TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE 1999 NATIONAL PERENNIAL RYEGRASS TEST AT UNIVERSITY PARK, PA 1/ 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST 2/ GENETIC DENSITY QUALITY RATINGS NAME COLOR SUMMER MAY JUN JUL AUG SEP MEAN ABT-99-4.560 7.3 8.0 8.7 8.3 8.3 7.3 7.7 8.1 ABT-99-4.721 7.0 8.3 8.3 8.3 9.0 7.3 7.7 8.1 SR 4220 (SRX 4801) 6.7 8.7 8.3 8.0 9.0 7.3 8.0 8.1 ABT-99-4.464 6.3 9.0 8.0 8.3 9.0 7.3 7.3 8.0 ABT-99-4.115 6.3 8.7 8.0 8.3 8.7 7.0 7.7 7.9 APR 776 6.3 8.0 8.0 8.3 9.0 7.0 7.0 7.9 CATHEDRAL II 6.7 8.3 8.0 8.3 9.0 6.7 7.3 7.9 CHARISMATIC (LTP 98-501) 7.7 8.7 8.7 8.0 8.7 6.7 7.3 7.9 KOKOMO (CIS-PR-69) 7.3 8.3 8.0 7.7 8.7 6.7 8.3 7.9 MACH 1 (ROBERTS-627) 8.0 8.0 8.7 7.7 8.0 6.7 8.3 7.9 HAWKEYE (SRX 4RHT) 8.3 8.0 8.3 7.3 8.7 6.7 8.3 7.9 CIS-PR-84 7.7 8.3 8.7 8.0 8.3 6.3 7.7 7.8 MANHATTAN 4 (PST-2CRL) 7.0 8.7 8.3 8.0 8.7 6.3 7.7 7.8 SPLENDID (MB 411) 7.0 8.7 8.3 8.0 9.0 6.3 7.3 7.8 TERRADYNE (A5C) 7.7 8.0 8.0 7.3 8.0 7.0 8.3 7.7 ALL STAR2 (CIS-PR-78) 7.7 8.0 7.3 8.0 8.0 6.7 8.3 7.7 CIS-PR-75 7.3 8.3 8.3 7.0 8.7 7.0 7.7 7.7 DLF-LDD 6.3 8.0 9.0 7.7 8.3 6.7 7.0 7.7 JET 7.7 8.3 8.0 7.7 9.0 7.0 7.0 7.7 MAJESTY 6.3 8.3 8.0 7.7 8.7 6.7 7.7 7.7 PANTHER 6.0 8.7 7.3 8.0 9.0 7.0 7.0 7.7 PENNANT II 7.3 8.0 8.0 7.3 9.0 7.0 7.3 7.7 SEVILLE II 7.0 8.0 8.3 7.7 8.3 6.7 7.7 7.7 WILMINGTON 8.7 7.7 8.7 7.7 8.3 6.0 7.7 7.7 ABT-99-4.724 7.7 8.3 7.7 7.3 8.3 7.0 7.7 7.6 ABT-99-4.834 7.3 8.0 8.3 7.3 8.0 6.3 8.0 7.6 APPLAUD (PENNINGTON-11301) 6.7 8.0 8.7 7.3 8.7 5.7 7.7 7.6 APR 1237 6.3 8.3 8.0 7.7 8.7 7.0 6.7 7.6 LPR 98-144 6.0 8.3 7.7 7.7 8.3 7.3 7.0 7.6 PINNACLE II (BAR 9 B2) 7.7 8.0 8.7 7.7 7.7 6.7 7.3 7.6 PIZZAZZ 7.3 8.0 8.0 7.3 8.3 6.3 8.0 7.6 PST-2SBE 6.7 8.3 8.0 7.7 8.3 7.0 7.0 7.6 RADIANT 8.0 7.7 8.0 7.3 8.7 6.0 8.0 7.6 SR 4500 6.0 8.7 8.0 8.0 8.3 6.7 7.0 7.6 EXACTA 7.3 8.3 7.7 8.0 8.0 6.7 7.3 7.5 SUMMERSET (MB 413) 7.7 8.0 7.3 7.3 8.7 6.7 7.3 7.5 MONTEREY II (JR-187) 6.7 8.3 8.0 7.7 8.3 7.0 6.3 7.5 PARAGON 6.3 8.0 8.0 7.3 8.3 6.0 7.7 7.5 PREMIER II 6.3 8.7 7.7 8.0 8.7 6.3 7.0 7.5 PROMISE 6.7 8.0 7.7 7.0 8.3 7.0 7.7 7.5 INSPIRE (R8000) 7.7 8.0 8.3 7.3 8.0 7.0 7.0 7.5 SR 4420 (SRX 4820) 6.7 8.0 8.0 7.7 8.3 6.7 6.7 7.5 STELLAR (CIS-PR-72) 7.3 8.3 7.7 7.7 8.3 6.3 7.7 7.5 ABT-99-4.965 8.7 7.7 7.3 7.3 9.0 6.3 7.0 7.4 DIVINE 6.0 8.3 7.3 7.3 8.7 6.7 7.0 7.4 GATOR 3 (CIS-PR-85) 7.3 8.0 7.7 7.3 8.0 6.3 7.7 7.4 MANHATTAN 3 5.3 8.0 6.7 7.3 8.7 7.3 7.0 7.4 TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 1999 NATIONAL PERENNIAL RYEGRASS TEST AT UNIVERSITY PARK, PA 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST GENETIC DENSITY QUALITY RATINGS NAME COLOR SUMMER MAY JUN JUL AUG SEP MEAN MP88 6.7 7.7 7.7 7.7 8.3 5.7 7.7 7.4 PICK PR B-97 8.3 7.7 7.7 7.3 8.3 7.0 6.7 7.4 PLEASURE XL 6.7 8.3 7.3 8.0 8.3 6.7 6.7 7.4 PST-2JH 5.3 8.3 7.0 7.7 9.0 7.0 6.3 7.4 SUPERSTAR (EP57) 7.3 8.0 8.0 7.7 8.7 5.7 7.0 7.4 ABT-99-4.339 6.0 8.0 7.3 7.7 8.3 6.3 6.7 7.3 ADMIRE (JR-151) 5.7 8.0 7.7 7.7 8.3 6.3 6.7 7.3 AFFIRMED 6.0 8.3 7.7 7.3 8.0 6.3 7.3 7.3 BARLENNIUM 6.7 8.3 7.7 7.3 7.7 6.3 7.3 7.3 BRIGHTSTAR SLT (PST-2A6B) 7.3 8.0 8.0 7.3 8.0 6.0 7.0 7.3 CABO (CIS-PR-80) 8.0 8.7 7.3 7.7 8.0 5.7 7.7 7.3 CHARGER II 5.3 8.7 6.3 7.7 8.3 7.0 7.3 7.3 ELFKIN 6.3 8.0 7.7 7.3 8.0 6.7 6.7 7.3 EP53 6.3 8.0 7.3 7.7 8.7 6.0 7.0 7.3 LTP-ME 7.0 8.3 7.7 7.3 8.0 6.3 7.3 7.3 COURAGE (MB 410) 6.3 8.0 8.0 7.3 8.0 6.3 7.0 7.3 MB 414 7.3 8.0 8.0 7.0 8.3 6.0 7.0 7.3 PENTIUM (NJ-6401) 6.7 8.0 7.3 7.3 8.3 6.7 6.7 7.3 PHANTOM 7.0 8.0 7.7 7.7 8.0 6.3 6.7 7.3 BLAZER IV (PICK MDR) 7.3 8.0 8.0 7.3 8.0 6.3 7.0 7.3 PICK PR QH-97 7.7 7.7 7.7 7.0 8.0 6.7 7.3 7.3 CITATION FORE (PST-2BR) 7.3 8.0 7.7 7.3 8.3 6.0 7.3 7.3 GRAND SLAM (PST-2L96) 7.3 7.7 7.3 7.3 8.0 6.7 7.0 7.3 PST-2LA 6.0 8.0 7.3 7.3 8.3 6.7 7.0 7.3 PST-2RT 5.3 8.0 6.7 8.0 8.3 6.7 6.7 7.3 SKYHAWK 6.7 7.7 7.3 7.3 8.3 6.0 7.3 7.3 APR 1231 4.3 8.3 7.0 7.7 8.0 7.3 6.0 7.2 CHURCHILL 7.7 8.3 7.3 7.7 7.7 6.0 7.3 7.2 LINE DRIVE 6.3 7.7 7.3 7.7 8.0 6.3 6.7 7.2 GALLERY (MB 412) 8.3 7.7 7.3 7.0 8.0 6.3 7.3 7.2 MEPY 7.0 7.7 8.3 7.3 7.7 6.0 6.7 7.2 PACESETTER (6011) 6.0 8.3 7.3 7.3 8.0 6.3 7.0 7.2 CATALINA II (PST-CATS) 7.3 7.7 7.0 7.7 8.7 6.7 6.0 7.2 SALINAS (PST-2SLX) 7.0 8.3 8.3 7.3 8.0 5.7 6.7 7.2 ABT-99-4.815 6.3 7.7 7.0 7.3 8.0 6.3 6.7 7.1 APR 1235 5.0 7.7 7.0 7.3 7.7 6.7 6.7 7.1 CALYPSO II 5.3 8.0 7.0 7.7 7.7 6.3 7.0 7.1 CAS-LP84 7.0 8.0 7.3 7.3 8.0 6.3 6.3 7.1 DP LP-1 4.0 8.0 7.0 7.7 8.0 6.7 6.3 7.1 EPD 6.3 7.7 7.7 7.3 8.0 6.0 6.7 7.1 EXTREME (JR-317) 6.3 8.0 7.3 7.3 7.7 6.3 6.7 7.1 JR-128 5.7 8.0 7.0 7.7 8.0 6.0 7.0 7.1 MDP 7.0 8.0 7.7 7.3 8.0 5.3 7.3 7.1 NEXUS 8.3 7.7 7.7 7.3 7.7 6.0 6.7 7.1 PICK PR 1-94 7.7 7.7 7.0 7.3 