Anthracnose (fungus - Elsinoe ampelina): This disease is often called "birds-eye-rot" because of the circular, sunken, ashy gray, dark-bordered spots on the berries. It attacks fruit stems, leaf veins, petioles, tendrils, and young shoots in addition to the berries. The berry often cracks to the extent of exposing the seed. The disease overwinters in old lesions. Periods of high humidity favor disease development. Fungicides used for black rot will help prevent this problem.

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