In Tunisia. the cereal sector plays an important socio-economic role. This work is carried out to study the effect of fungicide on water use efficiency and yield components of old and new varieties of bread wheat. The final yield components as well as the water use efficiencies were statistically analyzed at the end of the experimental campaign. https://www.bekindtopets.com/mega-sale-Equi-Jec-7-amazing-offer/