Photo Gallery

P. alni in alder, Illwald, France P. alni in alder, Illwald, France	P. agathidicida oospores Oospores of P. agathidicida 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	P. cryptogea hyphal swellings Cluster of small, angular to globose hyphal swellings formed in water
P. pseudosyringae sporangium Ovoid, semipapillate sporangia showing medium length pedicel	Dead Port Orford Cedar Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon	P. cambivora symptoms P. cambivora on Fagus sylvatica bole
P. lateralis on Port Orford cedar Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France.	P. cambivora oogonium Bullate oogonium and and two-celled amphigynous antheridium	P. austrocedrae - Mal del ciprés, stages of decline Colony morphology of P. austrocedrae at 16 C after four weeks on PDA
P. pluvialis symptoms on Douglas-fir Red needle cast symptoms on Douglas-fir in western Oregon, 2015	Growth of P. arenaria on CA Colony morphology of Phytophthora arenaria after 7 days at 20°C on carrot agar	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).