Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium.
Photo Gallery
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P. alni oogonium  |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
P. cambivora colony morphology on PDA  Appressed colony morphology at 14 days at 20°C on PDA |
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P. cambivora sporangium with internal extended proliferation  Empty sporangia showing internal extended proliferation |
P. agathidicida lesion on kauri tree  Advancing triangular lesion extending up the trunk of an 80 cm DBH kauri tree in the Huia Dam Site along Twin Peaks Track, Waitakere Regional Park |
P. pluvialis symptoms on Douglas-fir  P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
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Stain from Port Orford Cedar root disease  Stain from Chamaecyparis lawsoniana root disease on the Smith River |
P. katsurae sporangia  Papillate, non-caducous sporangia; photo used with permission from Q-bank |
P. austrocedrae colony morphology on CMA  Colony morphology of P. austrocedrae at 16ºC after 4 weeks on CMA |
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P. pinifolia sporangium  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pinifolia on Pinus radiata  Dead needles on lower side of P. radiata branch. |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |