Phytophthora root rot is a serious disease of Fraser fir and other Christmas trees in North Carolina caused by Phytophthora cinnamomi and other species of Phytophthora.
CTN 22: Management of Phytophthora Root Rot in Fraser Fir Christmas Trees - biology, symptoms, and reducing the risk of Phytophthora root rot
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CTN 22: Management of Phytophthora Root Rot in Fraser Fir Christmas Trees - biology, symptoms, and reducing the risk of Phytophthora root rot
Scouting for Diseases - including Phytophthora root rot
PP318 - Forest Pathology: Phytophthora Root Rot of Fraser fir - hosts, characteristics, symptoms, and occurrence of Phytophthora root rot
Phytophthora cinnamomi - isolation, identification and epidemiology of Phytophthora cinnamomi, the primary causal agent of Phytophthora root rotPhoto Gallery
trees dying from Phytophthora root rot
wilted tree
pulling apart root system
Cutting into trunk
getting root rot sample