Lesion caused by aerial infection on Chaemacyparis lawsoniana in Lopérec, France
Photo Gallery
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P. lateralis on Port Orford cedar  |
P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
P. pinifolia colony morphology on V8  Colony pattern after 7 days on V8 at 24C, photo from Q-bank, used with permission |
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P. megakarya oospore
P. megakarya oogonia, oospore, and antheridium
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P. siskiyouensis canker on Italian alder  Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |
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 |
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P. alni oogonium  Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium. |
Growth of P. arenaria on half-strength PDA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA |
Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia  Sporangia showing ovoid and ovoid to spherical shape and papillate condition |
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Black pod disease of cacao caused by P. palmivora  Black pod of cacao in Ecuador caused by P. palmivora (see lesioned fruit on left). |
P. pinifolia on Pinus radiata  Pinus radiata, note grey and collapsed needle bases |
P. cambivora sporangium  Ovoid non- papillate sporangia |