P. nicotianae overview of sporangia 40x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands)
Photo Gallery
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P. nicotianae sporangia  |
Dead Port Orford Cedar  Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon |
P. austrocedrae - sporangia  Sporangium with distorted shape, photo from Q-bank, used with permission. |
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P. austrocedrae - Mal del ciprés in Argentina  Mal del ciprés looking toward Rio Grande, Chubut Province, Argentina |
P. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
P. cambivora sporangium with nested proliferation  Empty sporagia showing internal nested proliferation |
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P. alni subsp alni sporangium  Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand heavily impacted by root and collar rot caused by P. alni |
P. katsurae oogonium  Warty protuberances on oogonium |
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P. austrocedrae necrotic lesion in phloem  P. austrocedrae - necrotic lesion in phloem |
P. agathidicida oospores  Oospores of P. agathidicida in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide, before being stained with Trypan Blue |
P. cambivora disease symptoms  Dead and dying chinquapin infected with P. cambivora |