Ovoid non-papillate sporangia in water.
Photo Gallery
P. cryptogea sporangium |
P. ramorum zoospores Sporangium of P. ramorum releasing zoospores |
P. siskiyouensis canker on Italian alder Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |
P. pseudotsugae sporangium Broadly ovoid, papillate sporangium in water |
P. pseudosyringae sporangia Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
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. siskiyouensis bleeding canker Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
P. arenaria sporangia Typical ovoid papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract |
Chlamydospore of P. lateralis Terminal chlamydospore on a short side stalk |
P. pinifolia hyphal growth P. pinifolia pathogen growing from infected needle on selective agar |
P. ramorum colony morphology on V8 P. ramorum colony morphology on V8 |
P. tentaculata chlamydospore Terminal chlamydospore of P. tentaculata |