Zone Woreda Altitude (m.a.sl) Septoria leaf blotch Prevalence (%) Incidence (%) Severity (%)  Disease index South west Shewa Ameya 1896-2006 100 87 45 0.25 Bacho 2161-2293 100 80 76 0.52 Dawo 2148-2306 100 82 76 0.52 Seden Sodo 2292-2413 100 83 54 0.25 Wolisso 1967-2415 100 100 76 0.52 Wenchi 2100-2817 100 78 77 0.60 Mean 1967-2817 100 85 66 0.44 West Shewa Chelia 2383-2870 100 90 65 0.37 Dendi 2227-2497 100 64 84 0.40 Toke kutaye 2247-2413 100 100 54 0.25 Ambo 2073-2679 100 70 35 0.19 Mean 2073-2679 100 81 65 0.37 Grand mean 1967-2817 100 83 66 0.44

Table 3: Distribution of Septoria leaf blotch of wheat in South West and West Shewa zones.