TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS FOR EACH MONTH GROWN AT TWENTY-SEVEN LOCATIONS IN THE U.S. AND CANADA 1/ 1997 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF: MONTHS 2/ NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN PALMER III (LRF-94-MPRH) 4.8 4.5 5.8 6.3 6.5 6.1 5.9 5.7 6.2 6.3 6.1 5.4 6.2 SECRETARIAT (RPBD) 4.2 3.8 5.8 6.3 6.5 6.3 6.1 5.8 6.1 6.1 6.0 4.9 6.2 BRIGHTSTAR II (PST-2M3) 4.3 4.2 5.8 6.3 6.7 6.3 5.7 5.7 6.2 6.2 6.2 5.3 6.2 CALYPSO II 4.3 3.8 5.3 6.1 6.3 6.3 5.8 5.8 6.3 6.2 6.1 5.4 6.2 MONTEREY (J-1706) 4.8 4.2 5.8 6.1 6.2 6.0 5.9 5.7 6.1 6.0 6.0 4.8 6.1 CADDIESHACK (MED 5071) 4.0 3.5 5.6 6.1 6.2 6.2 5.8 5.7 6.0 6.0 6.2 5.1 6.1 PANTHER (ZPS-PR1) 4.3 4.0 5.6 6.1 6.3 6.1 5.8 5.7 6.1 6.0 6.0 5.2 6.1 ACCENT 4.2 3.8 5.2 5.9 6.2 6.1 6.1 5.7 5.9 6.0 6.0 5.2 6.1 PRELUDE III (LRF-94-B6) 4.0 3.8 5.9 6.2 6.4 5.9 5.6 5.5 5.9 6.2 6.0 5.1 6.0 ISI-MHB 4.5 4.2 5.8 5.9 6.3 6.0 5.9 5.8 5.9 6.0 5.9 5.3 6.0 PREMIER II (BAR USA 94-II) 4.8 4.3 5.6 6.1 6.3 6.1 5.8 5.5 6.0 6.0 6.1 5.3 6.0 PENNANT II (MB 42) 4.5 3.7 5.7 6.4 6.4 6.0 5.6 5.5 6.0 6.2 5.8 4.7 6.0 PRIZM 4.8 4.2 5.6 6.1 6.2 5.9 5.7 5.7 6.0 5.9 6.0 5.2 6.0 MANHATTAN 3 4.0 3.8 5.8 6.0 6.0 5.9 5.7 5.7 6.0 6.0 5.7 5.4 6.0 TOP HAT 4.7 4.0 5.4 5.9 6.1 5.9 5.9 5.7 6.0 5.9 5.7 5.6 6.0 LRF-94-C8 4.0 3.5 5.5 6.3 6.3 5.8 5.5 5.6 5.9 6.0 5.9 5.1 6.0 CATALINA (PST-GH-94) 4.2 3.7 5.3 6.0 6.4 6.0 5.7 5.5 6.0 6.0 5.9 4.7 6.0 PASSPORT (PST-2FF) 4.2 3.7 5.4 5.9 6.2 6.0 5.5 5.7 5.9 6.0 5.9 5.3 6.0 MB 44 4.2 4.0 5.7 6.3 6.6 6.1 5.6 5.5 5.7 5.9 5.5 5.1 6.0 LINE DRIVE (MB 47) 4.5 3.8 5.8 6.3 6.3 5.8 5.6 5.6 5.9 5.9 6.0 5.5 6.0 ESQUIRE 4.0 3.5 5.3 6.1 6.2 6.0 5.8 5.6 5.8 5.9 6.0 5.5 6.0 REPELL III (LRF-94-C7) 4.2 4.0 5.8 6.4 6.4 5.8 5.6 5.4 5.8 5.9 5.5 5.0 5.9 RIVIERA II 4.5 3.8 5.4 6.0 6.2 5.8 5.7 5.6 5.9 5.8 5.7 5.4 5.9 TOP GUN (J-1703) 4.0 3.5 5.3 5.8 6.0 5.9 5.8 5.6 5.8 5.8 5.9 5.0 5.9 MAJESTY (MB 43) 4.2 3.8 5.6 6.3 6.3 5.8 5.6 5.4 6.0 5.8 5.9 4.5 5.9 SR 4400 (SRX 4400) 4.5 3.8 5.6 5.8 6.0 5.9 5.9 5.6 5.8 5.8 5.6 5.3 5.9 LAREDO 4.7 4.2 5.3 5.7 5.9 6.0 5.8 5.6 5.9 5.9 5.8 5.4 5.9 ASSURE 4.3 3.8 5.6 6.0 6.1 5.9 5.7 5.6 5.9 5.8 5.8 5.5 5.9 SONATA (PST-2R3) 3.8 3.3 5.3 5.8 6.0 5.8 5.6 5.5 6.0 6.1 5.8 4.6 5.9 HEAD START (PICK PR 84-91) 3.7 3.5 5.3 6.1 6.1 5.9 5.7 5.5 6.0 5.8 5.6 4.8 5.9 ACHIEVER 4.2 3.8 5.3 5.9 5.7 5.7 5.8 5.8 5.9 5.8 5.7 5.2 5.9 CUTTER 4.0 3.8 5.3 6.0 6.0 5.8 5.8 5.6 5.9 5.6 5.9 5.0 5.9 SR 4200 4.0 3.8 5.8 5.9 6.1 6.0 5.8 5.5 5.8 5.8 5.6 5.2 5.9 BRIGHTSTAR 4.3 4.0 5.8 5.8 6.2 6.0 5.6 5.5 5.9 5.8 5.7 5.3 5.9 SUNSHINE (PICK LP 102-92) 4.2 3.5 5.6 6.1 6.1 5.9 5.5 5.6 5.9 5.7 5.6 4.9 5.9 EDGE 4.0 3.8 5.6 6.0 5.9 5.8 5.8 5.6 5.8 5.8 5.8 5.5 5.9 BLACKHAWK (TMI-EXFLP94) 4.3 3.8 5.4 5.8 5.9 5.8 5.8 5.6 5.8 5.7 5.9 5.3 5.9 STALLION SUPREME (PSI-E-1) 4.2 3.7 5.5 5.9 5.8 5.8 5.6 5.7 5.9 5.9 5.8 5.2 5.9 MARDIGRAS (ZPS-2NV) 4.0 3.8 5.5 5.9 6.0 5.9 5.6 5.4 5.9 5.8 5.7 5.1 5.9 VIVID 3.8 3.5 5.5 5.9 5.9 5.8 5.7 5.4 5.9 5.8 5.9 5.4 5.9 R2 (ISI-R2) 4.0 3.7 5.0 5.4 5.8 5.9 5.9 5.6 5.8 5.7 5.6 5.2 5.9 MB 45 4.7 4.2 5.7 6.1 6.4 5.8 5.4 5.4 5.8 6.0 5.3 4.8 5.8 OMEGA3 (ZPS-2DR-94) 4.2 4.0 5.7 5.9 6.0 5.8 5.7 5.4 5.8 5.7 5.7 5.3 5.8 WIZARD (MB 41) 3.8 3.7 5.6 6.1 6.1 5.9 5.6 5.5 5.6 5.8 5.6 5.1 5.8 ROADRUNNER (PST-2ET) 4.3 3.5 5.4 6.0 5.9 5.5 5.4 5.5 5.6 5.9 5.9 5.1 5.8 MVF-4-1 4.2 3.8 5.8 5.8 5.9 5.7 5.7 5.6 5.7 5.9 5.8 5.3 5.8 SATURN II (ZPS-2ST) 4.0 3.8 5.5 