Non-papillate sporangia of P. alni showing nested proliferation.
Photo Gallery
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P. alni sporangia  |
P. siskiyouensis bleeding canker  Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
P. cambivora disease symptoms  Dead and dying chinquapin infected with P. cambivora |
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P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |
P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
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). |
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P. nicotianae colony morphology on V8  Phytophthora nicotianae CBS 321.49 V8 after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. megasperma sporangia  Ovoid, non-papillate sporangia showing internal proliferation of sporangiophore |
P. pseudosyringae sporangia  Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
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P. cambivora colony morphology on MA  Rosacous colony morphology at 14 days at 20°C on MA |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings in water |