Ragga, P. W. M.- d’, and S. Moses. “The Evaluation of Cross Infection of Sorghum Genotypes by Ustilago Cynadontis (Henn. & Henn.), the Causal Agent of Smut in Couch Grass [Cynodon Dactylon (L.) Pers.] in South Sudan”. GPH-International Journal of Agriculture and Research, Vol. 3, no. 08, Sept. 2020, pp. 01-04, https://gphjournal.org/index.php/ar/article/view/296.