A Pinus radiata needle showing black resinous bands or marks consistent with the presence of red needle cast disease.
Photo Gallery
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P. pluvialis on Pinus radiata  |
P. katsurae growth morphology on β-CMA  Growth morphology at 7 days on β-CMA |
P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm. |
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P. cambivora colony morphology on PDA  Rosaceous colony morphology at 14 days at 20°C on PDA |
P. lateralis on Port Orford cedar  Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France |
P. palmivora sporangia
 P. palmivora caducous papillate sporangia
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P. lateralis on Port Orford Cedar  Horticultural planting of Port-Orford cedar, photo from USDA Forest Service, Dorena Genetic Resource Center |
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. austrocedrae colony morphology on Tomato juice agar  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar |
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P. austrocedrae - sporangia  Sporangium with distorted shape, photo from Q-bank, used with permission. |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |