Recognize and treat diseases

Diseases and pests on hornbeam hedges

The most common occurrences are:

• mildew
• Leaf spot fungus
• Hornbeam spider mite

Recognize and treat powdery mildew

A whitish coating can be seen on the top and bottom of the leaves. The leaves roll up and show yellowish spots.

Powdery mildew is favored by drought. Make sure that the hornbeam hedge is neither too dry nor too damp.

Cut off affected shoots. If the infestation is mild, you can try spraying the affected leaves with diluted milk. If the infestation is severe, only a fungicide from a specialist dealer will help.

Symptoms and treatment of leaf spot fungus

Assign the leaves brown spots with a light center, it is an infestation by leaf spot fungus, which can also appear on young leaves.

A location that is too humid or too dry can be considered as the cause. Water more often when it is dry.

Cut off all infected parts and discard them. If the fungus occurs frequently, there is a spray that you can use as a preventative measure.

Recognize and treat hornbeam spider mites

First of all, small spots can be seen on the upper side of the leaves, which enlarge and eventually lead to the leaf falling off. The leaves are covered with a fine net when the infestation is severe.

Here, too, cutting the infected leaves helps. Since the hornbeam spider mite can cause great damage, the use of special pesticides must be considered.

prevent diseases

The best way to prevent disease and pest infestation is to do it regularly Cutting the hedge.

The lower regions of the hornbeam hedge must also be thinned out. This gives the plants better ventilation and prevents pests and fungi from spreading as much.

Infested leaves must not be left lying around, but must be disposed of in the rubbish bin.