Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium.
Photo Gallery
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P. alni oogonium  |
P. megasperma sporangium  Ovoid, non-papillate sporangia |
P. austrocedrae - Mal del ciprés, stages of decline  Mal del ciprés, stages of decline |
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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 |
P. pseudotsugae amphigynous oogonium  P. pseudotsugae oogonium with amphigynous antheridia |
P. cambivora colony morphology on PDA  Appressed colony morphology at 14 days at 20°C on PDA |
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Growth of P. megakarya on PDA  Growth of P. megakarya on potato dextrose agar |
P. boehmeriae oogonium  Oogonia and oospores with amphigynous antheridia |
Basal canker on Port-Orford cedar  Basal canker on Chamaecyparis lawsoniana |
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Phytophthora taxon Agathis bole canker  Kauri tree in New Zealand with disease symptoms |
P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
P. pinifolia on Pinus radiata  Pinus radiata dead needles caused by DFP with healthy new growth from DFP |