TABLE 39. BROWN PATCH RATINGS OF BENTGRASS CULTIVARS GROWN ON A GREEN AT ORONO, ME 1/ 2000 DATA BROWN PATCH RATINGS 1-9; 9=NO DISEASE 2/ NAME JULY AUGUST MEAN VESPER (PICK MVB) 9.0 9.0 9.0 SR 7200 8.7 9.0 8.8 PENN A-1 6.7 8.7 7.7 SYN 96-2 6.3 8.3 7.3 ABT-CRB-1 5.7 8.3 7.0 PENN G-1 5.7 8.3 7.0 PENN G-6 5.7 8.3 7.0 PST-A2E 6.0 8.0 7.0 CRENSHAW 5.3 8.3 6.8 PENNCROSS 5.3 8.3 6.8 SRX 1NJH 5.0 8.7 6.8 PENN A-2 5.3 7.7 6.5 BENGAL (BAR AS 8FUS2) 4.7 8.0 6.3 PENN A-4 5.0 7.7 6.3 SRX 1BPAA 4.7 8.0 6.3 PICK CB 13-94 4.0 8.3 6.2 SR 1119 4.3 8.0 6.2 SYN 96-3 4.3 8.0 6.2 SYN 96-1 5.0 6.7 5.8 BACKSPIN 4.0 7.0 5.5 ISI AP-5 3.3 7.7 5.5 CENTURY 4.3 6.3 5.3 L-93 3.3 7.3 5.3 IMPERIAL 4.3 6.0 5.2 BAR CB 8US3 3.7 6.3 5.0 PENNLINKS 3.0 7.0 5.0 BRIGHTON (SRX 1120) 3.3 6.3 4.8 PROVIDENCE 3.0 6.0 4.5 BAVARIA 3.3 5.0 4.2 LSD VALUE 3.2 2.4 1.8 C.V. (%) 33.7 15.4 17.0 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.