From Mycol.Res 109, 853-859; growth on CA under different conditions
Photo Gallery
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P. kernoviae colony morphology  |
P. frigida chlamydospore  Globose chlamydospores of P. frigida |
P. agathadicida disease symptom  Excavated lesion, with outer bark removed showing extent of disease-front |
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P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
P. austrocedrae - Mal del ciprés, stages of decline  Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
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P. austrocedrae - sporangia drawings  Phytophthora austrocedrae. Morphology of sporangia. Bar: 25 mm. Greslebin et al. 2007 |
P. megakarya chlamydospore 
Terminal chlamydospore of P. megakarya
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P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |
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Basal canker on Port-Orford cedar  Basal canker on Chamaecyparis lawsoniana |
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). |
P. siskiyouensis sporangia  Sporangia showing a variety of shapes and orientations of semi-papillae and sporangiophores |