Mature, riparian common alder (A. glutinosa) stand heavily impacted by root and collar rot caused by P. alni
Photo Gallery
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P. alni symptoms on European Alder  |
P. cambivora sporangium with sympodial proliferation  Empty sporagium showing sympodial proliferation |
P. nemorosa colony morphology on V8  Colony morphology on V8 at 14 days |
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P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |
P. pluvialis sporangium  Sporangia showing typical ovoid shape and semi-papillate condition |
P. palmivora oogonium  P. palmivora oogonium |
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P. palmivora chlamydospore  Terminal chlamydospore of P. palmivora |
P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
P. frigida chlamydospore  Globose chlamydospores of P. frigida |
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P. austrocedrae - sporangia  Sporangium with distorted shape, photo from Q-bank, used with permission. |
Phytophthora taxon Agathis bole canker  Canker on a Kauri tree, New Zealand |
Growth morphology on V8 of P. lateralis  Colony morphology on V8 at 14 days |