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Results for “solar exposure”
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Sunscreen for Sauvignon blanc
Two research groups investigated the effect of kaolin application on Sauvignon blanc vines and its impact on the vine physiology and grapes produced.
By Carien Coetzee · 6 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
New sensor tool for vineyard irrigation management beta tested in California
FloraPulse micro-tensiometer sensor is designed to continuously measure stem water potential in a grapevine trunk. (Photo by Ted Rieger)
By Anton Pretorius · 6 min read
Grape flavan-3-ol and anthocyanin composition under altered light and temperature conditions in Cabernet Sauvignon (Part 3)
This study aimed to investigate flavan-3-ol and anthocyanin evolution and composition under altered microclimatic conditions in Cabernet Sauvignon grown in the
By Erna Blancquaert · 8 min read
Trellis effects on wine composition (Part 1): Background
Trellising systems are driving the mechanisms that alter canopy microclimates, consequently affecting yield and quality of grapes.
By Astrid Buica, Valeria Panzeri & Hilaria Iipinge · 7 min read
Let your terroir guide your farm planning
Detailed scientific information about your farm’s soil, climate and terrain (natural terroir resources) is a skilled viticulturist’s essential decision support tools, and should not be omitted during farm planning.
By Heinrich Schloms · 7 min read
The influence of climate change on the potassium, pH and total acidity of wines
Over recent decades, the alcohol concentration of wines increased due to the higher sugar concentration of grapes when harvested. This also led to an increase in pH and a decrease in the total acid concentrations of wines.
By Charl Theron · 4 min read
Treated municipal wastewater for irrigation (Part 3): Yield and juice characteristics
This study’s objective was to assess long-term irrigation sustainability with treated municipal wastewater (TMW) on grapevine yield and juice characteristics in the latter part of a field trial in commercial vineyards in the Coastal region of the Western Cape, South Africa.
By Carolyn Howell, Karla Hoogendijk, Philip Myburgh, Vink Lategan & Eduard Hoffman · 18 min read
Watt's up with row direction?
Not long ago, our CEO popped into my office with a challenge: help figure out the best row direction for a new vineyard block for a top wine estate.
By Heinrich Schloms · 4 min read
Irrigation strategy and trellis system (Part 3): Juice and wine characteristics
The primary objectives of the study were to determine during what stage(s) Pinotage per se is sensitive to water deficits, the most suitable irrigation strategy when water restrictions are imposed during periodic droughts, and if more grapes can be produced with the same volume of irrigation water…
By Carolyn Howell · 19 min read
