Damage caused by fungi, bacteria and viruses

Fungi, bacteria and viruses can cause devastating damage. SLU conducts research on the most economically and ecologically important pests in Swedish forests.

Dead elm and ashes. Photo.

Elm and ash 30 years BK

A large proportion of elm and ash stands in southern Sweden have been severely affected by two introduced fungal diseases, Dutch elm disease and ash dieback, over the past 30 years.