7.3 8.3 7.7 7.3 CIS-PR-75 8.3 5.0 8.0 4.7 7.7 7.7 8.3 8.0 7.3 7.3 KOKOMO (CIS-PR-69) 8.3 5.7 8.7 4.7 8.3 7.3 8.0 7.7 7.7 7.3 LTP-ME 7.7 4.7 8.0 4.3 8.0 7.7 8.0 8.3 7.7 7.3 MANHATTAN 4 (PST-2CRL) 8.0 4.7 8.0 4.7 7.3 7.7 8.3 8.0 8.0 7.3 PARADIGM (APR 1236) 8.3 5.3 8.0 5.0 8.3 7.7 7.3 7.7 8.0 7.3 PARAGON 7.3 5.3 8.0 4.3 8.3 7.3 8.0 8.3 7.7 7.3 PICK PR QH-97 8.0 5.7 8.3 5.7 8.0 6.7 7.7 8.0 7.7 7.3 PIZZAZZ 8.3 5.3 8.0 4.3 7.3 7.0 9.0 8.7 7.7 7.3 PST-2CRR 8.0 6.0 8.0 5.7 8.0 6.3 8.3 8.0 7.7 7.3 SR 4220 (SRX 4801) 7.3 5.0 8.3 4.3 8.0 7.7 8.3 8.3 7.3 7.3 ABT-99-4.464 7.0 4.7 8.0 4.7 7.7 6.7 7.7 8.3 8.3 7.2 ABT-99-4.815 7.0 5.0 8.0 4.7 7.7 7.7 8.0 7.7 7.7 7.2 ABT-99-4.965 8.7 4.7 8.0 3.7 7.7 7.7 8.3 8.3 7.3 7.2 CATALINA 7.3 5.0 8.0 4.3 7.3 7.3 7.7 8.7 7.7 7.2 CHARGER II 7.7 4.7 8.0 4.7 7.7 7.7 8.0 8.0 7.3 7.2 DIVINE 7.7 5.3 8.0 4.3 8.3 7.0 8.0 7.7 7.7 7.2 DLF-LDD 8.0 5.3 8.0 4.7 7.7 7.7 7.7 8.0 7.3 7.2 MEPY 7.3 5.7 8.0 5.0 7.3 7.3 7.7 8.3 7.7 7.2 MP88 8.0 5.0 8.0 4.0 7.3 7.3 8.0 8.7 8.0 7.2 PACESETTER (6011) 8.0 4.0 8.0 4.3 8.0 7.7 7.3 8.3 7.7 7.2 PANTHER 7.0 4.7 8.0 4.7 7.7 7.3 7.7 8.0 7.7 7.2 PROSPORT (AG-P981) 7.7 4.7 8.7 4.0 7.7 7.7 8.0 8.0 7.7 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 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST GENETIC SPRING LEAF QUALITY RATINGS NAME COLOR GREENUP TEXTURE MAY JUN JUL AUG SEP OCT MEAN PST-2RT 7.7 5.3 8.0 4.7 7.7 7.7 7.7 8.0 7.7 7.2 HAWKEYE (SRX 4RHT) 8.3 5.7 8.0 4.7 8.3 7.0 8.0 8.0 7.3 7.2 UT-1000 (ABT-99-4.709) 7.7 5.0 8.0 4.0 7.3 7.7 8.3 8.0 8.0 7.2 ABT-99-4.115 8.0 5.3 8.0 4.0 7.7 7.0 7.7 8.3 7.7 7.1 ABT-99-4.721 8.0 5.7 8.0 4.3 8.0 7.0 7.7 7.7 7.7 7.1 APPLAUD (PENNINGTON-11301) 8.0 4.3 8.3 3.7 7.3 8.0 8.0 8.0 7.3 7.1 APR 1233 7.3 4.3 8.0 3.7 8.0 8.0 7.7 7.7 7.3 7.1 ASCEND 9.0 5.3 8.0 4.0 8.3 6.7 8.0 7.7 8.0 7.1 CALYPSO II 7.3 5.3 8.0 4.7 8.3 6.7 7.7 7.7 7.7 7.1 CHURCHILL 8.3 5.0 8.0 3.3 8.0 7.7 7.7 8.0 7.7 7.1 CIS-PR-84 8.0 4.0 8.0 3.3 7.3 7.3 8.3 8.3 7.7 7.1 EPD 7.0 4.7 8.0 4.0 7.7 7.7 7.7 8.0 7.3 7.1 JET 8.0 4.7 8.0 3.7 7.7 7.0 8.0 8.3 8.0 7.1 MAJESTY 7.7 4.3 8.3 4.3 7.7 7.3 7.7 7.7 8.0 7.1 MANHATTAN 3 7.3 4.3 