P. palmivora colony morphology on PDA
Photo Gallery
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P. palmivora colony morphology on PDA  |
P. pseudosyringae sporangia  Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
P. pinifolia on Pinus radiata needles  Pinus radiata needles, note “black line” symptom near needle bases |
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P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings on agar |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
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P. agathidicia sporangia  Differentiation of the cytoplasm within papillate sporangia into acid fuchsin stained zoospores |
P. austrocedrae oogonia drawing  P. austrocedrae. Morphology of oogonia, oospores and antheridia. Bar: 10 mm. Greslebin et al. 2007 |
P. kernoviae sporangium  Asymmetrical sporangium, photo from Q-bank, used with permission |
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P. pinifolia sporangia  Sporangium with internal proliferation, photo from Q-bank, used with permission. |
P. kernoviae sporangia  Mycol.Res 109, 853-859; Figs 18-22. Regular, ovoid limoniform sporangia. Figs 23-26. Asymmetrical or sporangia |
P. katsurae oogonium  Warty protuberances on oogonium |