P. pinifolia pathogen growing from infected needle on selective agar
Photo Gallery
P. pinifolia hyphal growth |
P. pinifolia on Pinus radiata Pinus radiata needles, note “black line” symptom near needle bases |
P. pinifolia sporangium Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
P. pinifolia sporangium Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pinifolia on Pinus radiata Pinus radiata, note grey and collapsed needle bases |
P. pinifolia sporulation Sporulation on edge of hemp seed, photo from Q-bank, used with permission. |
P. pinifolia on Pinus radiata Dead needles on lower side of P. radiata branch. |
P. pinifolia on Pinus radiata Pinus radiata, note Stem canker associated with necrotic needles. |
P. pinifolia sporangia Sporangium with internal proliferation, photo from Q-bank, used with permission. |
P. pinifolia coenocytic hyphae Coenocytic hyphae (from Duran et al. 2008). Scale bar = 20 μm. |
P. pinifolia on Pinus radiata Pinus radiata, note Infected needles at right angles to stem |
P. pinifolia colony morphology on V8 Colony morphology of P. pinifolia at 20°C on V8 after 3 weeks. From Duran et al. 2008 |