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

Erinose.

PHOTO 328. A characteristic example of white, hairy growths occurring with galls on the upper sides of leaves – a situation that is usually associated with severe erinose infestation.

PHOTO 329. In the absence of obvious individual galls, the white growth on leaf edges (which start curling downwards) indicates severe erinose damage to this young shoot during the early part of the growing season.

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