Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission.
Photo Gallery
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P. pinifolia colony morphology on PDA  |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. pinifolia on Pinus radiata  Pinus radiata needles, note “black line” symptom near needle bases |
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P. pluvialis symptoms on Douglas-fir  P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
P. agathidicida growth on MEA  Diffuse, non-patterned, colony morphology of ICMP 16471 (the original “Gadgil isolate”) after 10-days incubation at 20°C in the dark |
P. megasperma sporangium  Ovoid, non-papillate sporangia |
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P. pinifolia sporangium  Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
P. lateralis on Port Orford cedar  Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France. |
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. cambivora sporangium  Ovoid non- papillate sporangia |
P. pinifolia sporangium  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |