Effect of Carbon, Nitrogen and Sulphur on Growth and Sporulation of Colletotrichum graminicola


Colletotrichum graminicola

How to Cite

Tata, S., Donli, P.O., Abana, P., Mohammed, F.K., & Peter, A. (2019). Effect of Carbon, Nitrogen and Sulphur on Growth and Sporulation of Colletotrichum graminicola. Research Journal of Science, 19(1), 110 - 121. Retrieved from http://journals.unimaid.edu.ng/index.php/rjs/article/view/69


The sorghum anthracnose fungus, Colletotrichum graminicola is a long established cause of reduced yield in sorghum globally including Nigeria. An in vitro study was carried out to assess the responses of Colletotrichum graminicola to different carbon, nitrogen and sulphur sources using Czapek dox broth as the basal medium. Sucrose was replaced with glucose, maltose and soluble starch; sodium nitrate was replaced with urea, potassium nitrate and ammonium sulphate; while magnesium sulphate was replaced with sodium sulphate, copper sulphate and zinc sulphate. Among the various carbon sources tested, glucose, sucrose and maltose supported good growth and sporulation but the optimum growth was observed in glucose. Potassium nitrate was found to be the best source of nitrogen for growth of Colletotrichum graminicola while NH4SO4 was the best for sporulation. The best sulphur source for growth was MgSO4; all other sources were less effective than the control.



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