Sporangia (sporangiospores) showing sympodial branching
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P. palmivora sporangia  |
Black pod disease of cacao  Symptom of black pod disease of cacao (T. cacao) caused by P. palmivora |
P. katsurae disease symptoms  Infected chestnut tree with girdling canker on stem |
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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. siskiyouensis bleeding canker  Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
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P. cinnamomi cork oak decline  Cork oak decline, Portugal |
P. katsurae sporangia  Papillate, non-caducous sporangium with differentiated content; photo used with permission from Q-bank |
P. cinnamomi colony morphology on PDA  P. cinnamomi colony growth on PDA at 14 days |
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P. alni in alder forest, Germany, with T. Jung  P. alni in alder forest, Germany, with T. Jung |
P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
P. pinifolia colony morphology on CMA-NARP  Colony morphology of P. pinifolia at 20°C on CMA-NARP after 3 weeks. From Duran et al. 2008 |