Laing, Mark Delmege.Grech, Nigel Mark.2016-06-282016-06-282015http://hdl.handle.net/10413/13097Ph. D. University of KwaZulu-Natal, Pietermaritzburg 2015.No abstract available.en-ZAGuava -- Diseases and pests -- South Africa.Guava -- Productivity -- South Africa.Theses -- Plant pathology.Thesis