Typical ovoid papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract
Photo Gallery
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P. arenaria sporangia  |
P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
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P. katsurae growth morphology on β-CMA  Growth morphology at 7 days on β-CMA |
P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note the reddish appearance of affected trees prior to needle drop. |
P. cambivora oogonium  P. cambivora oogonium with antheridium |
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P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |
P. ramorum Dieback and shoot blight on Grand fir  Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis |
P. pseudosyringae hyphal swellings  Sub-globose hyphal swellings in water |
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P. kernoviae colony morphology on CMA PARPH  Organism grown on CMA PARP[H]; Plant disease 70, 1038-1043 |
P. lateralis sporangia  Sporangia of P. lateralis showing internal and external proliferation |
P. pluvialis colony morphology on carrot agar  Colony morphology on carrot agar at 20 days |