by Karien O'Kennedy | Sep 6, 2020 | Technical Blogs
The aim of the study was to determine the effect of late-season Shiraz berry dehydration (berry shrivel) on the chemical and sensory properties of the resulting wine. Project Layout Shiraz grapes were harvested on 25 February 2016 from a commercial vineyard (8...
by Karien O'Kennedy | Aug 6, 2020 | Technical Blogs
In various countries the addition of water to grape must pre-fermentation is permitted in order to lower the risk for stuck fermentations. It has also been proposed in South Africa as a warm viticultural climate and is currently under consideration. There are...
by Lucinda Heyns | May 21, 2020 | Technical Blogs
Aim of the study In this project researchers wanted to determine what the effects of a single heat event, as well as cumulative effects of a number of heat events are on Shiraz berry composition and tannins. Project layout In order to control the environment,...
by Lucinda Heyns | May 21, 2020 | Technical Blogs
Aim of the study In this project, researchers wanted to evaluate the effects of late pruning and increased temperatures on the development and fruit composition of Shiraz. Project layout Shiraz vines in the Barossa valley were used for the three year trial....
by Karien O'Kennedy | May 21, 2020 | Technical Blogs
Aim of the study The aim of this study was to determine the chemical and sensory effects of co-fermentation and post malolactic fermentation (MLF) blending of Shiraz (Syrah) with selected Rhône white cultivars. Co-fermentation of Shiraz is a traditional practice and...
by Dr Carien Coetzee | Apr 8, 2020 | Technical Blogs
Harvesting Shiraz grapes at the optimal maturity is critical for achieving the targeted wine style, however challenges such as unexpected viticultural/climatic conditions and/or the availability of resources can force producers to harvest the crop earlier than...