Morphology of hyphae of Phytophthora austrocedrae, from Greslebin et al. 2007
Photo Gallery
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P. austrocedrae hyphal swellings in liquid media drawing |
P. alni in alder, Illwald, France P. alni in alder, Illwald, France |
P. pinifolia on Pinus radiata Pinus radiata, note grey and collapsed needle bases |
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P. lateralis on Port Orford cedar Lesion caused by aerial infection on Chaemacyparis lawsoniana in Lopérec, France |
Growth of P. megakarya on PDA Growth of P. megakarya on potato dextrose agar |
Comparative gametangial morphology of Phytophthora Clade 5 species Comparative gametangial morphology of Phytophthora Clade 5 species, with SEM (top) and light microscopy (bottom). P. heveae has smooth walled oogonia with funnel-shaped, amphigynous antheridia. P. agathidicida has mildly stipulate oogonia with globose amphigynous antheridia. P.cocois has mildly bullate oogonia with reflexed amphigynous antheridia. P. castaneae has coarsely bullate oogonium with rugose protuberances and narrow amphigynous antheridia (Weir et al. 2015). |
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P. tentaculata microscopic characteristics Hyphal swellings occuring at branching points of Mycelium (A), Intercalary hyphal swellings (B), Chlamydospore (C ), Sporangia (D) |
Healthy Port Orford Cedar tree Healthy Chamaecyparis lawsoniana trees |
P. cambivora symptoms Dead beech in Germany |
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P. ramorum bleeding canker Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. cinnamomi hyphal swelling P. cinnamomi hyphal swelling (or thin walled chlamydospores) |
P. cinnamomi on Jarrah Dieback in Jarrah, Western Australia |


