TABLE 23C. PYTHIUM ROOT ROT (APRIL) RATINGS OF SHEEP FESCUE CULTIVARS 1994 DATA PYTHIU14 ROOT ROT RATINGS 1-9; 9=NO DISEASE 1/ NAME OK1 QUATRO (FO 143) 5.3 67135 3.0 LSD VALUE 0.7 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).