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

Downy mildew.

PHOTO 43. The occurrence of downy mildew after berry set.

PHOTO 44. In conjunction with young berries being wiped out (Photo 43), obvious browning of the bunch framework is visible here.

A Guide to Grapevine Abnormalities in South Africa • 35