Ovoid, semipapillate sporangia showing medium length pedicel
Photo Gallery
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P. pseudosyringae sporangium  |
P. cryptogea sporangia  Sporangiophore showing internal proliferation through empty sporangia after zoospore release |
P. palmivora oogonium  P. palmivora oogonium |
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P. chlamydospora colony morphology on carrot agar  P. chlamydospora colony morphology on carrot agar |
P. cambivora sporangium with internal extended proliferation  Empty sporagia showing internal nested and extended proliferation |
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). |
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P. cactorum colony morphology on V8  Colony morphology on V8 at 14 days |
P. cambivora symptoms  Dead beech in Germany |
P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |
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P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot. |
P. cinnamomi cork oak decline  Red oak with embedded lesions, France |
P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |