TABLE 17. NET BLOTCH RATINGS OF PERENNIAL RYEGRASS CULTIVARS 1/ 1987 DATA NET BLOTCH RATINGS 1-9; 9=NO DISEASE 2/ NAME NJ1 MEAN PST-2H7 9.0 9.0 PST-2PM 8.7 8.7 ALLAIRE 8.3 8.3 ISI-851 (LINDSAY) 8.3 8.3 PRELUDE 8.3 8.3 CITATION II 8.0 8.0 NK 80389 8.0 8.0 OMEGA II 8.0 8.0 PALMER 8.0 8.0 PATRIOT 8.0 8.0 PENNANT 8.0 8.0 PICK 300 (BLAZER II) 8.0 8.0 PST-250 (COMPETITOR) 8.0 8.0 PST-259 (COMMANDER) 8.0 8.0 PST-2HH 8.0 8.0 246 7.7 7.7 BIRDIE II 7.7 7.7 MANHATTAN II 7.7 7.7 PICK 715 7.7 7.7 RUNAWAY 7.7 7.7 SR 4100 7.7 7.7 YORKTOWN II 7.7 7.7 DIPLOMAT 7.3 7.3 KWS-AL-2 (AQUARIUS) 7.3 7.3 PICK 233 (DASHER II) 7.3 7.3 PICK 647 7.3 7.3 PST-2DD 7.3 7.3 PSU-333 7.3 7.3 REPELL 7.3 7.3 SR 4031 7.3 7.3 COWBOY 7.0 7.0 GOALIE 7.0 7.0 PICK 600 (FIESTA II) 7.0 7.0 PST-M2E 7.0 7.0 SR 4000 7.0 7.0 BELLE 6.7 6.7 DERBY 6.7 6.7 GATOR 6.7 6.7 ISI-K2 (DILLON) 6.7 6.7 PSU-222 6.7 6.7 RANGER 6.7 6.7 REGAL 6.7 6.7 RODEO 6.7 6.7 TARA 6.7 6.7 VINTAGE-2DF 6.7 6.7 J208 6.3 6.3 CALIENTE 6.0 6.0 DEL 946 6.0 6.0 J207 6.0 6.0 MANHATTAN 6.0 6.0 TABLE 17. NET BLOTCH RATINGS OF PERENNIAL RYEGRASS CULTIVARS (CONT'D) 1987 DATA NET BLOTCH RATINGS 1-9; 9=NO DISEASE NAME NJ1 MEAN OVATION 5.7 5.7 PAVO 5.7 5.7 REGENCY 5.7 5.7 RONJA 5.7 5.7 BARRY 5.3 5.3 MOM LP 763 5.3 5.3 BAR LP 410 5.0 5.0 SHERIFF 4.3 4.3 LINN 4.0 4.0 PENNFINE 4.0 4.0 DELRAY 3.3 3.3 ACROBAT 3.0 3.0 BRENDA 3.0 3.0 BAR LP 454 2.0 2.0 RIVAL 1.7 1.7 LSD VALUE 1.5 1.5 1/ THE PATHOGEN OBSERVED WAS H. DICTYOIDES. 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 CORRES- PONDING LSD VALUE (LSD 0.05).