Oak Wilt

Definition

A vascular disease of oak trees caused by the fungus *Bretziella fagacearum*, transmitted by insects.

Etymology

From 'oak' (the host tree) and 'wilt', referring to the wilting of affected foliage.

Example

Oak wilt can cause rapid death of oak trees, often appearing as sudden wilting and discoloration.

Related Terms

• Bretziella fagacearum
• Fungus
• Insect vectors

Usage Notes

Oak wilt is a serious threat to oak populations and can spread rapidly through forests.