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 ...
ENGLISH ABSTRACT: Phaeomoniella chlamydospora, Eutypa lata, Phomopsis, Phaeoacremonium, and
Botryosphaeria spp. are important trunk disease pathogens that cause premature decline and
dieback of grapevine. Previous research ...
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. ...
Spies, Christoffel, F. J. (Christoffel Frederik Jakobus)(Stellenbosch : Stellenbosch University, 2005-04)
ENGLISH ABSTRACT: Grey mould, caused by Botrytis cinerea, is the most important foliar disease of rooibos
seedlings. Although the disease is primarily controlled with applications of fungicides, the
improvement of cultural ...
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 ...
ENGLISH ABSTRACT: Fruit and Leaf Spot Disease (FLSD) of citrus, caused by Phaeoramularia angolensis, is
found only in 18 countries in Africa, the Comores Islands in the Indian Ocean and Yemen in
the Arabian peninsula. ...
ENGLISH ABSTRACT: Various studies revealed that Botrytis cinerea, the causal pathogen of Botrytis bunch
rot, is mostly associated with pedicels, rachises, laterals and berry bases, and not with berry
skins as previously ...
ENGLISH ABSTRACT: Botrytis cinerea Pers. Fr. [teleomorph Botryotinia fuckeliana (de Bary) Whetzel] causes
serious losses of over 200 crops worldwide, including rooibos seedlings and pears. This
pathogen is characterized ...
Brink, Johannes Cornelius (Jan-Cor)(Stellenbosch : Stellenbosch University, 2012-03)
ENGLISH ABSTRACT: Despite adherence to fungicide spray schedules and label recommendations, table
and wine grape producers invariably suffer crop losses when environmental conditions
are conducive to fruit and foliar ...
ENGLISH ABSTRACT: Green mould is a major citrus postharvest disease caused by a wound pathogen called Penicillium digitatum. Imazalil (IMZ) is the most important postharvest fungicide that is currently registered against ...
Van Wyk, Schalk Jacobus Petrus(Stellenbosch : Stellenbosch University, 2011-03)
ENGLISH ABSTRACT: Pine pitch canker, caused by Fusarium circinatum, is a major constraint to the production of high quality
timber in the Western Cape Province of South Africa. Under nursery conditions the pathogen causes ...
White, Chana-Lee(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 ...
ENGLISH ABSTRACT: Late blight caused by Phytophthora infestans on potato and tomato causes major
economic losses worldwide. Until the 1980s, P. infestans populations outside its centre of
origin (either central Mexico ...
ENGLISH ABSTRACT:
Fusarium spp. and Aspergillus spp. are toxin-producing fungi associated with maize and
groundnut. Fusarium verticillioides produces fumonisins in maize, and Aspergillus flavus
produces aflatoxins in ...
Cloete, Mia(Stellenbosch : University of Stellenbosch, 2010-03)
ENGLISH ABSTRACT: A survey was undertaken on apple and pear trees in the Western Cape Province to determine
the aetiology of trunk diseases with reference to trunk diseases occurring on grapevine.
Grapevine trunk diseases ...