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).
Photo Gallery
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Comparative gametangial morphology of Phytophthora Clade 5 species  |
P. katsurae oogonium  Micrograph of warty oogonium |
P. cambivora on dead and dying chinquapin  Dead and dying chinquapin infected with P. cambivora |
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P. cryptogea sporangium  Obpyriform non-papillate sporangia in water |
P. alni in alder forest, Germany, with T. Jung  P. alni in alder forest, Germany, with T. Jung |
P. palmivora oogonium  P. palmivora oogonium |
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P. cambivora colony morphology on PDA  Colony morphology on PDA at 14 days |
P. cinnamomi on Fraser fir  Frasier fir Christmas trees, North Carolina |
P. agathadicida disease symptom  Excavated lesion, with outer bark removed showing extent of disease-front |
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P. cambivora colony morphology on MA  Appressed colony morphology at 14 days at 20°C on MA |
P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |
P. cambivora oogonium  P. cambivora oogonium with antheridium |