A Guide to Grapevine Abnormalities in South Africa - P.G. GOUSSARD

Shiraz disease.

PHOTO 224. A typical example of the onset of Shiraz disease in small groups of adjacent grapevines in a particular row.

PHOTO 225. Characteristic of Shiraz disease is the floppy appearance of affected grapevines which accentuates the impression of smaller grapevines (February 2005).

148 • A Guide to Grapevine Abnormalities in South Africa