Now showing items 11-18 of 18
Characterisation of pathogens associated with trunk diseases of grapevines
(Stellenbosch : Stellenbosch University, 2004-04)
ENGLISH ABSTRACT: In an attempt to combat some of the pathogens that are associated with trunk diseases and disorders of grapevines, research in this thesis focused on the taxonomy and pathological aspects of ...
Epidemiology of botrytis cinerea on grape : wound infection by dry, airborne conidia
(South African Society for Enology and Viticulture, 2002)
This study describes the infection of fresh wounds on berries exposed to freshly deposited airborne Botrytis cinerea conidia, and on berries carrying previously deposited conidia and germlings (latent infections). Grapes ...
Colonization of table grape bunches by alternaria alternata and rot of cold-stored grapes
(South African Society for Enology and Viticulture, 1994)
Assessment of latent Alternaria alternata infections in table grapes indicated that infections occurred in commercial vineyards during the entire period of bunch development. Mature bunches were asymptomatic despite high ...
Characterization and control of Phaeomoniella chlamydospora in grapevines
(Stellenbosch : Stellenbosch University, 2000-12)
ENGLISH ABSTRACT: Petri grapevme decline, also known as black goo, slow die-back and Phaeoacremonium grapevine decline, causes significant losses of young vines worldwide. Species of Phaeoacremonium, Phaeomoniella ...
Bars van tafeldruiwe met spesiale verwysing na Queen of the Vineyard
(Stellenbosch : Stellenbosch University, 1956-12)
ENGLISH ABSTRACT: no abstract available
Incomplete cross-resistance to folpet and iprodione in botrytis cinerea from grapevine in South Africa
(South African Society for Enology and Viticulture, 2001)
The sensitivity to folpet of Botrytis cinerea isolates obtained from table grape vineyards in the Western Cape province of South Africa with a known history of dicarboximide (DC) resistance and high-schedule DC and folpet ...
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. ...
The role of the mediterranean fruit fly, Ceratitis capitata, in Botrytis bunch rot of grape
(Stellenbosch : Stellenbosch University, 2002-03)
ENGLISH ABSTRACT: Botrytis bunch rot of grape is caused by Botrytis cinerea Pers. :Fr. Conidia of the pathogen, which is dispersed by wind, water droplets and by insects, can penetrate the intact grape berry cuticle, ...