Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk
Photo Gallery
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P. siskiyouensis canker on Italian alder  |
P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |
P. chlamydospora colony morphology on carrot agar  P. chlamydospora colony morphology on carrot agar |
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Austrocedrus associated with Mal del ciprés.  Austrocedrus with basal resin flow associated with Mal del ciprés. |
P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
P. nicotianae sporangia  P. nicotianae overview of sporangia 40x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
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P. cambivora sporangium with internal extended proliferation  Empty sporagia showing internal nested and extended proliferation |
P. frigida symptoms 3  Black wattle bark with symptoms of gummosis |
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 |
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P. cambivora colony morphology on MA  Appressed stellate colony morphology at 14 days at 20°C on MA |
P. pinifolia hyphal growth  P. pinifolia pathogen growing from infected needle on selective agar |
Chlamydospore of P. lateralis  Laterally intercalary chlamydospore of Phytophthora lateralis |