7.7 6.7 7.0 7.1 PST-2CRR 6.3 8.0 6.7 7.3 8.3 6.0 7.3 7.1 PST-2M4 6.3 7.7 7.3 7.7 7.7 6.7 6.0 7.1 TABLE 19. MEAN TURFGRASS QUALITY AND OTHER RATINGS OF PERENNIAL RYEGRASS CULTIVARS IN THE (CONT'D) 1999 NATIONAL PERENNIAL RYEGRASS TEST AT UNIVERSITY PARK, PA 2001 DATA TURFGRASS QUALITY AND OTHER RATINGS 1-9; 9=BEST GENETIC DENSITY QUALITY RATINGS NAME COLOR SUMMER MAY JUN JUL AUG SEP MEAN ALLSPORT 5.7 8.0 7.3 7.3 8.0 5.7 6.7 7.0 HEADSTART 5.3 7.7 7.0 7.7 7.7 5.7 7.0 7.0 MP107 6.7 7.7 7.3 7.0 7.7 5.7 7.3 7.0 PALMER III 6.0 8.0 7.0 7.7 8.0 5.7 6.7 7.0 AMAZING (B1) 7.3 8.0 8.3 7.0 7.3 5.3 6.7 6.9 APR 1232 4.7 8.0 6.3 7.3 7.7 6.7 6.7 6.9 ASCEND 7.0 7.7 7.0 7.0 8.0 6.0 6.7 6.9 BRIGHTSTAR II 7.3 7.3 7.7 7.0 7.7 5.3 7.0 6.9 BY-100 4.0 8.0 6.7 7.7 8.0 5.7 6.3 6.9 CATALINA 5.3 7.7 7.3 7.0 7.7 5.7 6.7 6.9 EDGE 4.3 8.7 6.3 7.7 8.0 6.0 6.3 6.9 FIESTA 3 6.7 7.3 7.7 7.3 7.3 5.3 6.7 6.9 PICK PRNGS 5.3 8.3 7.0 7.3 8.0 6.3 6.0 6.9 PREMIER 4.7 7.7 8.0 7.0 8.0 6.0 5.7 6.9 PROWLER (APR 777) 5.0 7.7 7.3 7.0 7.3 6.7 6.3 6.9 SECRETARIAT 5.0 8.0 7.0 7.3 7.7 6.0 6.3 6.9 ABT-99-4.600 4.7 7.7 6.3 7.3 8.0 6.0 6.3 6.8 RACER II (PICK RC2) 5.7 8.0 7.3 7.0 7.7 6.0 6.0 6.8 DP 17-9069 3.3 8.0 7.0 7.3 8.3 5.7 5.7 6.8 ABT-99-4.625 7.7 7.3 6.3 7.0 7.7 6.0 6.7 6.7 AFFINITY 4.3 7.7 7.0 7.3 8.0 5.7 5.7 6.7 APR 1233 4.7 7.7 6.7 7.0 8.0 6.0 6.0 6.7 LPR 98-143 5.7 7.3 7.0 6.3 7.7 5.7 6.7 6.7 RACER 6.0 7.7 6.7 6.7 7.7 5.7 6.3 6.6 SRX 4120 5.0 8.0 6.3 7.0 7.7 6.0 6.0 6.6 DP 17-9391 3.3 7.7 6.7 7.3 7.7 5.0 6.0 6.5 MP103 7.0 7.0 6.3 6.7 7.7 5.0 6.7 6.5 PASSPORT 5.3 7.7 7.3 7.0 7.0 5.3 6.0 6.5 PICK EX2 4.7 7.7 6.0 7.3 7.7 5.7 6.0 6.5 PROSPORT (AG-P981) 6.7 7.3 6.7 6.3 7.7 6.0 6.0 6.5 UT-1000 (ABT-99-4.709) 7.0 7.3 6.0 6.7 7.7 5.3 7.0 6.5 WVPB-R-84 4.7 7.3 6.7 7.0 7.7 5.7 5.3 6.5 APR 1234 3.7 8.3 6.0 7.7 7.7 5.3 5.0 6.3 PARADIGM (APR 1236) 6.0 7.3 6.0 7.0 7.0 6.0 5.3 6.3 WVPB-R-82 4.3 7.7 6.0 7.3 7.7 5.0 5.3 6.3 YATSUGREEN 4.0 7.3 5.3 7.3 7.7 5.7 5.7 6.3 KOOS R-71 4.3 7.7 6.3 7.0 7.0 4.7 6.0 6.2 BUCCANEER 4.0 7.0 5.7 6.3 7.3 5.7 5.7 6.1 DP 17-9496 2.7 7.0 4.3 6.0 6.0 3.7 4.0 4.8 LINN 3.3 6.3 3.3 4.0 4.7 2.7 3.0 3.5 LSD VALUE 0.8 1.6 1.2 1.1 1.6 1.6 1.4 0.8 C.V. (%) 8.8 7.5 9.9 8.0 9.1 13.0 11.6 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 PA1 LOAM 6.1-6.5 271-450 151-240 3.1-4.0 FULL SUN 1.6-2.0 TO PREVENT STRESS