This is an information by Dr. rer. silv. Thomas Jung expert for Phytophthora, forest and tree diseases and nurseries
http://www.tree-diseases.com

Diagnosis | Tree assessment | Control | Phytophthora Consulting

Phytophthora Picture Gallery - Oak decline

Oak 6: Stripe canker on mature pedunculate oak (Q. robur) caused by P. gonapodyides.

Picture 6 of 17