Sporangium with internal proliferation, photo from Q-bank, used with permission.
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P. pinifolia sporangia  |
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 |
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P. pinifolia coenocytic hyphae  Coenocytic hyphae (from Duran et al. 2008). Scale bar = 20 μm. |
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 Stem canker associated with necrotic needles. |
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P. pinifolia hyphal swellings  Spherical hyphal swelling with radiating 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 on Pinus radiata  Pinus radiata needles, note “black line” symptom near needle bases |
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P. pinifolia sporangium  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pinifolia colony morphology on V8  Colony pattern after 7 days on V8 at 24C, photo from Q-bank, used with permission |
P. pinifolia colony morphology on V8  Colony morphology of P. pinifolia at 20°C on V8 after 3 weeks. From Duran et al. 2008 |