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

Drought.

PHOTO 411. The onset of leaf yellowing and desiccation in this young table grapevine is as a result of drought – a replacement vine in an ampelographic collection grown under dryland conditions.

PHOTO 412. This example illustrates drought induced yellowing and desiccation of leaves, similar to the example in Photo 411. Note the wilted bunch, its berries looking shrunken and shrivelled.

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