TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS FOR EACH MONTH GROWN AT TWENTY-ONE LOCATIONS IN THE U.S. AND CANADA 1991 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) 6.0 6.8 6.2 6.8 6.4 6.3 6.4 6.1 6.1 6.4 6.0 6.2 6.5 BRIGHTSTAR (PST-GH-89) 5.7 5.3 6.1 7.0 6.9 6.5 6.4 6.2 6.3 6.2 5.9 4.3 6.5 ZPS-28D 5.3 5.3 5.8 6.9 6.3 6.1 6.3 6.2 6.2 6.3 5.9 5.3 6.4 PICK 89-4 6.0 5.5 5.9 6.8 5.9 5.7 6.2 6.2 6.3 6.5 5.9 5.3 6.4 PRELUDE II (2P2-90) 7.0 5.8 6.0 6.8 6.2 6.1 6.5 6.0 6.1 6.2 5.7 5.5 6.4 APM 7.0 6.3 6.1 6.7 6.1 6.0 6.5 6.1 6.1 6.1 5.5 5.5 6.4 ASSURE 6.3 6.5 6.2 6.8 6.1 5.9 6.4 5.9 6.0 6.2 5.6 4.7 6.4 PICK DKM 6.7 6.0 6.1 6.7 6.2 6.3 6.2 6.2 6.1 6.4 5.9 5.0 6.4 YORKTOWN III (LDRF) 7.0 5.7 5.9 6.5 6.1 6.0 6.3 5.9 6.0 6.6 5.6 6.0 6.3 EAGLE (WVPB-89PRA3) 5.3 6.2 5.5 6.8 6.2 5.9 6.2 5.8 6.1 6.3 5.8 5.0 6.3 PS-105 6.7 6.3 6.0 6.6 5.9 6.0 6.3 6.1 6.2 6.5 5.7 4.8 6.3 PINNACLE 7.0 6.5 5.5 6.5 5.9 5.9 6.2 5.9 6.1 6.2 5.6 4.7 6.3 ADVENT 6.7 5.7 5.9 6.2 6.0 6.0 6.4 5.9 6.0 6.2 5.2 5.5 6.3 4DD-DELAWARE DWARF 5.3 5.8 6.1 6.3 5.7 6.1 6.3 5.8 5.9 6.0 5.5 5.7 6.3 REPELL II (LDRD) 7.0 5.8 6.0 6.8 6.2 5.8 6.2 6.1 6.0 6.3 5.6 5.0 6.3 PST-28M 6.7 5.8 5.8 6.7 5.9 6.0 6.2 6.0 6.0 6.3 5.5 5.0 6.3 QUICKSTART (PST-2FQR) 6.3 6.2 6.0 6.6 5.9 5.8 6.2 6.1 6.1 6.3 5.6 4.5 6.3 89-666 6.3 5.8 6.1 6.4 5.5 5.7 6.3 6.1 6.1 6.3 5.5 4.7 6.3 PST-290 5.7 5.5 6.1 6.5 5.9 5.9 6.2 6.0 6.1 6.3 5.6 4.8 6.2 PALMER II (P89) 7.3 4.7 5.9 6.8 6.3 5.9 6.4 5.9 6.0 6.1 5.8 5.0 6.2 SR 4200 5.3 6.2 5.9 6.6 6.1 5.9 6.1 6.0 6.0 6.2 5.5 5.5 6.2 PICK 9100 6.7 5.2 5.7 6.8 6.2 5.8 6.2 6.0 5.9 6.2 5.7 4.7 6.2 LEGACY 7.0 5.7 6.1 6.9 6.1 5.8 6.0 5.6 6.0 6.1 5.5 5.3 6.2 SYN-P 7.3 6.2 6.4 6.4 5.8 5.9 6.3 6.0 6.0 6.0 5.5 4.3 6.2 PST-2FF 7.0 6.0 5.8 6.9 5.9 5.9 6.1 6.2 6.0 6.1 5.6 5.2 6.2 SEVILLE 6.7 6.5 6.1 6.3 5.8 5.7 6.2 5.7 5.8 6.1 5.4 4.7 6.2 PICK 1800 6.3 5.2 6.1 6.5 5.5 5.8 6.3 6.0 5.9 6.0 5.4 4.5 6.2 DANDY 6.7 6.0 6.1 6.0 5.5 5.9 6.3 5.6 6.1 6.0 5.4 5.2 6.1 PICK 89LLG 5.3 5.5 5.3 6.4 6.5 6.1 5.9 5.4 5.8 6.1 5.4 5.3 6.1 NAVAJO (PST-2DPR) 6.0 5.8 5.5 6.9 6.1 5.6 5.8 5.4 5.7 6.0 5.8 5.5 6.1 PICK EEC 7.0 5.0 5.9 6.3 6.0 5.7 6.1 6.0 6.3 6.2 5.6 5.2 6.1 MOM LP 3147 6.3 5.8 6.0 6.0 5.5 5.6 6.0 5.7 6.1 6.4 5.6 5.5 6.1 PST-2B3 6.3 6.0 6.1 6.4 5.5 5.7 6.0 5.6 6.0 6.2 5.7 5.0 6.1 EQUAL 6.7 6.0 5.7 6.1 5.6 5.7 6.1 5.6 5.8 6.0 5.4 5.3 6.0 ENVY 6.7 6.2 5.6 6.3 5.8 5.7 5.9 5.5 5.6 6.0 5.5 5.2 6.0 DIMENSION (2H7) 5.3 6.2 6.0 6.4 5.8 5.4 5.8 5.7 6.0 6.2 5.6 4.7 6.0 GETTYSBURG 7.3 5.8 5.7 6.3 5.9 5.9 6.1 5.6 6.0 6.2 5.8 4.7 6.0 SHERWOOD 5.7 6.0 5.0 6.0 5.4 5.7 5.9 5.5 5.7 5.8 5.4 5.5 6.0 KOOS 90-1 6.0 5.3 5.7 6.4 5.7 5.7 6.0 5.7 5.7 5.9 5.2 3.7 6.0 PR 9121 6.7 5.0 5.6 6.5 5.8 5.7 5.7 5.4 5.7 5.9 5.5 6.0 6.0 NOMAD 6.7 5.5 5.3 6.3 6.1 5.9 5.7 5.2 5.6 5.9 5.4 5.3 6.0 PST-23C 7.0 6.0 6.1 6.1 5.7 5.8 6.2 5.7 5.9 5.7 5.2 5.3 6.0 ESSENCE (PR 8820) 5.0 5.3 4.9 6.5 6.2 6.1 5.8 5.2 5.5 5.6 5.1 6.3 6.0 WVPB-89-87A 6.7 5.8 5.7 6.3 5.6 5.4 5.9 5.4 5.8 5.9 5.2 4.7 6.0 SATURN 7.0 6.2 5.8 6.3 5.5 5.4 6.0 5.3 5.6 5.7 5.2 5.5 6.0 TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS FOR EACH (CONTINUED) MONTH GROWN AT TWENTY-ONE LOCATIONS IN THE U.S. AND CANADA 1991 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF: MONTHS NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN OFI-F7 5.3 6.3 5.5 6.2 5.6 5.5 5.9 5.8 5.8 5.8 5.4 4.7 5.9 PLEASURE 6.3 5.7 5.7 6.1 5.2 5.6 5.9 5.5 5.7 5.8 5.0 4.5 5.9 PST-2ROR 6.0 5.2 4.7 6.4 5.8 5.7 6.0 5.7 5.7 6.3 5.5 5.2 5.9 CHARGER 5.7 5.8 6.2 6.4 5.5 5.5 5.8 5.4 5.9 5.9 5.3 5.2 5.9 PST-2OG 5.7 6.0 4.9 5.7 5.7 5.8 6.1 5.6 6.0 6.0 5.3 5.0 5.9 HE 311 4.7 4.3 4.7 6.0 5.9 6.0 6.1 5.5 5.4 5.7 5.0 5.0 5.9 COMPETITOR 5.0 6.0 5.2 6.1 5.6 5.3 5.8 5.2 5.6 5.9 5.4 5.3 5.9 PATRIOT II 6.0 6.2 6.2 6.3 6.1 5.5 5.6 5.2 5.5 6.2 5.3 5.5 5.9 KOOS 90-2 7.0 5.5 5.7 6.0 5.3 5.5 5.7 5.4 5.6 6.0 5.5 5.7 5.9 EXPRESS 6.7 5.3 5.7 6.1 5.5 5.3 6.0 5.3 5.6 5.8 5.1 4.7 5.9 PEBBLE BEACH 4.7 6.2 5.6 6.0 5.5 5.6 5.8 5.4 5.6 5.8 5.3 5.2 5.9 TARGET 6.0 5.5 5.0 5.9 5.6 5.6 6.0 5.7 5.8 5.8 5.2 4.8 5.9 COWBOY II (WM-II) 5.3 5.2 5.6 5.9 5.3 5.5 5.8 5.5 5.8 5.6 4.8 5.0 5.9 REPELL 7.0 5.0 5.3 5.8 5.6 5.7 5.9 5.3 5.5 5.7 4.9 4.8 5.9 POLY-SH 4.0 5.0 5.7 6.7 6.0 5.5 5.6 5.0 5.4 5.8 5.1 5.2 5.9 N-33 6.7 5.7 5.7 6.2 5.4 5.4 5.7 5.5 