Port-Orford-cedar seedlings planted to test for Phytophthora lateralis resistance at the Dorena Genetic Resource Center
Photo Gallery
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Dead and healthy Port-Orford cedar seedlings  |
Dead Port Orford Cedar  Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon |
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. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note that frequently only the lower part of the crown is affected. |
P. alni subsp alni sporangium  Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
P. siskiyouensis bleeding canker  Close-up of margin area of bole lesions under the bark of a bleeding canker |
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Port Orford cedar seedlings  Raised beds for testing disease resistance of Port-Orford-cedar seedlings at the Dorena Genetic Resource Center |
P. katsurae growth morphology on β-CMA  Growth morphology at 7 days on β-CMA |
P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |
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P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
P. cambivora colony morphology on PDA  Cottony colony morphology at 14 days at 20°C on PDA |
P. ramorum oogonium  Oogonium with thick oogonial wall, photo from Q-bank, used with permission |