Hennie Visser

Grapevine fanleaf virus is considered one of the damaging grapevine viruses and has a notable impact on the lifespan, yield and fruit quality of the vine. Consequently, the fanleaf virus has a major economic impact on the wine industry.

Carbohydrate reserves in the grapevine play a critical role in various physiological processes. It affects the vine’s overall health, development, growth and ultimate yield.

The use of certain winter weeds as cover crops appears to be a pragmatic alternative for cultivation regions with erratic winter rainfall.

The decision to saw back and renew a vineyard requires thoughtful consideration. In certain cases, the inputs required for renewal are not justified by the likely outcome.