Tef grain and straw are important food and feed resources, respectively, in Ethiopia. Chemical analysis was carried out on tef grain and straw grown on Vertisols of three areas of the central and nort
The Russian wheat aphid (RWA) (Diuraphis noxia) is cosmopolitan pest and yield losses of up to 93% have been reported in different wheat growing countries. It also has a high degree of biotypic divers
