TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS FOR EACH MONTH GROWN AT TWENTY-THREE LOCATIONS IN THE U.S. AND CANADA 1992 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF: MONTHS 1/ NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN AFFINITY (GEN-90) 6.3 6.7 6.8 6.4 6.3 6.4 6.0 6.0 6.5 6.6 6.4 7.1 6.3 ASSURE 5.7 6.7 7.1 6.6 6.1 6.3 5.9 5.9 6.3 6.4 6.0 6.6 6.3 NIGHTHAWK (WVPB-89PRA3) 5.5 5.7 7.0 6.9 6.3 6.4 5.9 5.9 6.2 6.2 6.0 6.6 6.3 STALLION SELECT (PS-105) 4.7 6.0 7.4 6.6 6.2 6.3 5.9 5.8 6.4 6.7 6.0 6.7 6.3 PALMER II (P89) 5.5 6.0 6.9 6.7 6.1 6.3 5.8 6.0 6.3 6.5 6.3 7.1 6.3 CUTTER (PICK 89-4) 5.3 6.3 6.9 6.8 5.9 6.3 6.0 6.0 6.4 6.6 6.3 6.6 6.2 PST-2ROR 5.0 6.7 6.5 6.2 6.0 6.3 6.3 6.1 6.5 6.5 5.8 6.8 6.2 PRIZM (ZPS-28D) 5.7 6.3 6.4 6.6 6.1 6.4 5.9 5.9 6.5 6.4 6.4 7.3 6.2 PRELUDE II (2P2-90) 5.8 6.3 6.7 6.8 6.2 6.2 5.9 6.0 6.2 6.3 5.8 6.6 6.2 PST-28M 5.8 6.3 6.3 6.6 5.9 6.3 5.9 5.9 6.3 6.6 6.0 7.1 6.2 PST-290 5.5 6.3 6.9 6.4 6.1 6.3 6.1 6.0 6.1 6.3 6.2 7.0 6.2 PST-2FF 5.8 6.7 6.7 6.7 6.0 6.3 6.0 5.8 6.1 6.4 6.0 6.9 6.2 REPELL II (LDRD) 5.5 6.7 6.6 6.7 6.1 6.2 5.9 5.8 6.1 6.5 6.0 6.9 6.2 ADVENT 6.0 6.3 6.5 6.4 5.8 6.1 6.0 5.9 6.4 6.4 6.3 7.1 6.2 YORKTOWN III (LDRF) 5.5 6.7 7.1 6.3 5.9 6.4 5.8 5.8 6.3 6.4 6.2 6.4 6.2 BRIGHTSTAR (PST-GH-89) 5.3 6.3 6.5 6.6 6.5 6.3 5.7 5.6 6.2 6.5 5.6 6.4 6.2 PICK DKM 5.3 6.7 7.1 6.8 6.0 6.2 5.9 5.7 6.3 6.3 5.9 6.7 6.2 SR 4200 5.3 6.0 6.7 6.5 6.0 6.3 6.1 5.7 6.2 6.3 5.9 6.6 6.1 LEGACY 5.3 6.7 7.2 6.3 6.0 6.3 5.8 5.8 6.2 6.3 6.1 6.8 6.1 APM 5.3 6.3 6.7 6.4 6.0 6.2 5.8 5.8 6.2 6.2 6.2 6.8 6.1 SEVILLE 5.3 6.3 6.5 6.0 5.8 6.3 5.9 5.7 6.3 6.4 6.2 6.7 6.1 MOM LP 3147 6.2 6.0 6.7 6.2 5.6 6.1 5.9 5.9 6.5 6.5 6.0 7.1 6.1 ENVY 5.8 6.3 6.2 6.2 5.8 6.1 5.7 6.0 