TABLE 36D. PYTHIUM ROOT ROT RATINGS OF CHEWINGS FESCUE CULTIVARS 1/ AT STILLWATER, OK 2/ 1994-97 DATA PYTHIUM ROOT ROT RATINGS 1-9; 9=NO DISEASE 3/ NAME APRIL JULY MEAN CULUMBRA (MB 64-93) 6.7 4.3 5.5 BANNER III (MB 61-93) 6.3 4.3 5.3 BRIDGEPORT 5.7 4.3 5.0 JAMESTOWN II 6.0 4.0 5.0 MB 66-93 6.0 4.0 5.0 NJ F-93 6.0 4.0 5.0 SHADOW II (PST-44D) 6.3 3.7 5.0 TREAZURE (ZPS-MG) 6.0 4.0 5.0 WX3-FF54 6.3 3.7 5.0 JAMESTOWN 6.0 3.7 4.8 K-2 (MB 65-93) 6.3 3.3 4.8 SR 5100 6.0 3.7 4.8 TIFFANY 6.0 3.7 4.8 VICTORY (E) 6.0 3.7 4.8 BANNER II 5.0 4.3 4.7 ECO (MB 63-93) 5.7 3.7 4.7 ISI-FC-62 5.7 3.7 4.7 TMI-3CE 6.0 3.3 4.7 SANDPIPER (PRO 92/20) 5.3 3.7 4.5 BRITTANY 5.3 3.3 4.3 MEDINA 6.0 2.7 4.3 VICTORY II (PICK 4-91W) 5.3 3.3 4.3 MOLINDA 5.3 3.0 4.2 SHADOW (E) 5.3 3.0 4.2 DARWIN 5.0 3.0 4.0 CASCADE 4.0 3.3 3.7 LSD VALUE 1.7 1.5 1.1 C.V. (%) 12.6 16.8 10.8 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). 2/ C.V. (COEFFICIENT OF VARIATION) INDICATES THE PERCENT VARIATION OF THE MEAN IN EACH COLUMN. 3/ PYTHIUM ROOT ROT RATED IN 1994.