1. Ahmed N, Khaliq I, Chowdhry MA, Ahsan M, Ibrahim M, Maekawa M. 2004. Heritability estimates of some flag leaf characters in wheat. Caderno de Pesquisa Série Biol. 16: 131–141
2. Álvaro F, Isidro J, Villegas D, García del Moral LF, Royo C. 2008. Old and modern durum wheat varieties from Italy and Spain differ in main spike components. Field Crops Res. 106: 86–93
3. Anjum SA, Xie X, Wang L, Saleem MF, Man C, Lei W. 2011. Morphological, physiological and biochemical responses of plants to drought stress. Afr. J. Agric. 6: 2026–2032
4. Araus JL, Slafer GA, Royo C, Serret MD. 2008. Breeding for yield potential and stress adaptation in cereals. CRC Crit. Rev. Plant Sci. 27: 377–412
5. Ayed S, Othmani A, Mrabit M, Rassaa N, Mbarki A, Rezgui M, Younes MB. 2014. Selection of morpho-physiological traits associated with terminal drought stress tolerance in durum wheat (Triticum durum Desf.) genotypes. J. New Sci. 11: 9–16