by D van Schalkwyk & FS de Villiers | 1 Apr, 2001 | Viticulture research, Winetech Technical
This article follows another that discussed the influence of production norms on grape and wine quality of Ruby Cabernet in the Robertson area (Van Schalkwyk et al., 1999). The conclusion of the prior investigation was that different production levels, induced by...
by | Practical in the vineyard, Production, Wineland, Winetech Technical
The 2001 vintage is revealing itself as a rare one indeed. On the one hand it may be one of the smallest in history – and on the other hand one of the best, red wine especially. It is therefore ironic that the industry will soon face shortages, while the problem...
by Hanno van Schalkwyk | Practical in the vineyard, Winetech Technical
The canopy density of a vine is determined by the amount of shoots and leaves on the vine and the way in which these are arranged. Canopy density has an enormous influence on the amount of light that penetrates the foliage and can therefore influence the grape...
by Johan Truter | Business and Marketing, Winetech Technical
A need that has been felt in the industry for many years was recently addressed by the official foundation of a forum for viticulturists. The forum will be known as the “South African Forum for Viticulturists (SAFV)”. Need for forum formalised Although...
by | 1 Feb, 2001 | Oenology research, Winetech Technical
The “Organisation Internationale du Vin” (OIV) approved the use of lysozyme in wine during its 1997 General Assembly held in Argentina. In November, 2000, two presentations focused on this enzyme during the SASEV symposium in Cape Town Therefore, this is...
by Johann Marais, Patrick Iland & Ewarda Swart | Oenology research, Winetech Technical
As a result of its South African uniqueness and distinctive berry/ plum character, Pinotage is increasingly in demand locally and overseas. Knowledge about the phenolic composition of Pinotage grapes and wine, especially with respect to colour, is lacking. Research on...
by Winetech | 1 Jan, 2001 | Business and Marketing, Winetech Technical
It has been known for the last decade that modest alcohol consumption may have a beneficial effect on longevity, predominantly by reducing the incidence of heart attacks.1-3 A new study now again shows that a modest amount of wine intake may have a beneficial effect...
by Lourens van Schoor | Viticulture research, Winetech Technical
From the initial planning stages of a farming practice or cellar, until the time when the land is eventually sold again, there are several aspects that may have negative impacts on the environment. For this reason there are numerous laws related to conservation of the...
by Louis Nel | Oenology research, Winetech Technical
Oxygen plays an important role in the winemaking process (e g polymerisation of tannins) and now there is method of mimicking the effect in a more predictable way. This technique is known as micro-oxygenation (MO) and comprises the addition of oxygen by means of a...
