A wide range of genetic variation was identified among tested
wheat genotypes for studied traits particularly iron, zinc and protein
concentrations as well as grain yield. We concluded that the
older genotypes have highest grain protein, iron and zinc concentrations,
while their grain yields were at the lower levels. So, we
observed negative correlations between the grain yield and grain
protein, iron and zinc concentrations. We found the trend between
these traits and date of cultivar release over 70 years. The interesting
finding is breeders’ attention to enhancing grain production
caused to neglect the quality of wheat production specially protein,
iron and zinc concentrations during the last 70 years. In this study,
the effect of drought stress on the different traits was identified.