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    Farming & Crop Protection Shot hole disease

    Shot hole disease [Stigmina carpophila]

    Loss of yield in rainy springs, and considerable reduction of flower development for the following year.

    overview

    Shot hole disease - image 1

    Shot hole disease - image 1

    Pest Profile

    • About the pest

      Description

      Bleached spots, which later turn reddish, develop on stone fruits (cherries, plums, prunes, and peaches) in the spring. Holes with red edges eventually form, thus giving rise to the characteristic "shot holes". The leaves drop off, the fruits are deformed, and young, slender shoots die back. The fungus overwinters on fruits left hanging on the tree and on twig lesions. The disease is spread by rain.