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

Wind damage.

PHOTO 395. In this instance severe wind damage is associated with fraying of leaves and damage to vascular tissue in shoots and petioles – as a result of chafing/rubbing against foliage wires.

PHOTO 396. An example of wind damage that may damage young shoots and petioles and dry out leaf edges.

254 • A Guide to Grapevine Abnormalities in South Africa