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Results for “diseases of grapevines.”
Showing 1–12 of 38 results
38 results — page 1 of 4
A method of choice for the evaluation of infection of grapevines
RT-PCR, combined with SSCP analysis of amplicons, is a method of choice for a brief evaluation of the complexity of virus infection of grapevines in a standard
By Dariusz Goszczynski · 4 min read
It's a MOYO thing
Dr Mukani Moyo and Dr Providence Moyo on their graduation day in Stellenbosch.
By Lee-anne · 4 min read
Proving the aetiology of two important grapevine viral diseases remains a challenge
Grapevine leafroll (GLD) and Rugose wood (RW) are two diseases of great concern for grapevine industries worldwide. GLD causes degeneration of phloem cells, pre
By Doronae · 8 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
Rugose wood diseases and associated viruses
A potential threat to vineyards and an unexplored, fascinating subject for scientific study.
By Dariusz Goszczynski · 12 min read
Grapevine rupestris stem pitting-associated virus
The most prevalent in vineyards and well characterised molecularly, but still relatively unknown.
By Dariusz Goszczynski · 8 min read
An overview on the genetic and biological variability of viruses in vineyards
Substantial input of two South African laboratories to worldwide knowledge.
By Dariusz Goszczynski · 14 min read
Winetech funds research towards improved Vitis planting material for the wine industry
We have established an entire protocol for the detection of GFkV by ELISA for immediate implementation, at least at a nuclear plant level, in the VIA’s certification scheme, and have recommended to the VIA and DALRDD that the most affordable kit be utilised using the protocol established through…
By Gerhard Pietersen, Katie Usher & Mmapula Lesailane · 14 min read
Esca in SA vineyards
Esca is a fairly unknown grapevine disease in South Africa, although the disease has probably existed locally for decades. This article discusses the causative
By Francois Halleen · 5 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