Black wattle bark with symptoms of gummosis
Photo Gallery
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P. frigida symptoms 3  |
P. siskiyouensis canker on Italian alder  Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangia in water, showing subsporangial elongation. Bar is 20 µm. |
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P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
P. pseudotsugae colony morphology on PDA  P. pseudotsugae colony growth on PDA agar |
P. cambivora symptoms  Bleeding canker, European beech, OSU campus |
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P. alni sporangia  Non-papillate sporangia of P. alni showing nested proliferation. |
Growth morphology on V8 of P. lateralis  Colony morphology on V8 at 14 days |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
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P. pinifolia colony morphology on V8  Colony morphology of P. pinifolia at 20°C on V8 after 3 weeks. From Duran et al. 2008 |
Dead Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees along road |
P. lateralis on Port Orford cedar  Bole lesion on Chaemacyparis lawsoniana in Lopérec, France |