P. pinifolia pathogen growing from infected needle on selective agar
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P. pinifolia hyphal growth  |
P. austrocedrae colony morphology on Tomato juice agar with B sitosterol  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar with B sitosterol |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
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P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. cambivora colony morphology on PDA  Uniform fluffy colony morphology at 14 days at 20°C on PDA |
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P. megakarya sporangia (photo from Q-bank, used with permission).  P. megakarya sporangia |
P. arenaria disease symptoms on Banksia  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |
P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
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P. pinifolia sporangium  Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
P. kernoviae sporangia  Mycol.Res 109, 853-859; Figs 18-22. Regular, ovoid limoniform sporangia. Figs 23-26. Asymmetrical or sporangia |