Close-up of margin area of bole lesions under the bark of a bleeding canker
Photo Gallery
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P. siskiyouensis bleeding canker  |
P. siskiyouensis bleeding canker  Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
P. siskiyouensis disease symptoms on Italian alder  Phytophthora collar rot on Italian alder trees: standing, dead tree |
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P. agathidicia growth on V8  Colony morphology of ex-holotype ICMP 17027 after 10-days incubation at 20°C in the dark |
P. arenaria hyphal swellings  Catenulate, globose to subglobose hyphal swellings, some of them with radiating hyphae scale bar = 50 μm. |
P. pinifolia on Pinus radiata  Pinus radiata, note Infected needles at right angles to stem |
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P. kernoviae sporangium  Asymmetrical sporangium, photo from Q-bank, used with permission |
Chlamydospore of P. lateralis  Laterally intercalary chlamydospore of Phytophthora lateralis |
P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
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P. katsurae oogonia  Oogonia with ornamentation |
P. tentaculata on V-8 media  Culture of P. tentaculata on V-8 media |
P. pseudosyringae oogonium  Oogonium with paragynous antheridium in agar |