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

Leafroll.

PHOTO 202. The grotesque onslaught of leafroll is portrayed by the induction of characteristic leaf abnormalities in Chardonnay.

PHOTO 203. Characteristic of leafroll are smaller, fewer and looser bunches accompanied by delayed berry colouration and ripening, and lower sugar concentrations. Note the presence of mealybug in this visually heavily infected Roobernet grapevine.

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