Pinus radiata needles, note “black line” symptom near needle bases
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P. pinifolia on Pinus radiata needles |
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 Stem canker associated with necrotic needles. |
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P. pinifolia on Pinus radiata Pinus radiata, note grey and collapsed needle bases |
P. pinifolia hyphal growth P. pinifolia pathogen growing from infected needle on selective agar |
P. pinifolia sporangia Sporangium with internal proliferation, photo from Q-bank, used with permission. |
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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 Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pinifolia on Pinus radiata Dead needles on lower side of P. radiata branch. |
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P. pinifolia on Pinus radiata Pinus radiata impacted by DFP, note healthy new growth |
P. pinifolia on Pinus radiata Pinus radiata, note Infected needles at right angles to stem |
P. pinifolia on Pinus radiata Pinus radiata stand, note Defoliation and regrowth |


