Pinus radiata, note grey and collapsed needle bases
Photo Gallery
Site will be retired 9/1/2026
This site is no longer being developed and will be retired on September 1, 2026. Please contact us if you have any questions or would like to provide support to continue the project.
|
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 sporangium Cysts remain in sporangium after discharge, photo from Q-bank, used with permission |
|
P. pinifolia on Pinus radiata Pinus radiata, note Stem canker associated with necrotic needles. |
P. pinifolia hyphal swellings Spherical hyphal swelling with radiating hyphae (from Duran et al. 2008). Scale bar = 20 μm. |
P. pinifolia sporangia Sporangium with internal proliferation, photo from Q-bank, used with permission. |
|
P. pinifolia on Pinus radiata Pinus radiata needles, note “black line” symptom near needle bases |
P. pinifolia on Pinus radiata Pinus radiata impacted by DFP, note healthy new growth |
P. pinifolia on Pinus radiata Pinus radiata dead needles caused by DFP with healthy new growth from DFP |
|
P. pinifolia on Pinus radiata Pinus radiata, note Infected needles at right angles to stem |
P. pinifolia on Pinus radiata needles Pinus radiata needles, note “black line” symptom near needle bases |
P. pinifolia sporangium Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |


