Asymmetrical sporangium, photo from Q-bank, used with permission
Photo Gallery
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P. kernoviae sporangium  |
P. cryptogea sporangia  Sporangiophore showing internal proliferation through empty sporangia after zoospore release |
P. katsurae oogonium  Warty protuberances on oogonium |
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P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
P. chlamydospora colony morphology on carrot agar  P. chlamydospora colony morphology on carrot agar |
P. nicotianae hyphal swelling  P. nicotianae hyphal swellings in water 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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Basal canker on Port Orford Cedar stump  |
P. nicotianae colony morphology on PDA  Phytophthora nicotianae CBS 321.49 PDA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata with an elongated neck or beak. |
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P. pinifolia on Pinus radiata  Pinus radiata needles, note “black line” symptom near needle bases |
P. frigida oogonium  Oogonium and oospore with amphigynous antheridium |
P. ramorum colony morphology on PDA  P. ramorum colony morphology on PDA |