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Results for “powdery mildew”
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The vine's reserve bank
Carbohydrate reserves in the grapevine play a critical role in various physiological processes. It affects the vine’s overall health, development, growth and ultimate yield.
By Hennie Visser · 6 min read
Lesser-known white wine cultivars (Part 1)
This article is a follow-up on the articles regarding lesser-known red wine grape cultivars that were published (Van Schalkwyk & Schmidt, 2016a & 2016b). Accord
By Danie van Schalkwyk · 8 min read
Lesser-known white wine cultivars (Part 2)
This article is a follow-up on the articles regarding lesser-known red wine grape cultivars that were published (Van Schalkwyk & Schmidt, 2016a & 2016b).
By Danie van Schalkwyk · 7 min read
Winetech vine and wine innovation watch: Fighting vineyard pathogens with UV light
PHOTO: Shutterstock.
By Lucinda Heyns · 4 min read
Wine industry Regional Info Days focus on sustainability
Winetech and Vinpro will shine the spotlight on sustainability in the wine industry during a series of regional information days from 7 to 14 September 2021.
By SA Wine Industry · 3 min read
Registrations now open for the 2022 regional information days
Registrations are now open for the Winetech and Vinpro regional information days from 10 to 18 May.
By SA Wine Industry · 3 min read
Elemental sulphur residues at harvest - boosting both the good and the bad
A recent study conducted by New Zealand researchers investigated the effects of the addition of antioxidants (a combination of ascorbic acid and sulphur dioxide) and elemental sulphur during grape processing on the sensory and chemical composition of the resulting wines.
By Carien Coetzee · 6 min read
Annual South African Wine Harvest Report: smaller wine grape crop packs a punch
South Africa’s 2022 vintage will wow consumers with exceptional quality wines, albeit from a somewhat smaller grape crop than in 2021. This according to the annual South African Wine Harvest Report.
By SA Wine Industry · 6 min read
Fresh mushroom off-flavours in dry & sparkling wines
Fresh mushroom off-flavour is characterised by an odour typical of the common mushroom.
By Eric Meistermann & Stéphanie Villaumé · 6 min read
The CRISPR revolution and grapevine
Genome editing is a catchall phrase to describe the technologies that are available to alter an organism’s DNA. The most promising of these technologies is CRISPR, which is an acronym for ‘Clustered Regularly Interspaced Short Palindromic Repeats’ and occurs in nature as a bacterial ‘immune system’.
By Manuela Campa, Philip Young, Melané Vivier and Johan Burger · 9 min read
