Production

Cool Climate Viticulture

Cool Climate Viticulture

For two and a half weeks I had the privilege to visit regions in Canada and New York State. I would like to share this experience first by focussing on the cool climate regions of Canada and thereafter in part 2 on the New York State regions. The experience enriched...
Vine Improvement and Availability of Plant Material

Vine Improvement and Availability of Plant Material

1. HISTORICAL PERSPECTIVE In the sixties KWV realised that South African wines could only be improved by improving the condition of our vineyards. The driving force behind this conviction was the late Mr Beyers Henning, production manager. The average yield was...
November Work Programme 1999

November Work Programme 1999

1. PLANNING AND PREPARATION 1.1. Short-term Visit your nurseryman and inspect the vines which were grafted for you, to ensure they are true to type, and check for growth and absence of disease. Plan the scheduling of irrigation for the various blocks, taking available...
October Work Programme 1999

October Work Programme 1999

PLANNING AND PREPARATION Short-term Plan the scheduling of irrigation of the various vineyard blocks. Usually irrigation is not necessary at this stage and over-irrigation should be avoided. However, the water content of the soil must be sufficient when the flowering...
September Work Programme 1999

September Work Programme 1999

1. PLANNING AND PREPARATION 1.1. Short-term Replace worn parts of the spray pump and calibrate to ensure that the recommended dosages of fungicide and/or insecticide are applied. Order the necessary insecticides and fungicides. Check irrigation equipment and replace...
Dieback Disease in Vines Caused by Eutypa Lata

Dieback Disease in Vines Caused by Eutypa Lata

Eutypa lata, better known as dieback disease, occurs in all the wine-growing countries in the world. It has a broad host range and also occurs on various tree species. In South Africa it is a problem on vines in particular, as well as apricot and peach trees, where it...
Progress with Virus Research on Vines

Progress with Virus Research on Vines

A variety of virus diseases, for example leafroll, stem grooving, corky bark, fanleaf and fleck occur on vines. From an economic point of view, leafroll is probably the most important virus disease in South African vineyards due to its increasing occurrence and effect...