Plant pathology [Bacterial blight of sesame; bamia (Hibiscus esculentus) powdery mildew; cotton; faba bean. Trials conducted at Gezira, Sudan]

bacteriose bacterioses bacteriosis ensemencement espacement espaciamiento fongicide fungicidas fungicides fusarium gossypium barbadense hibiscus esculentus marchitez mildews sesamum indicum siembra sowing spacing spraying vicia faba wilts