Empty sporagium showing sympodial proliferation
Photo Gallery
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P. cambivora sporangium with sympodial proliferation  |
Basal canker on Port Orford Cedar stump  |
P. agathidicia oogonia  Light micrograph of P. agathidicida oospore (Scale bar equals 15 µm) |
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P. megakarya chlamydospore 
Terminal chlamydospore of P. megakarya
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Comparative gametangial morphology of Phytophthora Clade 5 species  Comparative gametangial morphology of Phytophthora Clade 5 species, with SEM (top) and light microscopy (bottom). P. heveae has smooth walled oogonia with funnel-shaped, amphigynous antheridia. P. agathidicida has mildly stipulate oogonia with globose amphigynous antheridia. P.cocois has mildly bullate oogonia with reflexed amphigynous antheridia. P. castaneae has coarsely bullate oogonium with rugose protuberances and narrow amphigynous antheridia (Weir et al. 2015). |
P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
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P. ramorum bleeding canker  Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings on agar |
P. alni in alder forest, Germany, with T. Jung  P. alni in alder forest, Germany, with T. Jung |
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P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
P. ramorum canker  Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
P. cambivora disease symptoms  Ink disease impact in sweet chestnut forest in Italy |