5.5 5.6 5.0 5.0 5.9 MANHATTAN II (E) 6.0 5.8 5.3 5.9 5.3 5.4 5.7 5.4 5.8 5.9 5.3 4.3 5.9 WVPB 89-92 6.0 5.8 5.6 6.4 5.9 5.8 5.7 5.1 5.3 5.7 5.1 5.0 5.9 PR 9119 5.7 5.2 5.7 6.5 5.7 5.6 5.5 5.2 5.8 5.9 5.3 5.0 5.8 MVF 89-90 5.7 6.3 5.4 6.2 5.5 5.6 5.6 5.3 5.5 5.8 5.1 5.2 5.8 RODEO II 7.0 6.2 6.1 6.2 5.3 5.1 5.6 5.1 5.4 5.8 5.1 4.8 5.8 FIESTA II 5.7 6.0 6.1 5.7 5.3 5.6 5.8 5.3 5.4 5.6 5.2 5.0 5.8 ELITE (WVPB-88PRC23) 5.7 6.5 5.3 6.2 5.8 5.6 5.5 4.9 5.5 5.8 5.3 5.3 5.8 COMMANDER 5.3 5.5 5.7 6.1 5.1 5.2 5.7 5.3 5.4 5.7 4.7 4.5 5.8 ACCOLADE 7.0 5.8 6.3 6.0 5.1 5.4 5.8 5.3 5.4 5.6 4.8 4.8 5.8 CUTLESS 6.7 5.7 5.1 6.0 5.8 5.6 5.5 5.1 5.3 5.8 5.0 4.8 5.8 STATESMAN (WVPB-88PRD12) 5.7 6.2 6.1 6.4 5.4 5.3 5.6 5.1 5.5 5.7 5.3 4.8 5.8 EEG 358 5.0 4.8 4.3 5.8 5.8 5.6 5.6 5.1 5.4 5.8 4.7 5.3 5.8 ZPS-2EZ 6.7 5.5 5.7 5.7 5.4 5.2 5.7 5.5 5.9 6.0 5.5 5.0 5.7 PR 9109 6.0 5.8 5.7 5.9 5.0 5.2 5.8 5.1 5.4 5.5 4.9 5.0 5.7 DERBY SUPREME 5.7 5.3 4.9 5.9 5.1 5.3 5.6 5.2 5.4 5.6 4.9 5.0 5.7 PR 9118 5.7 5.5 5.3 6.3 5.4 5.3 5.5 5.0 5.4 5.8 4.9 5.0 5.7 RIVIERA 6.3 5.2 5.3 5.8 5.2 5.2 5.6 5.1 5.3 5.5 5.0 4.3 5.7 LINDSAY 6.3 6.2 5.5 6.0 5.3 5.3 5.4 5.0 5.4 5.6 4.8 4.7 5.7 TOPEKA (WVPB-88PRD10) 7.0 5.3 5.7 5.9 5.1 5.4 5.6 5.0 5.5 5.7 5.0 5.0 5.7 PENNANT 6.0 6.2 5.7 5.8 4.9 5.4 5.8 5.2 5.4 5.2 5.1 4.2 5.7 GATOR 7.0 5.8 5.3 6.2 5.3 5.4 5.6 5.2 5.4 5.5 4.8 4.8 5.7 ZW 42-176 6.0 4.8 5.3 6.3 5.9 5.7 5.6 4.5 4.9 5.4 4.9 5.3 5.7 MVF 89-88 5.3 5.5 5.2 6.0 5.1 5.2 5.4 5.0 5.3 5.5 4.8 5.0 5.6 UNKNOWN 6.0 5.7 5.4 5.6 5.1 5.2 5.6 5.2 5.5 5.4 5.0 5.2 5.6 CALYPSO 6.3 6.2 5.3 5.6 5.0 5.3 5.5 5.0 5.3 5.4 4.8 4.7 5.6 BARRAGE ++ 6.0 6.3 5.0 5.7 5.3 5.4 5.5 4.8 5.1 5.3 4.4 5.3 5.6 MOM LP 3184 4.7 5.8 4.6 5.5 4.8 5.1 5.5 5.2 5.5 5.8 4.5 5.0 5.6 PREMIER 6.7 5.7 5.3 5.6 4.7 5.2 5.7 5.2 5.4 5.3 4.8 4.2 5.6 CITATION II 6.0 6.5 5.5 6.0 5.0 5.1 5.6 5.1 5.3 5.3 4.6 4.5 5.6 TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS FOR EACH (CONTINUED) MONTH GROWN AT TWENTY-ONE LOCATIONS IN THE U.S. AND CANADA 1991 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF: MONTHS NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN BAR LP 086FL 5.3 6.3 4.7 5.6 5.5 5.5 5.5 4.9 5.2 5.6 4.6 5.0 5.5 BAR LP 852 6.0 4.5 6.2 6.0 4.7 4.9 5.5 4.9 4.9 5.5 4.8 4.3 5.5 REGAL 6.0 4.7 5.5 6.2 5.1 5.4 5.6 5.1 5.1 5.1 4.6 3.5 5.5 PR 9108 6.3 6.2 5.6 5.6 4.8 5.2 5.5 5.1 5.2 5.2 4.7 5.2 5.5 TAYA 5.0 5.2 5.2 6.0 5.7 5.3 5.0 4.5 4.8 5.4 4.5 4.8 5.5 OFI-D4 5.3 6.0 5.3 5.7 4.9 5.0 5.1 4.7 5.1 5.5 5.0 5.2 5.5 CALIENTE 4.3 6.0 4.8 5.5 4.6 5.1 5.5 5.0 5.1 5.4 4.4 3.8 5.5 C-21 6.0 5.3 5.0 5.5 5.2 5.4 5.3 4.9 5.0 5.4 4.8 5.5 5.5 856 6.3 5.5 4.9 5.6 4.9 5.0 5.3 4.9 5.0 5.0 4.2 4.8 5.4 ALLEGRO 6.0 5.5 4.5 5.4 5.6 5.3 5.0 4.6 4.9 5.5 4.6 5.5 5.4 MULLIGAN (NK 89001) 5.7 5.7 4.6 5.0 4.7 5.0 5.4 4.7 5.2 5.3 4.4 4.5 5.4 STALLION 6.3 6.3 5.5 5.5 4.7 5.1 5.5 5.0 5.1 5.1 4.9 5.0 5.4 BARRAGE 5.7 5.0 5.1 5.7 5.4 5.3 5.1 4.6 5.0 5.3 4.3 4.7 5.4 CLP 39 5.7 5.8 4.5 5.8 5.6 5.2 5.0 4.5 5.0 5.2 4.4 5.3 5.3 LORETTA 4.3 4.8 4.4 5.6 5.4 5.3 5.1 4.5 4.8 5.0 4.2 5.0 5.2 DUET 3.0 4.7 4.2 5.1 4.3 4.8 5.1 4.6 5.0 5.5 4.4 4.2 5.2 DANILO 5.7 5.5 4.1 5.1 5.2 5.1 5.2 4.4 4.9 5.2 4.4 4.7 5.2 OVATION 5.7 5.2 4.7 5.3 4.9 4.8 4.9 4.4 4.8 5.0 4.3 5.2 5.2 MOM LP 3182 5.7 4.3 4.1 5.3 4.7 4.9 5.0 4.5 4.8 5.2 4.4 4.0 5.2 CLP 144 7.3 5.8 4.3 5.2 5.6 5.3 5.1 4.4 4.8 5.3 4.1 4.7 5.2 TORONTO 6.0 5.5 4.5 5.3 4.6 4.9 5.1 4.4 4.7 5.0 4.1 4.7 5.2 ENTRAR 7.0 5.3 4.2 5.3 5.1 4.9 4.8 4.3 4.8 5.4 4.3 4.3 5.2 DANARO 4.7 4.2 3.9 5.2 5.0 4.9 4.9 4.5 4.7 5.0 4.0 4.8 5.1 MOM LP 3185 5.7 5.7 4.3 5.0 4.4 4.8 5.1 4.6 4.9 5.1 3.9 4.7 5.1 TROUBADOUR 5.3 5.0 4.3 5.2 5.2 4.8 4.6 4.1 4.5 4.8 4.2 4.8 5.0 MOM LP 3111 6.0 5.0 4.1 5.0 4.6 4.7 4.8 4.3 4.6 5.1 4.1 5.0 5.0 SURPRISE 7.0 4.8 4.8 5.4 4.8 4.7 4.6 4.0 4.5 4.9 4.0 4.3 5.0 MOM LP 3179 4.3 5.3 3.7 4.9 4.5 4.6 5.0 4.2 4.6 5.0 4.0 4.2 4.9 GOALIE 4.3 4.2 4.4 5.5 4.5 4.4 4.9 4.0 4.3 4.5 3.5 3.7 4.8 PENNFINE 5.0 4.3 4.2 4.4 4.3 4.6 5.2 4.2 4.6 4.3 4.2 4.2 4.8 CARTEL 5.0 5.7 4.6 4.9 4.7 4.6 4.4 3.9 4.1 4.6 3.6 4.7 4.7 METEOR 5.3 5.7 3.6 5.2 4.6 4.6 4.4 3.9 4.1 4.5 3.6 5.2 4.7 LINN 3.0 4.0 2.9 3.6 3.0 3.3 3.7 3.1 3.0 3.5 2.5 3.7 3.5 LSD VALUE 1.8 1.4 0.9 0.6 0.5 0.5 0.6 0.6 0.7 0.6 0.8 1.1 0.5 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).