Oak »Recognizing diseases and treating them successfully

Most common diseases

The oak tree can suffer from many diseases, the most common of which are:

• Oak fire sponge
• Oak powdery mildew
• cancer
• Bark brandy

Oak fire sponge

This fungal pathogen has it particularly easy if the tree is already weakened due to a wrong location or insufficient care. The fruiting body formed on the trunk also makes its absence externally visible. If you try to remove it, you will also damage the tree in the process.

Give the infested oak additional nutrients so that it regains its strength. This prevents the fungus from spreading any further.

Oak powdery mildew

This fungal disease prefers young trees and young ones Oak leaves. Of the most common in this country Oak species The common oak is the most prey to this disease.

• Leaves turn whitish
• look like powder coated
• they roll up at some point
• become dry and fall off

Collect fallen leaves and dispose of them with household waste. Strengthen the tree by providing it with a good supply of moisture and nutrients.

cancer

Young and old oak trees can be equally affected by this fungal disease. There are discolorations and growths on the trunk.

• cut out affected areas
• down to healthy wood
• Burn cut off or dispose of safely
• Treat wounds with balm

Young trees may not have developed enough resilience and will die despite these measures.

Bark brandy

Bark blight is also a fungal disease that can show itself differently depending on the location of the infection:

• on the bark of young shoots there are yellow-brown necroses
• fruit bodies are formed
• also the tribe can be infested
• then the conduction pathways are also affected
• the supply of the tree is no longer running smoothly
• Leaves and shoots lying above die off