Papillate, non-caducous sporangium with differentiated content; photo used with permission from Q-bank
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P. katsurae sporangia |
P. austrocedrae colony morphology on CMA Colony morphology of P. austrocedrae at 16ºC after 4 weeks on CMA |
P. boehmeriae oogonia Oogonia and oospores with amphigynous antheridia |
P. cambivora disease symptoms Collar canker rot of Ink disease on sweet chestnut |
P. palmivora sporangia
P. palmivora caducous papillate sporangia
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Phytophthora cactorum disease symptoms on English walnut Dieback of Juglans regia caused by Phytophthora cactorum |
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. tentaculata chlamydospore Terminal chlamydospore of P. tentaculata |
P. tentaculata sporangium Papillate sporangium of P. tentaculata |
P. alni subsp alni sporangium Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
P. cinnamomi hyphal swelling P. cinnamomi hyphal swelling (or thin walled chlamydospores) |
P. agathidicia oogonia P. agathidicida oogonia with SEM (top) and light microscopy (bottom) |