TABLE 24C. PYTHIUM ROOT ROT (JULY) RATINGS OF SHEEP FESCUE CULTIVARS 1994 DATA PYTHIUM ROOT ROT RATINGS 1-9; 9=NO DISEASE 1/ NAME OK1 QUATRO (FO 143) 3.3 67135 2.3 LSD VALUE 1.5 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).