Sporangium showing typical ovoid shape and semi-papillate condition
Photo Gallery
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P. pluvialis sporangium  |
P. pseudotsugae colony morphology on PDA  P. pseudotsugae colony growth on PDA agar |
P. austrocedrae - Mal del ciprés in Argentina  Mal del ciprés looking toward Rio Grande, Chubut Province, Argentina |
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P. cambivora oogonium  P. cambivora oogonium with antheridium |
P. megakarya oospore
P. megakarya oogonia, oospore, and antheridium
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Phytophthora chlamydospora sporangium  Phytophthora chlamydospora sporangia in water, showing internal proliferation. Bar is 20 µm. |
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P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings on agar |
P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note the reddish appearance of affected trees prior to needle drop. |
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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). |
Growth of P. palmivora on CMA  Growth of P. palmivora on corn meal agar |
P. pinifolia sporulation  Sporulation on edge of hemp seed, photo from Q-bank, used with permission. |