Now showing items 21-26 of 26
Pathogens associated with diseases of Protea, Leucospermum and Leucadendron spp.
(Stellenbosch : Stellenbosch University, 1999-12)
ENGLISH SUMMARY: The manuscript consists of six chapters that represent research on different diseases and records of new diseases of the Proteaceae world-wide. The fungal descriptions presented in this thesis are not ...
The characterization of the basidiomycetes and other fungi associated with esca of grapevines in South Africa
(Stellenbosch : University of Stellenbosch, 2010-12)
ENGLISH ABSTRACT: Esca is a disease affecting grapevines and is potentially devastating as there are economic losses due to a decrease in yield, wine quality and berry quality. Vineyards also need to be replaced earlier ...
The role of arthropods in the dispersal of trunk disease pathogens associated with Petri disease and Esca
(Stellenbosch : Stellenbosch University, 2013-03)
ENGLISH ABSTRACT: Petri disease and esca are devastating grapevine trunk diseases and compromise the sustainability of viticulture world-wide. Despite being extensively studied, knowledge of inoculum sources and mechanisms ...
The role of sucker wounds as portals for grapevine trunk pathogen infections
(Stellenbosch : Stellenbosch University, 2014-04)
ENGLISH ABSTRACT: Grapevine trunk diseases are responsible for reduced wine and table grape production world-wide. Trunk disease infections are caused by xylem-inhabiting pathogens which include species of Botryosphaeriaceae, ...
Characterisation of Rhizoctonia in cropping systems in the Western Cape Province
(Stellenbosch : University of Stellenbosch, 2005-03)
The genus Rhizoctonia includes important soilborne plant pathogens that can cause severe economic losses on a wide range of crops including cereal, canola, pasture and grain legume crops. Limited information is available ...
Molecular detection of Phaeomoniella chlamydospora in grapevine nurseries
(Stellenbosch : Stellenbosch University, 2005-04)
ENGLISH ABSTRACT: Phaeomoniella chlamydospora is the main causal organism of Petri disease, which causes severe decline and dieback of young grapevines (1-7 years old) and also predisposes the wood for infection by other ...