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

Sour rot.

PHOTO 93. The culmination of sour rot with berries drying out and becoming void, leaving nothing but dry skins with seeds.

PHOTO 94. Although most berries on this bunch reveal typical desiccation associated with sour rot, characteristic blue-green moulds also show subtle ingress.

66 • A Guide to Grapevine Abnormalities in South Africa