8.0 4.0 8.0 7.3 8.0 7.3 7.7 7.1 SPLENDID (MB 411) 8.0 4.7 8.0 3.7 8.0 6.3 8.0 8.3 8.3 7.1 NEXUS 8.7 4.3 8.3 3.7 7.7 8.0 8.3 8.0 7.0 7.1 PHANTOM 8.3 4.3 8.0 3.7 8.0 7.3 7.7 8.3 7.7 7.1 PICK PRNGS 7.7 4.7 8.0 4.3 8.0 6.7 7.7 8.0 7.7 7.1 CITATION FORE (PST-2BR) 8.3 4.0 8.0 3.3 7.0 8.3 8.0 8.3 7.7 7.1 PST-2SBE 7.7 4.3 8.0 4.0 7.7 7.7 7.7 8.3 7.3 7.1 SALINAS (PST-2SLX) 8.0 5.3 8.0 4.3 7.3 6.7 7.7 8.3 8.0 7.1 TERRADYNE (A5C) 8.0 4.3 8.0 4.3 7.3 8.0 7.7 8.0 6.7 7.0 ABT-99-4.339 8.0 4.7 8.0 5.3 8.0 7.0 8.0 5.7 8.0 7.0 ADMIRE (JR-151) 7.7 4.3 8.0 4.3 8.3 8.0 7.0 7.3 7.0 7.0 APR 1237 7.3 4.0 8.0 4.7 8.0 6.3 7.7 8.0 7.3 7.0 BRIGHTSTAR II 7.3 4.7 8.0 4.0 7.3 7.3 7.7 8.0 7.7 7.0 GALLERY (MB 412) 8.7 4.7 8.0 3.3 7.3 8.0 7.7 8.3 7.3 7.0 MP103 7.5 5.5 8.0 4.0 7.5 6.5 8.0 8.0 8.0 7.0 SEVILLE II 8.0 4.0 8.0 3.7 7.7 7.0 8.0 8.0 7.7 7.0 SKYHAWK 7.7 4.3 8.0 4.0 7.3 7.7 7.7 7.7 7.7 7.0 STELLAR (CIS-PR-72) 8.0 4.7 8.0 3.3 7.3 7.7 8.0 8.0 7.7 7.0 AFFIRMED 7.7 5.0 8.0 4.3 8.3 6.3 7.3 8.0 7.3 6.9 FIESTA 3 8.0 3.3 8.0 3.7 8.0 6.7 8.0 8.0 7.3 6.9 JR-128 7.3 4.0 8.0 4.3 7.3 6.7 7.7 7.7 7.7 6.9 LPR 98-143 7.3 4.7 8.0 4.3 8.3 7.0 7.0 7.7 7.3 6.9 COURAGE (MB 410) 8.3 4.7 8.0 4.0 7.7 6.3 8.0 8.3 7.3 6.9 MP107 8.0 4.7 8.0 3.0 7.7 7.0 7.7 8.3 8.0 6.9 PICK PR B-97 8.0 5.0 8.0 3.7 7.7 7.3 7.7 7.7 7.3 6.9 PLEASURE XL 7.0 4.0 8.0 3.7 7.3 6.7 8.0 8.3 7.3 6.9 PST-2JH 7.0 4.0 8.3 3.7 7.3 7.7 7.7 8.0 7.3 6.9 GRAND SLAM (PST-2L96) 8.0 4.7 8.0 4.0 7.3 8.0 7.3 7.7 7.3 6.9 SRX 4120 7.7 5.0 7.7 5.0 7.7 6.3 7.3 7.7 7.7 6.9 SUPERSTAR (EP57) 7.7 4.7 8.0 3.3 8.0 6.3 7.7 8.3 7.7 6.9 ABT-99-4.600 7.0 3.7 8.0 3.0 7.3 7.0 8.0 7.3 8.0 6.8 ABT-99-4.625 8.0 4.7 8.0 4.0 7.0 8.3 7.3 7.7 6.7 6.8 ABT-99-4.724 7.0 4.3 8.0 4.3 7.3 6.7 8.0 7.7 7.0 6.8 TABLE 2. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 1999 NATIONAL PERENNIAL RYEGRASS TEST AT AMES, IA 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST GENETIC SPRING LEAF QUALITY RATINGS NAME COLOR GREENUP TEXTURE MAY JUN JUL AUG SEP OCT MEAN ELFKIN 7.0 4.3 8.3 4.7 7.0 7.3 7.0 7.7 7.3 6.8 SUMMERSET (MB 413) 8.3 5.0 8.0 3.3 7.3 6.7 8.0 8.0 7.3 6.8 MDP 8.0 5.3 8.0 4.0 7.0 