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

Leafroll.

PHOTO 204. Example of a bunch (left) after material from this Roobernet grapevine (Photo 203) was subjected to virus elimination. In this photo, bunch examples before virus elimination are shown on the right.

PHOTO 205. The effect of leafroll on the “shrinking” of infected grapevines (Photo 203) is illustrated in this Roobernet grapevine.

134 • A Guide to Grapevine Abnormalities in South Africa