Effect of eyespot control on the yield of winter wheat and eyespot damage in Belgium

belgique belgium cereal crops chemical control chlorothalonil clorotalonil control de enfermedades cultivos de cereales cultivos de invierno culture d'hiver damage disease control enfermedades fungosas field experimentation fongicide fungal diseases fungicidas fungicides lutte chimique maladie fongique prochloraz procloraz pseudocercosporella herpotrichoides septoria septoria tritici triticum aestivum winter crops