Phytophthora Picture Gallery - Beech decline

Beech 16: Mature declining beech (F. sylvatica) tree in a mixed mountain forest with active (white finger) and inactive one-year-old (red fingers; cracking of bark) aerial bleeding cankers caused by P. citricola; bark with 2-years-old necroses is already shed away (blue finger).

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Picture 16 of 28