7.0 7.3 8.0 7.3 6.8 PENTIUM (NJ-6401) 8.0 3.7 8.0 3.0 8.0 6.3 8.7 7.3 7.3 6.8 PROWLER (APR 777) 7.0 4.0 8.0 4.3 7.3 7.0 7.3 7.7 7.3 6.8 CATALINA II (PST-CATS) 8.0 4.0 8.0 2.3 7.3 6.3 8.3 8.3 8.0 6.8 RACER 8.0 4.7 8.0 4.0 7.7 6.3 8.0 7.3 7.3 6.8 SR 4500 7.3 4.7 8.0 4.3 7.3 7.0 7.3 7.3 7.3 6.8 SR 4420 (SRX 4820) 8.0 4.3 8.3 4.0 7.7 6.7 7.7 8.0 7.0 6.8 WVPB-R-82 6.0 4.3 8.3 4.7 7.0 7.3 7.0 7.7 7.0 6.8 APR 776 7.0 4.3 8.3 3.7 7.3 7.3 7.3 7.3 7.3 6.7 KOOS R-71 6.3 4.0 8.0 4.0 7.0 7.0 7.0 7.3 7.7 6.7 PALMER III 7.3 4.0 8.0 3.3 7.7 7.0 7.3 7.7 7.3 6.7 PASSPORT 7.0 4.0 8.0 4.7 7.3 6.7 7.0 7.3 7.0 6.7 PST-2M4 8.0 3.0 8.0 2.7 7.7 7.3 8.0 7.7 7.0 6.7 APR 1231 7.3 3.7 8.0 3.7 7.7 5.7 7.7 7.3 7.7 6.6 APR 1235 8.0 4.0 7.7 3.3 8.0 7.0 7.0 7.3 6.7 6.6 CATHEDRAL II 8.0 4.3 8.3 4.0 7.7 6.7 7.0 7.3 7.0 6.6 EDGE 6.7 4.0 7.7 3.3 7.7 7.3 6.3 7.0 7.7 6.6 EP53 7.7 4.3 8.0 3.0 7.0 6.7 7.7 8.0 7.0 6.6 EXTREME (JR-317) 7.0 3.7 8.0 3.3 7.3 7.0 7.0 7.7 7.3 6.6 HEADSTART 7.3 4.3 8.0 3.7 7.7 7.0 6.7 7.3 7.0 6.6 LINE DRIVE 8.0 4.3 8.0 3.3 7.3 7.3 7.0 7.3 7.3 6.6 PICK EX2 6.7 4.3 8.0 4.3 7.7 6.3 6.7 7.7 7.0 6.6 PREMIER 6.7 3.0 8.0 3.7 7.0 7.0 7.0 7.7 7.3 6.6 PREMIER II 7.7 3.7 8.0 3.3 7.3 6.7 7.3 7.7 7.3 6.6 SECRETARIAT 7.0 4.0 8.0 4.7 7.3 6.3 6.7 7.0 7.7 6.6 APR 1234 7.3 3.0 7.7 3.0 7.7 6.7 7.3 7.0 7.0 6.4 DP LP-1 6.3 4.7 7.3 3.7 7.0 7.0 6.7 7.0 7.3 6.4 LPR 98-144 7.0 4.0 8.0 4.0 7.0 6.0 7.3 7.3 7.0 6.4 PICK PR 1-94 8.3 4.3 8.3 3.3 7.3 6.3 7.3 7.7 6.7 6.4 BUCCANEER 6.0 3.7 8.0 3.7 7.3 6.3 6.3 7.0 7.3 6.3 BY-100 6.7 4.0 8.0 4.0 7.3 5.7 6.7 7.0 7.0 6.3 WVPB-R-84 6.3 3.3 8.0 3.0 7.3 6.7 6.0 7.3 7.3 6.3 DP 17-9069 6.3 4.0 8.3 3.3 7.0 6.7 6.0 7.0 7.3 6.2 YATSUGREEN 6.3 3.7 7.3 3.0 7.3 7.3 6.0 7.0 6.3 6.2 AFFINITY 7.0 3.3 8.0 3.0 7.3 5.3 6.7 7.0 6.7 6.0 DP 17-9391 6.7 3.0 7.7 2.7 7.0 6.3 5.7 7.3 6.3 5.9 DP 17-9496 6.0 3.0 6.7 2.0 6.3 6.7 5.0 6.3 6.0 5.4 LINN 6.0 2.3 7.0 1.7 5.3 5.7 4.3 6.3 5.7 4.8 LSD VALUE 1.1 1.9 0.6 3.8 3.1 2.5 1.1 1.5 1.7 1.0 C.V. (%) 8.4 20.1 3.5 28.2 10.5 12.6 8.5 8.5 8.5 7.1 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. 2001 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