6.5 6.3 5.5 6.0 6.1 GETTYSBURG 5.0 6.0 6.1 6.3 5.8 6.0 5.8 6.0 6.3 6.3 6.0 6.4 6.1 PINNACLE 5.7 6.0 6.6 6.4 5.8 6.2 6.1 5.7 6.1 6.1 6.0 7.1 6.1 DELAWARE DWARF (4DD) 5.2 6.0 6.5 6.4 5.8 6.1 6.0 5.7 6.3 6.4 6.3 6.8 6.1 89-666 5.7 5.7 6.7 6.3 5.8 6.0 5.9 5.6 6.4 6.3 5.4 6.9 6.1 PICK EEC 5.0 6.7 7.0 6.6 5.9 6.0 5.9 5.6 6.2 6.2 5.8 6.3 6.1 DANDY 5.0 6.7 7.0 6.1 5.9 6.2 6.0 5.7 6.2 6.3 5.8 6.8 6.1 PST-2B3 5.7 6.3 6.5 6.1 5.6 6.0 5.8 6.0 6.3 6.4 6.0 6.6 6.0 MORNING STAR (SYN-P) 5.2 6.3 6.9 6.3 6.0 6.0 5.8 5.9 6.1 6.1 6.3 7.0 6.0 ZPS-2EZ 5.5 6.0 6.5 6.0 5.9 6.1 5.8 5.9 6.2 6.2 5.6 5.7 6.0 PICK 9100 5.3 6.3 6.9 6.4 6.0 6.0 5.7 5.5 6.2 6.3 5.8 7.1 6.0 PST-23C 5.8 6.7 6.5 6.2 5.7 6.0 6.0 5.7 6.0 6.1 5.8 6.9 6.0 ACHIEVER (PICK 1800) 5.2 6.0 6.1 6.2 5.7 6.0 5.8 5.7 6.1 6.2 5.8 6.1 6.0 QUICKSTART (PST-2FQR) 6.0 6.7 6.5 6.5 5.7 5.9 5.8 5.7 6.0 6.0 5.9 6.9 6.0 NAVAJO (PST-2DPR) 5.2 6.0 7.2 6.4 6.1 6.0 5.6 5.4 6.1 6.2 6.3 6.6 6.0 SHERWOOD 5.2 6.3 6.5 6.0 5.6 6.0 5.7 5.5 6.0 6.0 6.1 6.3 6.0 LOWGROW (PICK 89LLG) 5.0 6.0 6.2 6.3 6.0 6.2 5.5 5.6 6.0 6.1 5.3 5.6 6.0 EQUAL 4.7 5.7 6.7 6.0 5.9 6.0 5.8 5.6 6.0 6.1 6.0 6.8 5.9 MVF 89-90 5.3 5.7 6.7 6.0 5.8 6.0 5.7 5.4 6.3 6.1 5.5 6.4 5.9 PR 8820 5.7 6.7 6.8 6.1 5.7 5.9 5.6 5.7 6.4 6.1 6.0 6.0 5.9 PATRIOT II 5.3 6.0 6.8 6.4 5.7 5.9 5.6 5.4 6.1 6.1 5.6 5.8 5.9 BUCCANEER (KOOS 90-1) 5.2 6.0 6.1 6.3 5.7 6.1 5.7 5.4 6.0 6.1 5.6 6.8 5.9 PLEASURE 5.0 5.7 6.5 5.9 5.5 6.0 5.7 5.5 6.0 6.1 5.4 6.2 5.9 TABLE 2. (continued) MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS FOR EACH MONTH GROWN AT TWENTY-THREE LOCATIONS IN THE U.S. AND CANADA 1992 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF: MONTHS NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN DIMENSION (2H7) 