Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm
Photo Gallery
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P. arenaria oogonium  |
P. austrocedrae colony morphology on Tomato juice agar  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
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P. palmivora chlamydospore  Terminal chlamydospore of P. palmivora |
P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
P. boehmeriae oogonium  Oogonia and oospores with amphigynous antheridia |
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P. cambivora bole canker  Fagus sylvatica bole canker |
P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
P. austrocedrae semipapillate sporangium  P. austrocedrae - semipapillate sporangium with off-center attachment. |
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P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |
P. lateralis colony morphology on PDA  Growth morphology on PDA of Phytophthora lateralis |
P. cinnamomi colony morphology on V8  P. cinnamomi colony growth on V8 at 14 days |