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

Sunburn.

PHOTO 405. As in Photo 404 this example is typical of situations where individual berries suffer from direct exposure to sunrays.

PHOTO 406. Severe sunburn damage in Muscat d’Alexandrie as a result of shoots hanging free from the trellis, thereby causing the bunches to be exposed to direct sun.

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