Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
Photo Gallery
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P. chlamydospora chlamydospore  |
P. lateralis on Port Orford cedar  Localized branch infection of Chaemacyparis lawsoniana in Lopérec, France |
P. siskiyouensis colony morphology on PDA  Colony morphology on PDA at 14 days |
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P. cambivora sporangium with sympodial proliferation  Empty sporagium showing sympodial proliferation |
P. ramorum canker  Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
P. austrocedrae - sporangia drawings  Phytophthora austrocedrae. Morphology of sporangia. Bar: 25 mm. Greslebin et al. 2007 |
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P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
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). |
Dying Port Orford Cedar trees  |
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Tāne Mahuta “Lord of the Forest” kauri tree  Tāne Mahuta “Lord of the Forest” is a giant kauri tree (approximately 47 metres in height) in the Waipoua Forest of Northland Region, New Zealand. Its age is unknown but is estimated to be between 1,250 and 2,500 years |
P. pluvialis on Pinus radiata in New Zealand  A Pinus radiata needle showing faded olive- or khaki- coloured lesions consistent with the presence of red needle cast disease. Arrow shows resinous bands within the extended olive lesion. |
P. megakarya oospore
P. megakarya oogonia, oospore, and antheridium
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