Identification Symptoms

The symptoms are in the form of irregularly shapedreddish brown spots on the leaves and a black scab on berries.

Occasionally, small elliptical darkcoloured canker lesions occur on the young stems and tendrils. Leaf, cane and tendril The disease attacks the leaves, stem, flowers and berries. All the new growth on the vineis prone to attack during the growing season.

infection canoccur only when the tissue is young, but berries can be infected until almost fully-grown if an activefungicide residue is not present.