6.0 5.9 5.7 5.6 5.5 6.0 5.7 6.0 5.6 5.8 DIVINE 3.3 3.0 5.5 6.0 6.2 5.8 5.5 5.5 5.7 5.7 5.3 4.9 5.8 WX3-93 3.8 3.2 5.3 5.8 6.1 6.0 5.6 5.4 5.8 5.7 5.5 4.5 5.8 BLAZER III (PICK 928) 3.8 3.7 5.7 5.8 6.0 5.8 5.5 5.4 5.8 5.7 5.6 5.1 5.8 CHAPARRAL (PST-2DLM) 4.3 4.2 5.7 6.1 6.2 5.9 5.3 5.4 5.7 5.8 5.6 4.9 5.8 WIND STAR (PST-28M) 4.2 3.8 5.3 5.6 6.0 5.9 5.8 5.4 5.7 5.6 5.6 5.3 5.8 OMNI 3.8 3.7 5.3 5.8 6.0 5.8 5.6 5.4 5.6 5.5 5.5 4.8 5.8 PS-D-9 4.0 3.7 5.7 5.7 5.7 5.8 5.7 5.5 5.7 5.6 5.5 5.1 5.8 IMAGINE 4.3 4.0 5.4 5.9 6.3 5.9 5.3 5.2 5.5 5.7 5.4 5.1 5.8 WIND DANCE (MB 46) 3.7 3.7 5.6 6.1 6.2 5.7 5.4 5.2 5.6 5.7 5.5 4.2 5.8 ASP400 (APR 106) 4.7 4.2 5.5 5.7 5.9 5.8 5.6 5.5 5.7 5.5 5.6 5.2 5.8 ACADEMY (PC-93-1) 4.3 4.0 5.4 5.6 5.8 5.8 5.6 5.4 5.8 5.7 5.6 5.2 5.8 KOOS 93-6 4.0 3.7 5.3 5.7 5.7 5.8 5.7 5.4 5.7 5.7 5.5 5.0 5.7 SPELL BOUND (WVPB-93-KFK) 4.3 3.5 5.7 6.0 5.8 5.8 5.5 5.3 5.6 5.7 5.5 5.6 5.7 NOBILITY 4.2 3.8 5.5 5.7 5.7 5.7 5.7 5.5 5.7 5.6 5.5 5.2 5.7 MORNING STAR 4.2 3.7 5.7 5.8 5.8 5.9 5.6 5.3 5.6 5.6 5.5 5.3 5.7 PRECISION 4.8 4.3 5.4 5.7 5.7 5.8 5.6 5.4 5.6 5.7 5.7 4.9 5.7 BUCCANEER II (WVPB 92-4) 4.0 3.7 5.5 5.5 5.7 5.6 5.8 5.4 5.7 5.7 5.3 5.1 5.7 CITATION III (PST-2DGR) 3.8 3.7 5.3 5.8 5.9 5.6 5.3 5.3 5.7 5.8 5.6 5.0 5.7 PROTOCOL (KOOS 93-3) 4.7 3.8 5.4 5.8 5.8 5.6 5.6 5.4 5.6 5.5 5.5 4.8 5.7 APR 124 4.5 4.0 5.4 5.8 5.8 5.7 5.4 5.4 5.5 5.4 5.7 5.3 5.7 ELF 4.2 3.7 5.8 6.0 5.8 5.6 5.3 5.1 5.6 5.5 5.6 4.9 5.7 STALLION SELECT 4.0 3.5 5.6 5.8 5.8 5.5 5.5 5.3 5.6 5.6 5.6 5.7 5.7 QUICKSTART 3.5 3.5 5.6 5.6 5.8 5.7 5.6 5.3 5.5 5.6 5.3 4.8 5.7 ADVANTAGE 3.8 3.5 5.3 5.7 5.9 5.5 5.3 5.2 5.7 5.6 5.6 4.9 5.7 CAS-LP23 4.2 3.7 5.6 5.7 5.9 5.7 5.3 5.0 5.5 5.6 5.5 4.8 5.6 