Pinus radiata, note Stem canker associated with necrotic needles.
Photo Gallery
P. pinifolia on Pinus radiata |
P. pinifolia colony morphology on V8 Colony morphology of P. pinifolia at 20°C on V8 after 3 weeks. From Duran et al. 2008 |
P. pinifolia on Pinus radiata Dead needles on lower side of P. radiata branch. |
P. pinifolia on Pinus radiata needles Pinus radiata needles, note “black line” symptom near needle bases |
P. pinifolia colony morphology on CMA-NARP Colony morphology of P. pinifolia at 20°C on CMA-NARP after 3 weeks. From Duran et al. 2008 |
P. pinifolia on Pinus radiata Pinus radiata, note grey and collapsed needle bases |
P. pinifolia sporangium Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
P. pinifolia hyphal growth P. pinifolia pathogen growing from infected needle on selective agar |
P. pinifolia sporangia Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pinifolia on Pinus radiata Pinus radiata needles, note “black line” symptom near needle bases |
P. pinifolia sporangia Sporangium with internal proliferation, photo from Q-bank, used with permission. |
P. pinifolia on Pinus radiata Pinus radiata stand, note Defoliation and regrowth |