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Results for “Leafroll”
Showing 1–12 of 35 results
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Leafroll disease or deficiency symptom?
Grapevine leafroll disease is the most important viral disease of grapevines in South Africa. It is thought to have a significant impact on the sustainability of the wine industry, impacting both the qualitative and productive lifespan of our vineyards.
By Etienne Terblanche · 8 min read
SA champions leafroll virus management
The South African wine industry has made huge strides to halt the spread of leafroll virus through focused research, trial sites and a formalised Leafroll Contr
By Lee-anne · 3 min read
Leafroll control strategy - an integrated approach
What causes leafroll virus? [Fact sheet 1.1]* • Leafroll virus is caused by leafroll associated virus -3 (GLRaV-3). Other types of leafroll associated viruses e
By Lucinda Heyns & Gerhard Pietersen · 4 min read
The front line of leafroll management
Leafroll saps away the strength and quality of vineyards in just a few years. Yet there is still a concerning lack of urgency to address it.
By SA Wine Industry · 6 min read
Virus diversity associated with grapevine leafroll disease
PHOTO: Hanno van Schalkwyk.
By Johan Burger · 12 min read
Optimisation of grapevine leafroll detection by sentinel canes
In this project we evaluated the use of a bud of a red cultivar, grafted on individual white cultivar vine stems to serve as visual indicators of leafroll infection in the white cultivar.
By Gerhard Pietersen · 10 min read
Impact of grapevine leafroll disease on grape and wine composition
Grapevine leafroll disease (GLD) is the most common grapevine disease, which is present in grape-growing regions globally.
By Erna Blancquaert & Wessel du Toit · 8 min read
Transmission dynamics of grapevine leafroll-associated virus 3 (GLRaV-3) variants
The transmission from source plants infected was studied to understand biological differences between GLRaV-3 leafroll variants.
By Elize Jooste & Kerstin Krüger · 7 min read
Poor detection of grapevine leafroll-associated virus type 3 in rootstocks
PHOTO: Piet Goussard.
By Gerhard Pietersen and Megan Harris · 6 min read
