Photo Gallery

P. tentaculata disease symptoms on California mugwort Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant).	P. nemorosa oogonium Oogonium with amphigynous antheridium	P. kernoviae disease on beech External lesion; 14 November 2003
Growth of P. arenaria on half-strength PDA Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA	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).	Phytophthora taxon Agathis bole canker Canker on a Kauri tree, New Zealand
P. pluvialis on Pinus radiata A Pinus radiata needle showing black resinous bands or marks consistent with the presence of red needle cast disease.	P. pluvialis hyphal swellings P. pluvialis hyphal swellings in water	P. kernoviae oogonia Mycol.Res 109, 853-859; Representative oogonia, antheridia and thick walled plerotic oospores of Phytophthora kernoviae.
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.	P. kernoviae sporangium Asymmetrical sporangium, photo from Q-bank, used with permission	P. pseudosyringae sporangia Ovoid, semipapillate sporangia showing sympodial development of sporangiophore