Oogonia with ornamentation
Photo Gallery
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P. katsurae oogonia  |
P. katsurae disease symptoms  Infected chestnut (Castanea) with bleeding canker |
P. pluvialis on Pinus radiata needle  Clusters of sporangia emerge from stomata of an infected radiata pine needle. |
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P. agathidicida sporangium  Globose to ovoid-ellipsoid, papillate sporangium |
Stain from Port Orford Cedar root disease  Stain from Chamaecyparis lawsoniana root disease on the Smith River |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
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P. agathidicia growth on PDA  Colony morphology of ex-holotype ICMP 17027 after 10-days incubation at 20°C in the dark |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |
P. lateralis sporangia  Sporangia of P. lateralis showing internal and external proliferation |
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P. cinnamomi sporangium  P. cinnamomi sporangium |
P. agathidicida growth on MEA  Diffuse, non-patterned, colony morphology of ICMP 16471 (the original “Gadgil isolate”) after 10-days incubation at 20°C in the dark |
P. cactorum oogonium  Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic. |