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

Enation.

PHOTO 250. Typical of enation is the occurrence of delayed bud burst and shoot growth in conjunction with a witche’s broom format, which is busy taking shape in this example.

PHOTO 251. A characteristic witche’s broom appearance in this fully grown Sauvignon blanc grapevine (Languedoc-Roussillon region in the south of France) is associated with the presence of enation associated virus(es).

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