P. austrocedrae - semipapillate sporangium with off-center attachment.
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P. austrocedrae semipapillate sporangium  |
Growth of P. megakarya on V8 agar  Growth of P. megakarya on V8 agar |
Basal canker on Port Orford Cedar stump  |
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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) |
P. siskiyouensis canker on Italian alder  Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues |
P. cambivora sporangium with internal extended proliferation  Empty sporangia showing internal extended proliferation |
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P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. kernoviae colony morphology on V8  Colony morphology at 7 days at 18°C on V8, photo from Q-bank, used with permission. |
P. ramorum colony morphology on PDA  P. ramorum colony morphology on PDA |
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Growth of P. palmivora on CMA  Growth of P. palmivora on corn meal agar |
P. kernoviae oogonia  Mycol.Res 109, 853-859; Representative oogonia, antheridia and thick walled plerotic oospores of Phytophthora kernoviae. |
P. agathidicia oogonia  Light micrograph of P. agathidicida oospore (Scale bar equals 15 µm) |