TABLE 9. SPRING DENSITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS 1/ 1987-1990 DATA DENSITY RATINGS 1-9; 9=MAXIMUM DENSITY 2/ NAME IN1 NM1 SD1 MEAN BAR LP 454 (BARCREDO) 7.7 7.0 6.8 7.2 SR 4000 7.0 7.0 7.0 7.0 BAR LP 410 (BARRAGE) 7.0 6.8 6.7 6.8 NK 80389 7.7 6.5 6.3 6.8 PST-250 (COMPETITOR) 6.3 7.3 6.8 6.8 BRENDA 6.7 6.7 7.0 6.8 PAVO 6.7 7.0 6.7 6.8 PATRIOT 7.0 6.8 6.5 6.8 ACROBAT 6.0 7.5 6.7 6.7 MANHATTAN 7.0 6.7 6.5 6.7 YORKTOWN II 6.7 6.5 7.0 6.7 BELLE 6.3 7.0 6.8 6.7 J208 7.3 6.5 6.3 6.7 J207 6.3 6.8 6.8 6.7 MANHATTAN II 7.0 7.2 5.8 6.7 PST-2PM (SATURN) 7.0 6.7 6.3 6.7 PSU-222 6.0 7.3 6.7 6.7 RIVAL 6.7 7.2 6.2 6.7 CITATION II 6.7 7.0 6.2 6.6 BARRY 7.0 6.5 6.3 6.6 MOM LP 763 (TORONTO) 6.7 6.3 6.8 6.6 PICK 647 (RIVIERA) 6.7 6.8 6.3 6.6 RONJA 7.3 6.7 5.8 6.6 RUNAWAY 6.3 6.8 6.7 6.6 TARA 6.7 6.8 6.3 6.6 ISI-851 (LINDSAY) 7.0 6.5 6.2 6.6 PENNFINE 6.0 6.7 7.0 6.6 PSU-333 6.0 7.0 6.7 6.6 ALLAIRE 7.3 6.8 5.5 6.6 RANGER 6.0 6.8 6.8 6.6 DERBY 6.3 6.7 6.5 6.5 GATOR 6.7 6.5 6.3 6.5 OVATION 6.7 6.2 6.7 6.5 PICK 300 (BLAZER II) 6.7 6.5 6.3 6.5 PST-M2E (MAN. II W/E) 6.7 7.0 5.8 6.5 REGENCY 6.3 6.2 7.0 6.5 CALIENTE 6.0 6.5 6.8 6.4 DIPLOMAT 6.0 6.3 7.0 6.4 PST-259 (COMMANDER) 6.3 7.0 6.0 6.4 PST-2HH (CHARGER) 7.0 6.5 5.8 6.4 DEL 946 6.0 6.5 6.7 6.4 DELRAY 6.3 6.2 6.7 6.4 GOALIE 5.7 6.5 7.0 6.4 OMEGA II 6.7 7.2 5.3 6.4 PENNANT 6.0 7.0 6.2 6.4 SPRING DENSITY RATINGS OF PERENNIAL RYEGRASS CULTIVARS 1987-1990 DATA DENSITY RATINGS 1-9; 9=MAXIMUM DENSITY NAME IN1 NM1 SD1 MEAN PST-2H7 (DIMENSION) 6.7 6.5 6.0 6.4 REPELL 7.0 6.5 5.7 6.4 PICK 600 (FIESTA II) 6.3 6.8 6.0 6.4 PRELUDE 5.7 6.5 6.8 6.3 PST-2DD 7.3 6.3 5.3 6.3 SHERIFF 6.0 6.5 6.5 6.3 VINTAGE-2DF 6.0 7.0 6.0 6.3 BIRDIE II 5.7 6.7 6.5 6.3 246 6.3 6.5 6.0 6.3 KWS-AL-2 (AQUARIUS) 7.0 6.0 5.8 6.3 ISI-K2 (DILLON) 6.3 6.7 5.7 6.2 PALMER 5.7 6.8 6.2 6.2 PICK 233 (DASHER II) 6.3 6.5 5.8 6.2 REGAL 6.3 6.5 5.7 6.2 PICK 715 (EDGE) 6.3 6.5 5.5 6.1 RODEO 7.0 6.0 5.3 6.1 SR 4031 (NOVA) 6.0 6.5 5.8 6.1 SR 4100 6.0 6.3 6.0 6.1 COWBOY 6.0 5.8 5.3 5.7 LINN 5.3 6.3 4.0 5.2 LSD VALUE 1.0 1.1 0.5 0.5 1/ SPRING DENSITY RATED AT "IN1" IN 1987, AT "NM1" IN 1987 & 1988 AND AT "SD1" IN 1989 & 1990 2/ 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).