Treatments interaction

 PSI at Haramaya DAS (%) PSI at Hirna DAS (%)
Initial (52) Final (92) Initial (60) Final (90)
Soil solarization Seed treatment        
Solarized MST 13.8 28.7 16.3 25.2
CST 13.1 29.1 16.6 25.7
US 20.7 38.5 15.6 26.2
Non-solarized MST 13.9 33.1 20.3 29.4
CST 14.3 34.8 20.9 31.4
US 26.9 44.7 21.9 32.1
CV (%) 13.0 12.3 9.6 9.7
LSD at 5% for SS x ST 4.4 NS NS NS
Soil solarization Foliar spray  
Solarized CFS10 13.3 30.5 19.0 21.9
CFS20 15.1 31.5 15.1 25.2
UF 19.3 34.4 14.3 29.9
Non-solarized CFS10 15.1 32.6 21.2 25.2
CFS20 17.9 32.7 17.5 31.8
US 22.1 47.4 24.4 35.8
CV (%) 14.7 12.1 25.8 21.1
LSD at 5% for SS x FS 2.5 4.3 NS 14
Seed treatment Foliar spray        
MST CFS10 12.2 28.2 20.0 29.6
CFS20 13.4 29.3 16.3 24.8
UF 15.9 35.3 18.5 27.4
CST CFS10 14.5 31.1 21.1 31.8
CFS20 13.6 30.3 15.9 25.2
UF 12.9 34.6 19.2 28.5
US CFS10 15.8 35.4 19.3 31.1
CFS20 19.8 36.7 16.7 25.6
UF 33.2 52.8 20.4 30.7
CV (%) 13.0 12.3 9.6 9.7
LSD at 5% for ST x FS 3.6 5.3 NS NS
MST=Mancozeb seed treatment; CST=Carbendazim seed treatment; CFS10 and 20=Carbendazim foliar spray at 10 and 20 days interval; UF=Unsprayed foliar; DAS =Days after sowing; US=Untreated seed; LSD=Least significant difference; FS=Foliar spray; ST=Seed treatment; SS=Soil solarization; NS=Non significant difference
Table 3: Effect of soil solarization x seed treatment, soil solarization x foliar sprays and seed treatment x foliar sprays interactions on percentage severity index (PSI) of anthracnose at Haramaya and Hirna during 2010 main cropping season.