Wheat Environment There are five agro-ecological zones in Algeria: Sahel-type area along the Mediterranean coast Sub-littoral plains Interior plains High plateaus and the steppe region Sahara desert, with oases. Wheat is grown principally in the first 3 zones and High plateaus. Main production contraints: Abiotic stresses: Drough (drought recurrence; low and erratic rainfalls; scarcity and poor quality of underground water) Heat and cold Salinity Biotic stresses (causing 30-80% of yield losses) includie stripe rust, leaf rust, septoria, tan spot, fusarium, take-all Information extracted from presentation of Dr. Omar Zeghouane and Dr. Abdelkader Benbelkacem delivered at Wheat for Africa conference: Current state and trends of wheat production in Algeria from CIMMYT, Int. Breeding for resistance to wheat diseases in Algeria from CIMMYT, Int. This country is not found in our database or data is not available.