Disease Directory

    Coral Spot

    Nectria cinnabarina

    Fungus
    Stems

    Overview

    A common fungal disease of woody plants that typically enters through dead wood or wounds, producing distinctive salmon-pink to coral-red cushion-like fruiting bodies on dead branches.

    Symptoms

    Salmon-pink to coral-red, cushion-like fruiting bodies (1-2mm) on dead bark and branch stubs. Branch dieback. Cankers on living wood in stressed plants. May cause death of small branches.

    Environmental Conditions

    Humid

    Prevention

    Remove dead wood promptly. Make clean pruning cuts. Avoid leaving branch stubs. Maintain plant vigor. Avoid wounding bark.

    Management

    Prune out dead and infected branches well below visible symptoms. Remove dead wood from the ground. Improve plant vigor. No chemical treatment usually necessary.