Rhizoctonia solani ag-3pt is the major pathogen associated with potato stem canker and black scurf in colombia

Stem canker and black scurf diseases of potatoes are caused by the basidiomycetous fungus Thanatephorus cucumeris (anamorphic species complex Rhizoctonia solani). These diseases have worldwide distribution wherever potato is grown but their etiology varies depending on the predominance of distinct R...