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Results for “physiology”
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Vineyard row orientation (Part 3) - canopy physiology
Canopy physiological changes of differently orientated vertically trellised Shiraz grapevines (NS, EW, NE-SW and NW-SE rows) were investigated.
By Kobus Hunter & Neels Volschenk · 8 min read
Grape berry shrivelling - changes in physiology and quality
PHOTO 1. Different berry shrivelling stages within a Shiraz bunch.
By Doronae · 13 min read
High altitude vineyards
This article takes a look at how climate change affects grapevines and explores the advantages and challenges of managing vineyards located at high altitude sites.
By Lucinda Heyns · 8 min read
Analytical methods to measure grape metabolites - a review
This review presents a summary of the chromatographic methods that have been developed and optimised to accurately profile and quantify grape metabolites. The g
By Hans André Eyéghé-Bickong, Philip Young and Melané Vivier · 10 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
Virus diversity associated with grapevine leafroll disease
PHOTO: Hanno van Schalkwyk.
By Johan Burger · 12 min read
New Winetech projects for 2017 (Part 5)
1. Effect of HWT (50°C for 45 minutes) on fungal pathogens in vine nurseries
By Winetech Editorial Team · 5 min read
Sauvignon blanc – role of phenotypic plasticity in cultivar typicity
PHOTO: Shutterstock.
By Doronae · 8 min read
New tools to help overcome stuck fermentations in wine
Twenty years ago, it was thought that stuck fermentations were mainly due to two things: nitrogen deficiency and the glucose/fructose ratio of the must. Recentl
By Lallemand · 16 min read
Wingerdwortels book takes root among viticulturists
‘Viable viticulture necessitates scientific farming with roots and sunlight’, were the opening words of Eben Archer at the launch of the new Vine Roots (Wingerd
By Anton Pretorius · 2 min read
Indaba Institute celebrates first graduates: boost for early childhood education in Cape Winelands
The Indaba Institute in Stellenbosch hosted its first graduation ceremony on Friday 3 August 2018 for 22 students, including five recipients of Indaba Foundatio
By Anton Pretorius · 4 min read
Lessons to be learned from Israel's desert agriculture*
Netafim South Africa organised a technical tour to Israel for producers and industry role players. The purpose of the tour was to learn more about Israeli agric
By Gert Malan · 7 min read
