Mycol.Res 109, 853-859; Representative oogonia, antheridia and thick walled plerotic oospores of Phytophthora kernoviae.
Photo Gallery
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P. kernoviae oogonia  |
P. cactorum sporangia  P. cactorum sporangia |
P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |
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P. alni oogonia subspecies and variants  Fig. 40. P. alni subsp. uniformis. Fig. 41. P. alni subsp. multiformis German variant. Fig. 42. P. alni subsp. alni. Fig. 43. |
Mat to control spread of P. agathidicida  Jogger running over a plastic-reinforced, foam-mat containing a 2% solution of Trigene™ Advance (quaternary ammonium compound) as part of a cross-country event, in the Waitakere Regional Park |
P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |
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P. palmivora sporangia
 P. palmivora caducous papillate sporangia
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P. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
P. cryptogea sporangium  Ovoid non-papillate sporangia in water. |
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P. agathidicida oospores in planta  Oospores in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide before being stained with trypan blue (scale bar =100 µm). |
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. agathidicida sporangium  Globose to ovoid-ellipsoid, papillate sporangium |