Production

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...
August Work Programme 1999

August Work Programme 1999

1. PLANNING AND PREPARATION 1.1. Short-term Make sure that the fertiliser disperser is calibrated and in good working order. Identify the problem weeds in the vineyard in order to apply the correct herbicide program. Replace worn parts of the spray pump and calibrate...
July Work Programme 1999

July Work Programme 1999

1. PLANNING AND PREPARATION 1.1 Short-term Determine the quantity of fertiliser required by making use of the results of soil analyses per block as well as block productions and growth of the vines. Order the required quantity of fertiliser for delivery in early...
June Work Programme 1999

June Work Programme 1999

1. PLANNING AND PREPARATION 1.1 Short-term Check tractors and implements and replace worn parts. Check the spray pumps used for the application of herbicides and calibrate once more to make sure of their output. Read article “Effektiewe toediening van...