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Doctoral Degrees (Plant Pathology)
Recent Submissions
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Interactive effect of busseola fusca and fusarium verticillioides on ear rot and fumonisin production in maize
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Maize is a crop of great economic importance in southern Africa, and is widely consumed as a staple food and animal feed. Production of maize, however, is hampered by pathogens and pests such as Fusarium ... -
Investigating maize inbred line responses following infection by the Mycotoxigenic fungus Fusarium verticilliodes
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Fusarium verticillioides is an important fungal pathogen of maize and is associated with the crop wherever it is produced. It is the most common fungal contaminant of South African maize grain and causes ... -
The identification and characterization of resistance musa to Fusarium Oxysporum F.SP cubense race 1
(Stellenbosch : Stellenbosch University, 2016-03)ENGLISH ABSTRACT: Fusarium oxysporum f. sp. cubense (Foc), a soil-borne fungus affecting bananas (Musa spp.), is considered one of the most devastating pathogens in agricultural history. The fungus infects banana roots, ... -
Management of postharvest diseases of apples using essential oils
(Stellenbosch : Stellenbosch University, 2015-12)ENGLISH ABSTRACT: Grey mould, blue mould and bull’s eye rot, caused by Botrytis cinerea, Penicillium expansum and Neofabraea alba, respectively, are postharvest diseases which cause significant losses to the apple industry ... -
The characterisation of basidiomycetes associated with esca disease in South African grapevines
(Stellenbosch : Stellenbosch University, 2015-03)ENGLISH ABSTRACT: Esca is a disease complex of grapevine that includes different foliar and vascular symptoms caused by various fungal pathogens. One of the distinguishing characteristics of the disease on mature vines is ... -
Improving pruning wound protection against grapevine trunk disease pathogens
(Stellenbosch : Stellenbosch University, 2014-03)ENGLISH ABSTRACT: Grapevine trunk diseases are a cause of decline and loss of productivity in grapevines at all stages of growth. These diseases are caused by a complex of wood-inhabiting fungi that infect mainly through ... -
Optimisation of imazalil application and green mould control in South African citrus packhouses
(Stellenbosch : Stellenbosch University, 2014-04)ENGLISH ABSTRACT: South Africa is the largest exporter of shipped fresh citrus fruit worldwide. One of the major factors that can lead to substantial losses is postharvest decay. Penicillium digitatum (PD) and P. italicum ... -
Ecology and characterization of Streptomyces species associated with common scab disease conducive and biofumigated soils in South Africa
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: Common scab of potato is a serious cosmetic disease in South Africa as well as internationally. The disease affects the appearance and quality of potatoes resulting in major annual losses. Potato producers ... -
Botryosphaeria diseases of proteaceae
(Stellenbosch : Stellenbosch University, 2002-03)ENGLISH ABSTRACT: Fungi belonging to the genus Botryosphaeria are heterotrophic micromycetes that can be pathogens on woody plants. They cause serious, and in some cases devastating losses to crops through leaf necrosis, ... -
Genetics of pathogenicity in Pyrenophora leaf diseases of barley
(Stellenbosch : Stellenbosch University, 2001-12)ENGLISH ABSTRACT: Net blotch of barley, caused by Pyrenophora teres, is one of the most important diseases of this cereal in the south Western Cape Province of South Africa. This fungus exists as two different types ... -
Epidemiology of Monilinia laxa on nectarine and plum : infection of fruits by conidia
(Stellenbosch : Stellenbosch University, 2001-03)ENGLISH ABSTRACT: Postharvest decay of stone fruit in the Western Cape province of South Africa is caused primarily by Botrytis cinerea (grey mould) and Monilinia laxa (brown rot). Little is known about the relative ... -
Virulence spectrum, molecular characterisation and fungicide sensitivity of the South African Rhynchosporium secalis population
(Stellenbosch : Stellenbosch University, 2000-12)ENGLISH ABSTRACT: Barley leaf scald, caused by Rhynchosporium secalis, is the most important disease of barley (Hordeum vulgare) in the Western Cape province of South Africa. The disease was first reported from South ... -
Characterization and pathogenicity of South African isolates of Fusarium oxysporum f. sp. melonis
(Stellenbosch : Stellenbosch University, 2000-03)ENGLISH ABSTRACT: The purpose of this study was to characterize the race and vegetative compatibility of Fusarium oxysporum f. sp. melonis (FOM) isolates collected in the major melon producing areas, to report on their ... -
Phylogenetic relationships and population dynamics of Calonectria
(Stellenbosch : Stellenbosch University, 1999-12)ENGLISH SUMMARY: This dissertation is presented as a collection of separate publications and an amount of redundancy has thus been unavoidable. Although several species are newly described they are not effectively published ... -
The biology of Endophyllum osteospermi, and its use for the biological control of Chrysanthemoides monilifera ssp. monilifera
(Stellenbosch : Stellenbosch University, 2004-12)ENGLISH ABSTRACT: Chrysanthemoides monilifera ssp. monilifera is a shrub indigenous to South Africa, which has become a serious weed of native vegetation in Australia. Endophyllum osteospermi is a microcyclic, autoecious, ... -
Characterisation of Cylindrocarpon spp. associated with black foot disease of grapevine
(Stellenbosch : Stellenbosch University, 2005-12)ENGLISH ABSTRACT: During the past few years a drastic reduction has been noted in the survival rate of grafted grapevines in nurseries, as well as in young vineyards in the Western Cape Province of South Africa. ... -
Evolution and detection of Fusarium oxysporum f. sp. cepae in onion in South Africa
(Stellenbosch : Stellenbosch University, 2010-03)ENGLISH ABSTRACT: In the Western Cape onion industry in South Africa, Fusarium oxysporum Schlechtend.:Fr. f.sp. cepae (H.N. Hans.) W.C. Snyder & H.N. Hans. (Focep) has been identified as the leading cause of harvest and ...
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