Persley, G.J.2007-11-121980-04-012007-11-121980http://hdl.handle.net/10625/6348, 1980Thesis, University of Queensland, 1980Text1 digital file (225 p. : ill.)application/pdfenCASSAVAPLANT DISEASESEPIDEMIOLOGYPLANT ECOLOGYAFRICARESEARCH METHODSRESEARCH RESULTSSEEDSDISEASE TRANSMISSIONStudies on bacterial blight of cassava in AfricaThesis