TABLE 36B. RED THREAD RATINGS OF CHEWINGS FESCUE CULTIVARS AT BLACKSBURG, VA 1/ 2000 DATA RED THREAD RATINGS 1-9; 9=NO DISEASE 2/ NAME MAY AUGUST MEAN INTRIGUE 7.0 8.0 7.5 PICK FRC A-93 6.0 8.7 7.3 PST-4HM 7.7 7.0 7.3 ABT-CHW-2 6.0 8.3 7.2 AMBASSADOR 5.7 8.3 7.0 BRITTANY 6.0 8.0 7.0 BRIDGEPORT 6.0 7.7 6.8 LONGFELLOW II 5.3 8.3 6.8 SHADOW II 5.7 8.0 6.8 JAMESTOWN II 6.3 7.0 6.7 MAGIC 5.7 7.7 6.7 SILHOUETTE (PICK FRC 4-92) 5.3 8.0 6.7 SR 5100 5.0 8.0 6.5 WRIGLEY (ACF 092) 6.0 6.7 6.3 SANDPIPER 5.0 7.3 6.2 ABT-CHW-3 5.0 7.0 6.0 BAR CHF 8 FUS2 5.0 7.0 6.0 CULOMBRA 4.3 7.7 6.0 TIFFANY 4.3 7.7 6.0 ABT-CHW-1 5.7 6.0 5.8 ACF 083 3.7 7.0 5.3 LSD VALUE 1.8 2.8 1.5 C.V. (%) 17.0 13.6 10.6 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.