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

Drought.

PHOTO 413. An example of serious damage to this bushvine, caused by persistent drought conditions – including considerable sunburn damage to exposed bunches in reaction to premature loss of leaves.

PHOTO 414. Characteristic drought-associated abnormalities are illustrated by these grapevines that are cultivated under rift conditions.

264 • A Guide to Grapevine Abnormalities in South Africa