Production

Mechanisation in the Paarl Area

The main areas in the viticultural industry where mechanisation is possible, are: Harvesting Foliage management Planting (vine and trellis system) Pruning (shoot removal only or fully mechanised) The mechanisation of harvesting and foliage management can be...

Summary of Cost of various Trellising Systems

Summary of Cost of various Trellising Systems J L TRUTER AND P C BOTHA Agricultural Economists – VinPro (SA) Consultation Services ROW WIDTH POLE LENGTH 2.1m 2.5m 2.75m 3.0m 3.3m TRELLIS SYSTEM 47 rows 40 rows 36 rows 33 rows 30 rows Rand/ha Rand/ha Rand/ha...
Work Programme – April 1999

Work Programme – April 1999

1. PLANNING AND PREPARATION 1.1 Short-term Study your block records and decide which blocks should be replaced. Decide on cultivars and rootstock in consultation with your cellarmaster and/or viticultural advisor. Block project: Give your crop particulars to your...
Shiraz Disease: Symptoms and Management

Shiraz Disease: Symptoms and Management

Shiraz Disease apparently occurs in South Africa only and causes deterioration in the cultivars Shiraz, Merlot and Malbec. The disease is graft-transmissible, but natural transmission has previously been reported (Engelbrecht and Kasdorf, 1990). The disease may be...

Enzymes involved in wine production (Part 3)

In this third article about enzymes involved in wine production we look more specifically at the industrial enzyme preparations, as well as possible new enzyme applications.   INDUSTRIAL ENZYME PREPARATIONS As mentioned, the endogenous enzyme activities of grapes...
Flavourful Nitrogen-containing Wine Constituents

Flavourful Nitrogen-containing Wine Constituents

Wine is a complex composition of, inter alia, more than 800 volatile constituents. Some are derived from the grapes, while others are formed during fermentation or maturation. The aroma or flavour of wine is probably the most important aspect of the enjoyment and...
Pinotage Research

Pinotage Research

Dr Johann Marais is Pinotage research co-ordinator for the Pinotage Association. The Pinotage Association’s annual Stellenbosch workshop was held at Doornbosch on Tuesday 27 October 1998. Research forms an important part of the Association’s drive to...
February Work Programme 1999

February Work Programme 1999

1. PLANNING AND PREPARATION 1.1 Short-term Consult the winemaker of your co-operative about the grading system requirements for particular cultivars. Determine the degree of ripeness of the grapes of the various blocks and plan harvesting accordingly. (See Wynboer...