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

Blue-green moulds (95); sour rot/blue-green/black moulds (96).

PHOTO 95. Blue-green moulds occur on soft berries as raised blue-green pads.

PHOTO 96. The simultaneous occurrence of sour rot and blue-green / black moulds on this bunch which was left on the vine until late in the growing season.

A Guide to Grapevine Abnormalities in South Africa • 67