Oogonium with paragynous antheridium in agar
Photo Gallery
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P. pseudosyringae oogonium  |
P. austrocedrae colony morphology on Tomato juice agar with B sitosterol  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar with B sitosterol |
Vehicle washing  Truck washing to avoid spread of P. lateralis |
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P. cryptogea sporangia  Sporangiophore showing internal proliferation through empty sporangia after zoospore release |
P. kernoviae oogonia  Mycol.Res 109, 853-859; Representative oogonia, antheridia and thick walled plerotic oospores of Phytophthora kernoviae. |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
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Growth of P. arenaria on MEA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on malt extract agar |
P. ramorum chlamydospores  P. ramorum chlamydospores |
P. tentaculata disease symptoms on California mugwort  Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot |
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P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. cambivora coralloid hyphae  Coralloid hyphae with hyphal swelling-like structures |
Phytophthora taxon Agathis bole canker  Canker on a Kauri tree, New Zealand |