Photo Gallery

P. alni lesion in alder, Illwald, France P. alni lesion in alder, Illwald, France	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).	P. kernoviae colony morphology From Mycol.Res 109, 853-859; growth on CA under different conditions
P. austrocedrae colony morphology on Tomato juice agar with B sitosterol Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar with B sitosterol	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).	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. cactorum oogonium Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic.	P. siskiyouensis canker on Italian alder Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk	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. tentaculata disease symptoms on California mugwort Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot	P. boehmeriae sporangium Sporangium showing ovoid and ovoid to spherical shape and papillate condition	P. cambivora symptoms Bleeding canker, European beech, OSU campus