5.3 6.0 6.3 6.3 5.7 5.9 5.6 5.4 6.1 6.0 6.0 6.8 5.9 PST-2OG 5.0 6.0 6.2 6.3 5.6 6.0 5.6 5.4 6.3 6.2 5.6 6.0 5.9 EXPRESS 5.2 6.3 6.7 6.2 5.6 5.9 5.7 5.5 5.9 6.0 5.3 6.7 5.9 WVPB 89-92 5.3 6.0 6.0 5.8 5.6 6.0 5.9 5.5 6.4 6.2 5.4 6.0 5.9 TARGET 5.3 5.7 6.1 5.8 5.6 6.0 5.6 5.7 6.1 6.2 5.5 6.3 5.9 COMPETITOR 5.0 6.0 6.7 6.2 5.5 5.8 5.7 5.5 6.2 6.2 6.0 5.2 5.9 GATOR 5.0 6.0 6.3 5.8 5.5 5.9 5.7 5.6 6.1 6.2 5.7 5.9 5.9 CHARGER 5.3 7.0 6.9 6.0 5.6 5.9 5.6 5.5 6.0 6.0 5.5 6.3 5.8 SATURN 5.2 6.0 6.7 5.9 5.5 5.8 5.6 5.4 5.9 6.1 5.7 6.0 5.8 OFI-F7 5.3 6.0 6.8 6.1 5.7 6.0 5.6 5.5 5.8 5.8 5.5 6.3 5.8 PEBBLE BEACH 5.0 5.7 6.5 6.2 5.5 5.8 5.6 5.4 6.0 6.0 5.3 5.6 5.8 NOMAD 5.8 6.0 6.3 5.9 5.7 6.0 5.4 5.4 6.1 5.9 5.4 6.4 5.8 MANHATTAN II (E) 5.3 6.0 6.4 5.8 5.5 6.0 5.7 5.6 5.9 5.9 5.3 6.2 5.8 KOOS 90-2 5.7 5.7 6.5 5.9 5.6 5.7 5.6 5.3 6.0 6.1 5.9 6.7 5.8 PR 9121 5.5 6.0 6.5 6.0 5.6 5.9 5.5 5.3 5.9 5.8 6.0 6.7 5.8 HE 311 5.2 6.3 6.0 5.8 5.4 6.0 5.8 5.4 6.2 6.1 5.1 5.8 5.8 FIESTA II 5.5 5.7 6.1 5.7 5.5 5.8 5.6 5.5 6.0 6.1 5.8 6.2 5.8 PR 9119 5.0 6.0 6.5 5.8 5.6 5.8 5.7 5.5 6.1 6.0 5.8 6.6 5.8 COWBOY II (WM-II) 5.0 6.0 6.3 5.5 5.3 5.9 5.9 5.6 6.0 5.8 5.0 5.6 5.8 WVPB-89-87A 5.3 6.0 6.6 6.0 5.5 5.9 5.6 5.4 5.8 5.8 5.5 6.8 5.8 ELITE (WVPB-88PRC23) 5.7 6.0 6.3 5.8 5.8 6.0 5.4 5.2 6.3 5.9 5.5 5.9 5.8 REPELL 5.3 5.7 6.2 5.7 5.4 6.0 5.5 5.4 6.1 5.8 5.1 6.1 5.8 EVENING SHADE (POLY-SH) 5.2 6.3 6.9 6.4 5.6 5.7 5.5 5.2 5.6 5.9 5.5 5.2 5.7 COMMANDER 5.0 6.3 6.9 6.1 5.4 5.7 5.4 5.2 5.8 6.0 5.5 6.9 5.7 STATESMAN (WVPB-88PRD12) 5.7 6.0 6.5 5.9 5.4 5.8 5.6 5.3 5.6 5.6 5.7 6.6 5.7 PENNANT 4.7 6.0 5.9 5.4 5.5 5.9 5.5 5.4 5.6 5.7 5.5 5.9 5.7 RODEO II 5.7 6.0 6.3 5.6 5.4 5.7 5.3 5.2 5.9 5.8 5.5 6.1 5.7 RIVIERA 5.0 6.0 6.0 5.5 5.4 5.8 5.4 