Dr. Carien Coetzee Basic Wine 29 September 2021 Elemental sulphur (S0) is an effective, durable and economical fungicide for the management powdery mildew in vineyards. The advantage of S0 over alternatives include its low cost, good efficacy, low risk of...
Dr. Carien CoetzeeBasic Wine30 January 2021 Part 2: Viticultural practices and processing Wines with reduced alcohol content can be achieved using different strategies (see Part 1). In Part 2 of this blog series, strategies for the adjustment of...
Dr. Carien CoetzeeBasic Wine27 October 2020 Water stress, due to insufficient water supply, may have direct and/or indirect effects on the physiology of the vine and the composition of the berries. Some of the physiological responses to water stress include1...
Dr. Carien Coetzee Basic Wine 17 October 2020 Grapevine leafroll disease (GLD) is one of the major diseases affecting the grapevine and occurs in all vine-growing regions of the world. Grapevine leafroll-associated virus 3 (GLRaV-3) is the main virus mostly...
Dr. Carien Coetzee Basic Wine 29 October 2019 Methoxypyrazines (MPZ) are odorous compounds responsible for the green pepper, grassy, herbaceous, beans, peas, asparagus and even earthy aromas (collectively referred to as “green”). These compounds derive directly...