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Phytophthora Research and Consultancy



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

Phytophthora Picture Gallery - Oak decline, Bild oak2.jpg

Oak 2: Declining mature pedunculate oaks (Q. robur) showing different levels of crown dieback and chlorosis (specific symptom on calcaric soils due to advanced fine root destructions caused by P. citricola and P. quercina).

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