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

Leafroll.

PHOTO 196. Late leaf drop is usually associated with leafroll.

PHOTO 197. Typical of leafroll in red grape cultivars is an intravenous reddening of leaf tissue with green-coloured primary and secondary veins – accompanied by a downward curling of leaf edges.

130 • A Guide to Grapevine Abnormalities in South Africa