Looping hyphae commonly seen with P. tentaculata on PARP media
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P. tentaculata hyphae  |
P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
P. siskiyouensis canker on Italian alder  Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk |
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P. palmivora oogonium  P. palmivora oogonium |
P. katsurae oogonium  Micrograph of warty oogonium |
P. cambivora sporangium with internal extended proliferation  Empty sporangia showing internal extended proliferation |
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P. agathidicida lesion on kauri tree  Gum oozing out of longitudinal lesion |
P. palmivora colony morphology on V8  Growth of P. palmivora on V8 agar |
P. siskiyouensis colony morphology on PDA  Colony morphology on PDA at 14 days |
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P. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |
Phytophthora taxon Agathis bole canker  Canker on a Kauri tree, New Zealand |
P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |