P. alni basal canker on European Alder (Alnus glutinosa)
Photo Gallery
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P. alni basal canker on European Alder  |
Black pod disease of cacao caused by P. palmivora  Black pod of cacao in Ecuador caused by P. palmivora (see lesioned fruit on left). |
P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
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P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
P. ramorum sporangium  Deciduous sporangium, photo from Q-bank, used with permission |
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. austrocedrae semipapillate sporangium  P. austrocedrae - semipapillate sporangium with off-center attachment. |
Dead and healthy Port-Orford cedar trees  Chamaecyparis lawsoniana trees |
P. cambivora colony morphology on PDA  Rosaceous colony morphology at 14 days at 20°C on PDA |
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P. pseudotsugae paragynous oogonium  P. pseudotsugae oogonium with paragynous antheridia, note the disrupted contents of the abortive oogonia |
P. siskiyouensis colony morphology on V8  Colony morphology on V8 at 14 days |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings on agar |