TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF KENTUCKY BLUEGRASS CULTIVARS FOR EACH MONTH GROWN AT TWENTY-EIGHT LOCATIONS IN THE U. S. AND CANADA 1989 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 BLACKSBURG 6.1 5.5 5.2 6.6 6.5 6.8 6.8 6.8 6.5 6.4 6.9 6.3 6.5 P-104 (PRINCETON 104) 5.7 5.8 5.6 6.3 6.3 6.7 6.8 6.6 6.2 6.2 7.1 6.6 6.4 MIDNIGHT 5.3 4.5 4.5 6.6 6.6 7.0 6.7 6.4 6.3 6.5 6.8 5.5 6.3 ECLIPSE 5.2 5.0 5.5 6.5 6.4 6.8 6.6 6.1 6.3 6.1 6.3 5.8 6.3 AMERICA 5.2 5.0 5.3 6.6 6.3 6.4 6.2 6.0 6.3 6.0 6.3 6.0 6.2 ASSET 5.7 5.7 5.7 6.4 6.6 6.4 6.2 5.7 6.2 6.0 6.6 6.3 6.2 ASPEN 5.4 5.2 5.9 6.3 6.4 6.3 6.1 6.0 6.0 6.3 6.4 5.5 6.2 LOFTS 1757 5.6 5.5 5.6 6.5 6.2 6.2 6.3 6.1 6.1 6.1 6.8 6.3 6.1 A-34 5.2 5.0 5.9 6.3 6.2 6.3 6.1 5.8 6.2 6.1 6.2 5.6 6.1 ABLE I 5.0 5.2 4.7 6.1 6.4 6.6 6.2 6.0 6.0 6.0 6.4 5.5 6.1 F-1872 (FREEDOM) 5.7 5.0 5.7 6.3 6.2 6.2 5.8 5.6 5.8 6.4 6.4 5.4 6.1 GLADE 5.0 4.3 4.9 6.1 6.2 6.6 6.2 5.9 5.9 6.0 6.3 5.4 6.1 SOMERSET 4.4 5.2 5.5 5.8 5.8 6.2 6.0 5.9 6.0 5.9 6.1 6.2 6.0 BRISTOL 5.6 5.5 5.4 6.2 5.9 6.2 6.0 6.0 6.1 6.0 6.4 6.3 6.0 BA 72-500 (CHATEAU) 5.0 5.3 5.1 6.3 6.4 6.3 6.0 5.7 5.8 6.1 6.4 5.8 6.0 MYSTIC 3.8 4.3 5.5 5.6 5.7 6.3 6.4 5.8 6.2 5.4 5.6 4.8 6.0 WW AG 496 5.1 5.2 5.1 6.4 6.3 6.3 5.8 5.9 6.1 5.7 5.8 5.0 5.9 TRENTON 5.4 5.2 5.4 6.1 6.0 6.1 5.8 5.6 5.7 6.3 6.4 5.8 5.9 WABASH 4.7 5.3 5.4 5.1 5.2 5.9 6.3 6.2 6.4 6.3 6.0 5.4 5.9 CHALLENGER 5.3 5.5 5.0 6.1 6.1 6.4 6.0 5.8 5.7 5.7 6.1 6.4 5.9 MONOPOLY 5.1 5.2 5.8 6.4 6.1 6.0 5.8 5.6 6.0 5.5 6.1 5.6 5.9 RUGBY 5.1 5.5 5.6 6.0 6.0 6.0 5.8 5.6 5.8 6.1 6.3 5.3 5.9 SYDSPORT 5.2 5.2 4.7 6.4 6.4 6.2 6.0 5.6 5.7 5.7 6.3 5.6 5.9 CHERI 5.2 5.5 4.6 6.3 6.2 6.1 6.0 5.6 5.8 5.8 6.3 6.1 5.9 CLASSIC 5.7 5.5 6.1 6.3 6.0 6.0 5.8 5.6 5.7 5.9 6.4 5.7 5.9 PST-CB1 5.8 5.5 5.7 6.3 5.8 6.2 5.7 5.4 5.8 6.2 6.1 5.9 5.9 HAGA 5.1 4.8 5.8 6.2 6.1 6.2 5.7 5.3 5.8 6.0 6.2 5.5 5.9 BA 73-540 5.8 5.2 4.9 6.2 6.2 6.2 5.9 5.5 5.8 6.0 6.4 5.3 5.8 MERIT 5.1 5.2 4.6 5.8 5.8 6.4 6.0 5.8 6.0 5.5 5.9 5.0 5.8 BA 70-139 (COVENTRY) 5.4 5.3 4.9 6.7 6.3 6.1 5.8 5.5 5.7 5.9 6.1 5.7 5.8 BA 72-492 (ESTATE) 5.3 5.5 5.0 6.4 6.3 6.2 5.8 5.6 5.7 6.0 6.2 5.2 5.8 VICTA 5.1 4.3 4.9 6.1 5.9 6.1 6.2 5.7 5.7 5.6 6.0 5.1 5.8 BAR VB 534 5.1 5.5 4.8 5.7 5.9 6.1 6.0 5.7 5.9 5.5 5.8 5.2 5.8 CYNTHIA 5.6 5.0 5.1 5.7 5.8 6.1 5.9 5.6 5.8 5.6 5.9 5.9 5.8 BA 69-82 5.0 4.8 4.9 6.3 6.1 6.1 5.9 5.6 5.7 6.0 6.1 5.2 5.8 K1-152 4.9 5.2 5.7 6.0 6.0 6.0 5.7 5.4 5.6 6.0 6.2 5.1 5.8 239 (SUFFOLK) 5.0 5.0 6.1 5.9 6.0 6.0 5.6 5.4 5.7 6.1 6.3 5.5 5.8 BA 73-626 (KELLY) 5.1 4.3 5.1 6.1 6.1 6.3 6.1 5.5 5.6 5.4 5.9 5.1 5.8 BARON 5.1 4.8 4.4 6.1 5.8 6.1 5.9 5.9 5.8 5.4 5.8 5.4 5.8 GEORGETOWN 5.0 5.3 5.5 6.1 5.9 6.0 5.8 5.4 5.6 5.9 6.0 5.4 5.8 RAM-1 5.1 5.0 5.2 5.6 5.6 6.2 5.8 5.5 5.4 5.8 6.3 6.0 5.8 PARADE 4.9 4.8 5.6 6.0 5.9 6.0 5.6 5.2 5.8 5.9 6.0 5.0 5.8 NE 80-88 5.7 5.5 5.3 5.6 5.3 5.9 6.0 5.8 6.0 5.9 5.5 5.2 5.7 DAWN 6.5 5.2 5.5 6.3 6.2 6.2 5.6 5.1 5.4 6.0 6.1 5.4 5.7 LIBERTY 6.0 4.7 5.1 5.9 6.0 6.3 5.8 5.4 5.7 5.6 5.9 5.0 5.7 TABLE 2. MEAN TURFGRASS QUALITY RATINGS OF KENTUCKY BLUEGRASS CULTIVARS FOR (continued) EACH MONTH GROWN AT TWENTY-EIGHT LOCATIONS IN THE U. S. AND CANADA 1989 DATA TURFGRASS QUALITY RATINGS 1-9; 9=IDEAL TURF: MONTHS NAME JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC MEAN JULIA 5.4 5.3 5.4 6.1 6.1 6.1 5.8 5.5 5.7 5.9 6.2 5.7 5.7 BA 72-441 (ABBEY) 4.8 5.2 4.9 6.0 6.1 6.2 5.9 5.6 5.7 5.5 5.9 4.8 5.7 HV 97 (COCKTAIL) 5.4 5.3 5.1 5.9 5.8 6.0 5.7 5.3 5.3 5.5 5.9 6.7 5.7 TENDOS 5.7 5.8 5.1 5.9 5.9 6.2 5.7 5.6 5.2 5.6 5.8 6.3 5.7 AQUILA 5.1 4.8 5.5 5.7 5.5 6.0 5.7 5.4 5.6 5.9 6.1 5.8 5.7 BA 70-242 5.1 4.8 5.0 6.1 5.8 6.1 6.0 5.6 5.6 5.5 5.7 5.3 5.7 IKONE 5.0 5.2 5.1 5.8 5.9 6.0 5.8 5.6 5.7 5.8 6.1 5.3 5.7 CONNI 5.5 5.3 4.8 6.0 5.7 5.8 5.7 5.5 5.2 5.6 5.9 6.6 5.6 K3-178 4.8 5.2 5.8 6.2 5.9 5.9 5.6 5.3 5.6 5.7 5.9 5.2 5.6 WW AG 491 4.7 4.2 5.2 5.7 5.9 6.1 5.5 5.2 5.5 5.6 5.6 4.8 5.6 MERION 5.1 5.5 5.0 5.6 5.7 6.3 5.9 5.9 5.7 5.1 5.2 5.3 5.6 WW AG 468 4.2 5.2 4.2 5.7 5.9 5.9 5.8 5.7 5.7 5.1 5.0 4.8 5.6 HARMONY 5.1 5.2 4.4 5.3 5.4 5.9 5.9 5.7 5.6 5.2 5.3 5.4 5.6 WW AG 495 4.8 5.2 5.0 5.9 5.8 6.0 5.6 5.4 5.6 5.5 5.6 4.8 5.6 BAR VB 577 5.0 4.5 5.6 5.9 5.6 6.0 5.6 5.1 5.2 5.5 5.7 5.8 5.6 WELCOME 5.2 5.2 4.7 5.8 5.6 6.0 5.8 5.3 5.4 5.4 5.8 5.3 5.5 GNOME 4.7 4.5 4.3 5.6 5.4 6.0 6.0 5.7 5.5 5.2 5.5 4.6 5.5 NASSAU 5.8 5.8 5.4 6.0 5.5 5.9 5.5 5.3 5.4 5.4 5.4 5.8 5.5 HUNTSVILLE 5.7 5.0 5.0 4.8 5.2 5.8 5.8 5.8 5.8 5.6 5.5 4.3 5.5 AMAZON 4.0 4.3 4.8 5.6 5.6 6.1 5.7 5.3 4.9 5.5 5.5 4.9 5.5 DESTINY 6.0 5.3 4.9 5.6 5.5 5.7 5.5 5.4 5.1 5.3 5.4 5.7 5.4 COMPACT 5.7 5.5 4.5 5.0 5.1 5.6 5.7 5.2 5.3 5.2 5.2 5.3 5.4 BARZAN 5.3 6.2 4.2 5.0 4.8 5.4 5.8 5.5 5.5 5.5 5.9 5.8 5.4 ANNIKA 5.0 5.2 4.6 5.4 5.4 5.8 5.4 5.0 4.8 5.3 4.9 5.0 5.3 JOY 4.6 4.5 5.7 4.8 4.6 5.1 5.3 5.2 5.4 5.2 4.8 5.0 5.2 KENBLUE 5.0 4.7 5.5 4.5 4.5 5.1 5.3 5.4 5.4 5.2 4.9 4.9 5.2 S.D. CERTIFIED 4.6 4.5 5.4 5.0 4.5 5.1 5.2 5.5 5.4 5.1 4.8 5.2 5.1 LSD VALUE 1.0 1.0 0.7 0.6 0.4 0.4 0.5 0.5 0.5 0.7 0.6 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).