Necrosis of rhododendron leaves.
Photo Gallery
P. kernoviae leaf wilt |
P. agathidicida sporangium Globose to ovoid-ellipsoid, papillate sporangium |
P. cambivora active lesion on chinquapin P. cambivora active lesion on chinquapin |
P. alni subsp alni sporangium Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
P. boehmeriae oogonium Oogonia and oospores with amphigynous antheridia |
P. pinifolia sporangia Sporangium with internal proliferation, photo from Q-bank, used with permission. |
P. pinifolia colony morphology on PDA Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission. |
P. ramorum sporangium P. ramorum sporangium |
P. cinnamomi on Banksia Dead and dying Banksia, Western Australia |
P. pluvialis symptoms Symptoms of red needle cast on Douglas-fir needles |
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. frigida sporangia Noncaducous sporangia showing ovoid shape and papillate condition |