Canker on Fagus sp. caused by Phytophthora cactorum.
Photo Gallery
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Phytophthora cactorum canker on beech tree  |
Phytophthora cactorum disease symptoms on English walnut  Dieback of Juglans regia caused by Phytophthora cactorum |
P. alni subsp alni sporangium  Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
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P. cinnamomi on Banksia  Death of woodland Banksia, Western Australia |
P. pinifolia colony morphology on PDA  Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission. |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
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Growth of P. megakarya on PDA  Growth of P. megakarya on potato dextrose agar |
P. boehmeriae chlamydospore  Globose chlamydospore of P. boehmeriae |
P. austrocedrae colony morphology on PDA  Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
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P. palmivora symptoms on fruit  Brown rot on a lemon fruit caused by Phytophthora palmivora. |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
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). |