Red needle cast symptoms on Douglas-fir in western Oregon, 2015
Photo Gallery
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P. pluvialis symptoms on Douglas-fir  |
P. boehmeriae chlamydospore  Globose chlamydospore of P. boehmeriae |
P. kernoviae sporangium  Papillate and caducous sporangium, photo from Q-bank, used with permission |
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P. cambivora colony morphology on MA  Rosacous colony morphology at 14 days at 20°C on MA |
P. pinifolia colony morphology on V8  Colony pattern after 7 days on V8 at 24C, photo from Q-bank, used with permission |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |
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P. siskiyouensis disease symptoms on Italian alder  Grove of dying trees in a commercial landscape in Foster City, CA |
P. pinifolia on Pinus radiata  Pinus radiata impacted by DFP, note healthy new growth |
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. chlamydospora colony morphology on carrot agar  P. chlamydospora colony morphology on carrot agar |
P. lateralis on Port Orford cedar  Bole lesion on Chaemacyparis lawsoniana in Lopérec, France |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata with an elongated neck or beak. |