Stain from Chamaecyparis lawsoniana root disease on the Smith River
Photo Gallery
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Stain from Port Orford Cedar root disease  |
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). |
P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
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P. alni oogonium  Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium. |
P. palmivora sporangia
 P. palmivora caducous papillate sporangia
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P. kernoviae sporangium  Papillate and caducous sporangium, photo from Q-bank, used with permission |
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Dead and healthy Port-Orford cedar seedlings  Port-Orford-cedar seedlings planted to test for Phytophthora lateralis resistance at the Dorena Genetic Resource Center |
P. cambivora colony morphology on MA  Rosacous colony morphology at 14 days at 20°C on MA |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata with an elongated neck or beak. |
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P. austrocedrae - Mal del ciprés in Argentina  Mal del ciprés looking toward Rio Grande, Chubut Province, Argentina |
P. chlamydospora chlamydospore  Phytophthora chlamydospora chlamydospore in agar. Bar is 20 µm. |
Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia  Sporangia showing ovoid and ovoid to spherical shape and papillate condition |