Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany
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P. cambivora tar spots  |
P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm. |
P. cactorum colony morphology on V8  Colony morphology on V8 at 14 days |
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P. lateralis on Port Orford cedar  Collar lesion on Chaemacyparis lawsoniana in Landrévarzec, France |
P. cambivora colony morphology on PDA  Colony morphology on PDA at 14 days |
P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
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P. pinifolia hyphal swellings  Spherical hyphal swelling with radiating hyphae (from Duran et al. 2008). Scale bar = 20 μm. |
Phytophthora chlamydospora sporangium  Phytophthora chlamydospora sporangia in water, showing internal proliferation. Bar is 20 µm. |
P. kernoviae oogonia  Oogonium with amphigynous antheridia, photo from Q-bank, used with permission |
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P. cambivora colony morphology on MA  Appressed stellate colony morphology at 14 days at 20°C on MA |
P. lateralis on Port Orford cedar  Bole lesion on Chaemacyparis lawsoniana in Lopérec, France |
P. pinifolia on Pinus radiata needles  Pinus radiata needles, note “black line” symptom near needle bases |