Empty sporangia showing internal extended proliferation
Photo Gallery
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P. cambivora sporangium with internal extended proliferation  |
P. tentaculata oogonia and antheridia  Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |
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P. austrocedrae colony morphology on CMA  Colony morphology of P. austrocedrae at 16ºC after 4 weeks on CMA |
P. arenaria oogonium  Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm |
P. cambivora sporangium  Ovoid non- papillate sporangia |
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Phytophthora cactorum disease symptoms on English walnut  Mortality of Juglans regia caused by Phytophthora cactorum. |
P. katsurae oogonium  Warty protuberances on oogonium |
P. megasperma colony morphology on V8  Colony morphology on V8 at 7 days |
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P. megasperma sporangium  Ovoid, non-papillate sporangia |
P. agathidicia growth on V8  Colony morphology of ex-holotype ICMP 17027 after 10-days incubation at 20°C in the dark |
P. arenaria disease symptoms on Banksia  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |