Truter, Susarah J.Rijkenberg, Fredericus Hermanus Johannes.2014-11-112014-11-1119731973http://hdl.handle.net/10413/11553Thesis (Ph.D.)-University of Natal, Pietermaritzburg, 1973.No abstract available.en-ZARust fungi.Theses--Microbiology.An ultrastructural study on rusts with special reference to Puccinia sorghi on Oxalis corniculata.Thesis