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

Fanleaf.

PHOTO 167. Leaf deformation (Photo 166) is obvious here in Cabernet Sauvignon. Note the absence of discolourations in the form of chlorotic spots.

PHOTO 168. A typical example of severe leaf deformation, diminishing and discolouration in Chardonnay in reaction to fanleaf infection.

114 • A Guide to Grapevine Abnormalities in South Africa