Hyphal swelling photo used with permission from Q-bank
Photo Gallery
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P. austrocedrae hyphal swellings |
Growth of P. megakarya on corn meal agar
Growth of P. megakarya on corn meal agar |
P. frigida symptoms 3 Black wattle bark with symptoms of gummosis |
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P. pinifolia on Pinus radiata Pinus radiata dead needles caused by DFP with healthy new growth from DFP |
P. chlamydospora chlamydospore Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm. |
P. pluvialis symptoms on Douglas-fir Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
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P. austrocedrae - Mal del ciprés, stages of decline Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
Dead Port Orford Cedar Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon |
P. pinifolia on Pinus radiata Pinus radiata needles, note “black line” symptom near needle bases |
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P. pseudosyringae colony morphology on V8 Colony morphology on V8 at 14 days |
P. pluvialis symptoms on Douglas-fir needles Symptoms of red needle cast on Douglas-fir needles |
P. pseudosyringae sporangia Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |


