Pinus radiata, note Stem canker associated with necrotic needles.
Photo Gallery
P. pinifolia on Pinus radiata |
P. ramorum canker Bark discoloration and zone lines in coast live oak (Quercus agrifolia) |
P. cambivora coralloid irregular hyphae Coralloid irregular hyphae |
P. austrocedrae oogonia drawing P. austrocedrae. Morphology of oogonia, oospores and antheridia. Bar: 10 mm. Greslebin et al. 2007 |
P. siskiyouensis bleeding canker Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
P. cinnamomi hyphal swellings P. cinnamomi hyphal swellings (or thin walled chlamydospores) |
P. lateralis on Port Orford cedar Atypical decline caused by aerial infections in Scaër, France |
P. cinnamomi on Fraser fir Frasier fir Christmas trees, North Carolina |
Chlamydospore of P. lateralis Laterally intercalary chlamydospore of Phytophthora lateralis |
P. pinifolia hyphal growth P. pinifolia pathogen growing from infected needle on selective agar |
Port Orford cedar seedlings Raised beds for testing disease resistance of Port-Orford-cedar seedlings at the Dorena Genetic Resource Center |
P. cambivora sporangium with nested proliferation Empty sporagia showing internal nested proliferation |