5.3 5.8 5.8 5.7 6.4 5.7 TOPEKA (WVPB-88PRD10) 5.5 5.7 6.5 5.7 5.4 5.6 5.5 5.2 5.8 5.6 5.4 6.7 5.7 DERBY SUPREME 5.7 6.0 6.6 5.6 5.2 5.8 5.4 5.1 5.8 5.7 5.7 5.9 5.7 EEG 358 5.2 6.0 5.7 5.4 5.6 5.9 5.5 5.5 6.0 5.7 5.2 4.8 5.7 CUTLESS 5.3 6.0 6.3 5.6 5.4 5.7 5.4 5.4 5.9 5.8 5.7 5.8 5.7 PR 9118 5.2 6.0 6.4 5.9 5.6 5.7 5.4 5.2 5.8 5.6 5.4 6.6 5.7 CALYPSO 4.8 6.0 5.8 5.5 5.4 5.7 5.5 5.2 5.9 5.8 5.1 6.0 5.7 N-33 5.5 6.0 6.5 6.0 5.3 5.6 5.3 5.2 5.9 5.8 5.1 6.1 5.6 BAR LP 086FL 5.2 5.3 6.2 5.4 5.5 5.9 5.4 5.1 6.1 5.8 5.3 5.1 5.6 ACCOLADE 5.2 6.0 6.6 5.7 5.3 5.5 5.4 5.4 5.7 5.8 5.4 5.6 5.6 LINDSAY 5.5 6.0 5.9 5.8 5.4 5.6 5.5 5.1 5.9 5.8 5.5 6.1 5.6 UNKNOWN 5.3 6.0 6.6 5.3 5.0 5.5 5.6 5.4 5.8 5.8 5.2 6.2 5.6 PREMIER 5.3 5.7 6.3 5.4 5.2 5.8 5.5 5.1 5.6 5.5 5.1 6.1 5.6 CITATION II 5.3 6.0 6.3 5.6 5.0 5.7 5.6 5.0 5.8 5.3 5.2 6.2 5.6 PR 9108 5.2 5.7 6.4 5.5 5.3 5.6 5.4 5.3 5.7 5.8 5.3 5.7 5.5 REGAL 5.3 5.7 6.0 5.8 5.2 5.6 5.5 5.1 5.6 5.5 4.7 4.9 5.5 MVF 89-88 5.3 6.0 6.3 5.6 5.4 5.5 5.4 5.1 5.6 5.6 5.1 5.7 5.5 STALLION 5.2 5.7 6.3 5.2 5.1 5.6 5.5 5.3 5.5 5.6 5.4 5.8 5.5 TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS FOR EACH (cont'd) MONTH GROWN AT TWENTY-THREE LOCATIONS IN THE U.S. AND CANADA 1992 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF: MONTHS NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN BARRAGE 5.3 5.7 6.0 5.5 5.3 5.7 5.4 5.1 5.7 5.0 4.7 5.1 5.5 CALIENTE 4.3 5.3 6.1 5.2 5.0 5.5 5.4 5.2 5.8 5.5 5.0 5.1 5.5 CLP 39 5.3 5.7 5.7 5.3 5.5 5.6 5.2 5.1 5.7 5.6 4.8 5.0 5.5 MOM LP 3184 5.2 6.0 6.4 5.5 5.1 5.5 5.4 5.2 5.9 5.5 5.0 5.2 5.5 C-21 5.0 5.7 6.1 5.5 5.4 5.5 5.2 5.0 6.0 5.7 5.3 6.1 5.5 BARRAGE ++ 5.2 5.7 6.1 5.6 5.3 5.6 5.3 5.1 5.6 5.3 4.8 5.1 5.5 PR 9109 4.8 5.7 6.0 5.6 5.3 