NIGHT HAWK 4.3 3.8 5.8 5.9 5.9 5.7 5.3 5.0 5.5 5.6 5.5 4.9 5.6 EXPRESS 4.3 4.0 5.7 5.8 5.6 5.7 5.3 5.4 5.5 5.4 5.5 5.3 5.6 SR 4010 (SRX 4010) 3.8 3.3 5.6 5.8 5.7 5.5 5.5 5.4 5.6 5.4 5.5 5.2 5.6 WILLIAMSBURG 4.0 3.7 5.4 5.6 5.6 5.7 5.3 5.3 5.4 5.5 5.5 5.7 5.6 WX3-91 3.8 4.0 5.5 5.7 5.7 5.5 5.4 5.2 5.5 5.5 5.5 4.9 5.6 LEGACY II (LESCO-TWF) 3.8 3.3 5.4 5.7 5.8 5.4 5.2 5.2 5.5 5.5 5.5 4.8 5.6 NAVAJO 3.8 3.7 5.3 5.7 5.8 5.6 5.3 5.1 5.4 5.4 5.3 4.9 5.6 EXCEL (MB 1-5) 4.2 3.8 5.6 6.1 6.0 5.6 5.1 5.0 5.4 5.4 5.2 4.4 5.6 WVPB-PR-C-2 4.0 3.7 5.7 5.5 5.7 5.7 5.4 5.2 5.3 5.4 5.5 5.2 5.5 SATURN 4.2 4.2 5.8 5.6 5.6 5.5 5.5 5.1 5.3 5.3 5.3 5.3 5.5 PST-2CB 4.0 3.8 5.9 5.8 5.7 5.4 5.3 5.0 5.4 5.5 5.2 4.8 5.5 APR 131 4.0 3.5 5.4 5.4 5.6 5.6 5.3 5.1 5.4 5.4 5.4 4.9 5.5 DANCER 4.2 3.7 5.1 5.4 5.7 5.5 5.2 5.1 5.4 5.4 5.3 4.8 5.5 BAR ER 5813 3.8 3.3 5.3 5.8 5.7 5.4 5.1 5.0 5.4 5.3 4.9 4.8 5.4 STARDANCE (PST-2FE) 3.5 3.0 5.2 5.5 5.5 5.3 5.1 5.0 5.2 5.4 5.2 4.2 5.4 NINE-O-ONE 4.5 3.8 5.7 5.5 5.2 5.3 5.4 5.1 5.1 5.1 5.1 4.9 5.4 PEGASUS 4.3 3.5 5.7 5.5 5.6 5.5 5.2 4.9 5.1 5.1 5.2 5.3 5.3 APR 066 4.0 3.2 5.1 5.3 5.4 5.4 5.1 4.9 5.2 5.3 5.1 4.8 5.3 DLP 1305 3.8 3.5 5.3 5.1 5.4 5.5 4.7 4.5 4.6 4.4 4.2 4.5 5.0 DSV NA 9402 4.7 4.3 5.2 4.6 5.1 5.2 4.7 4.5 4.8 4.9 4.7 4.4 4.9 FIGARO 4.5 4.2 5.7 4.5 5.0 5.1 4.7 4.4 4.7 4.7 4.8 5.1 4.9 DSV NA 9401 4.3 4.0 5.1 4.6 5.2 5.0 4.6 4.4 4.8 4.7 4.5 4.3 4.9 PENNFINE 3.7 3.3 5.2 4.5 4.4 4.7 4.5 4.3 4.4 4.2 4.0 4.1 4.6 LINN 2.8 2.3 3.7 2.9 3.0 3.3 3.1 3.1 3.1 3.1 3.0 3.5 3.3 LSD VALUE 0.7 0.9 1.5 0.5 0.4 0.5 0.5 0.5 0.5 0.5 0.7 1.3 0.4 CV (%) 15.3 21.3 33.7 23.6 23.7 26.2 28.8 32.6 30.1 28.5 27.4 31.5 21.3 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.