Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany
Photo Gallery
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P. cambivora tar spots  |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
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P. pluvialis on Pinus radiata in New Zealand  Lesions consistent with the presence of red needle cast disease are more abundant at the base of Pinus radiata needles as indicated by the arrow. |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. ramorum colony morphology on PDA  P. ramorum colony morphology on PDA |
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P. ramorum canker  Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
P. agathidicida sporangium  Globose to ovoid-ellipsoid, papillate sporangium |
P. cambivora colony morphology on V8  Colony morphology on V8 at 14 days |
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P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
P. ramorum chlamydospores  P. ramorum chlamydospores |
P. pseudotsugae amphigynous oogonium  P. pseudotsugae oogonium with amphigynous antheridia |