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Neonectria coccinea

Beech bark disease

Description

The bark is infected through wounds. Black tarry spots and orange-reddish fruiting bodies of the fungus are often found in the place of infection. The mycelium causes dying off of the bark and cambium cells. The tree defends itself by forming a callus, thus creating a canker tumor. Leaves above the place of infection are smaller and have symptoms of chlorosis. After girdling, the whole part above the infected place dies off. Attacked trees are necessary to be continuously removed from the stand.

Symptom

Black tarry spots and orange-reddish fruiting bodies of the fungus are often found in the place of infection. Leaves above the place of infection are smaller and have symptoms of chlorosis. 

Tree Species: Beech, Maple

Part of a plant- attacked: Tree trunk, Branch

Pest significance: Very harmful

Pest Category: Fungi

Invasive Species: No

Present in EU: Yes

Last observations

There are a total of 8 observations of the species in the system

Neonectria coccinea Beech bark disease
Viera Kusa
Number of votes: 0
Published: 5.6.2025

Neonectria coccinea Beech bark disease
Viera Kusa
Number of votes: 0
Published: 12.5.2025

Neonectria coccinea Beech bark disease
Alexander
Number of votes: 0
Published: 2.2.2023

Neonectria coccinea Beech bark disease
Alexander
Number of votes: 0
Published: 2.2.2023

Neonectria coccinea Beech bark disease
Jaroslav Mitušina
Number of votes: 0
Published: 17.12.2022