Khadegah Najeeb, M. A., Thabet, M., Negm, S. S. and El-Deeb, S. H. 2019. Monitoring of Puccinia triticina Erikss. physiologic races and effectiveness of Lr-genes in Egyptian wheat during 2014-2016 growing seasons. International Journal of Agricultural Technology. 15, 1 (Jan. 2019), 35–54.