5.5 5.2 5.0 5.5 5.6 5.2 6.2 5.5 ZW 42-176 4.7 5.7 6.1 5.4 5.4 5.7 5.1 4.7 5.7 5.8 5.5 6.0 5.4 TAYA 5.0 5.3 6.1 5.7 5.6 5.6 5.2 4.9 5.6 5.2 4.5 5.0 5.4 ALLEGRO 5.3 5.3 6.0 5.4 5.1 5.8 5.3 4.9 5.7 5.5 5.1 5.6 5.4 OFI-D4 5.3 6.0 6.1 5.4 5.4 5.5 5.2 4.9 5.4 5.3 5.1 6.2 5.4 MULLIGAN (NK 89001) 4.8 6.0 5.5 5.1 4.9 5.6 5.4 5.2 5.5 5.5 5.3 5.6 5.4 BAR LP 852 4.8 6.3 5.9 5.3 4.9 5.4 5.3 4.8 5.6 5.6 5.4 5.3 5.4 DANILO 4.8 5.0 5.5 4.9 4.9 5.5 5.2 4.9 5.8 5.6 4.7 5.0 5.3 DUET 4.7 5.7 5.7 5.3 4.9 5.5 5.2 4.9 5.7 5.4 5.0 4.8 5.3 856 4.8 5.3 6.2 5.1 4.9 5.5 5.3 4.8 5.5 5.4 4.5 5.6 5.3 LORETTA 5.2 5.0 5.4 5.3 5.4 5.4 5.2 5.1 5.5 5.0 4.5 4.8 5.3 CLP 144 4.8 5.3 6.0 5.1 5.1 5.5 5.1 4.7 5.7 5.4 4.9 5.1 5.3 DANARO 5.2 5.3 5.5 4.6 4.7 5.5 5.2 4.8 5.6 5.4 5.0 4.3 5.2 MOM LP 3182 4.7 5.0 5.5 5.0 4.9 5.2 5.2 4.8 5.5 5.3 4.7 5.0 5.2 MOM LP 3185 5.3 5.0 5.9 4.9 4.9 5.5 5.3 5.0 5.4 5.0 4.7 4.9 5.2 ENTRAR 4.5 5.0 5.5 5.1 5.0 5.4 5.0 4.6 5.6 5.4 4.5 5.2 5.2 OVATION 5.0 5.0 5.6 4.9 4.9 5.3 5.2 4.8 5.4 5.2 4.7 4.7 5.2 TORONTO 4.7 5.0 4.9 4.7 4.8 5.3 5.1 4.7 5.4 5.2 4.6 4.7 5.1 SURPRISE 5.0 5.0 5.4 5.0 5.0 5.1 4.9 4.5 5.4 5.2 4.8 5.7 5.1 MOM LP 3111 4.8 5.3 5.7 4.6 4.4 5.1 4.9 4.8 5.4 5.1 4.5 4.9 5.0 PENNFINE 4.7 5.0 5.6 4.5 4.2 5.2 5.1 4.6 5.0 4.9 4.7 5.3 5.0 MOM LP 3179 4.2 5.0 5.5 4.7 4.7 5.2 5.0 4.5 5.0 4.9 4.4 4.0 5.0 TROUBADOUR 5.2 5.0 5.3 4.7 4.9 5.1 4.9 4.3 5.3 5.2 4.3 4.6 5.0 GOALIE 4.7 5.0 5.5 4.8 4.7 5.0 4.7 4.4 4.9 4.7 4.1 4.7 4.9 METEOR 5.5 5.3 5.1 4.8 4.6 5.3 4.8 4.3 4.9 4.9 4.3 5.1 4.9 CARTEL 5.3 6.0 5.3 4.8 4.7 5.0 4.6 4.3 5.2 4.9 4.3 4.6 4.8 LINN 4.0 4.0 4.0 2.5 3.1 3.6 3.5 3.2 3.5 3.2 3.0 3.1 3.5 LSD VALUE 0.9 0.7 0.9 0.6 0.6 0.5 0.5 0.6 0.5 0.5 0.7 1.1 0.4 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).