Light micrograph of P. agathidicida oospore (Scale bar equals 15 µm)
Photo Gallery
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P. agathidicia oogonia  |
P. cactorum sporangia  P. cactorum sporangia |
P. cambivora bole canker  Fagus sylvatica bole canker |
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P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
Phytophthora chlamydospora sporangium  Phytophthora chlamydospora sporangia in water, showing internal proliferation. Bar is 20 µm. |
P. pinifolia on Pinus radiata  Pinus radiata needles, note “black line” symptom near needle bases |
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P. palmivora sporangia, chlamydospores, hyphae  Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
P. lateralis sporangia  Sporangia of P. lateralis showing internal and external proliferation |
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Healthy Port Orford Cedar tree  Healthy Chamaecyparis lawsoniana tree |
P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot. |
P. chlamydospora hyphal swellings  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
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