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Results for “disease incidence”
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Incidence and spread of aster yellows
Symptoms associated with aster yellows (AY) vary during the season and between cultivars.
By Roleen Carstens · 5 min read
The benefits of certified, virus-tested, true-to-type plant material
Introduction
By Sandile · 8 min read
Susceptibility of grapevine pruning wounds to trunk pathogen infection
Introduction
By Sandile · 8 min read
A guide to grapevine abnormalities in South Africa: Abiotic abnormalities – hail, lightning, sulphur burn, bunch stem necrosis and growth arrestment (Part 6.3)
General and introductory Harmful occurrences such as hail, lightning, sulphur burn, bunch stem necrosis and growth arrestment phenomenon (hereafter GAP) – widel
By Anton Pretorius · 7 min read
Trichoderma pruning wound protection - when after pruning is it best to apply?
PHOTO: Pixabay.
By Doronae · 12 min read
Sauvignon blanc – role of phenotypic plasticity in cultivar typicity
PHOTO: Shutterstock.
By Doronae · 8 min read
Vineyard row orientation (Part 1) - canopy light and temperature
Climatic conditions, such as temperature, wind and humidity, and valley floor/edaphic conditions, such as soil water availability and drainage, often force the
By Kobus Hunter & Neels Volschenk · 9 min read
Fly the SA (wine) flag with pride
Most people probably associate South Africa with Table Mountain, the Big Five, braaivleis and the local wines. But did you know SA is at the forefront of plant
By Carlin Cloete · 5 min read
Vineyard row orientation (Part 2) - inter-row wind and canopy humidity
The prevailing wind direction and wind velocity are always considered when vineyards are established in a specific terroir.
By Kobus Hunter & Neels Volschenk · 8 min read
Wake-up call for wine industry: conscious millennials disconnected from wine
As the trend to adopt a healthier lifestyle continues, millennials are increasingly turning away from wine. A marked decline in growth among the world’s largest
By Anton Pretorius · 9 min read
Detection and classification of grapevine stem pitting-associated virus
The aim of this study was to investigate the genetic diversity of GRSPaV in South Africa and to evaluate the success of biological indexing as a detection tool
By Ilani Mostert and Johan Burger and Hano Maree · 9 min read
