Ovoid non-papillate sporangia in water.
Photo Gallery
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P. cryptogea sporangium  |
P. arenaria disease symptoms on Banksia landscape  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 |
P. pinifolia sporangium  Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
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Phytophthora taxon Agathis bole canker  Kauri tree in New Zealand with disease symptoms |
Growth of P. arenaria on V8  Colony morphology of Phytophthora arenaria after 7 days at 20°C on V8 agar |
P. kernoviae leaf wilt  Necrosis of rhododendron leaves. |
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P. cryptogea sporangium  Obpyriform non-papillate sporangia in water |
P. agathidicia sporangia  Differentiation of the cytoplasm within papillate sporangia into acid fuchsin stained zoospores |
P. katsurae oogonium  Warty protuberances on oogonium |
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P. megakarya sporangium  Caducous papillate sporangium of P. megakarya |
P. ramorum colony morphology on PDA  P. ramorum colony morphology on PDA |
P. cambivora oogonium  Bullate oogonium and and two-celled amphigynous antheridium |