Search
Results for “downy mildew”
Showing 1–12 of 20 results
20 results — page 1 of 2
Amoéba confirms field efficacy of active substance against grapevine downy mildew
Producer of a biological biocide, still in the testing phase, capable of eliminating bacterial risk in water and human wounds, and a bio-control product for pla
By Anton Pretorius · 4 min read
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
Vineyard row orientation (Part 1) - canopy light and temperature
Climatic conditions, such as temperature, wind and humidity, and valley floor/edaphic conditions, such as soil water availability and drainage, often force the
By Kobus Hunter & Neels Volschenk · 9 min read
Vineyard row orientation (Part 2) - inter-row wind and canopy humidity
The prevailing wind direction and wind velocity are always considered when vineyards are established in a specific terroir.
By Kobus Hunter & Neels Volschenk · 8 min read
SA Harvest report 2019
The South African wine grape harvest 2019 has hit a record low, largely due to the preceding drought and fluctuating weather conditions during the season. Winemakers are, however, positive about the quality of this year’s vintage.
By Johannes Richter · 6 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
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
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
