Sporangia (sporangiospores) showing sympodial branching
Photo Gallery
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P. palmivora sporangia  |
P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. palmivora oogonium  P. palmivora oogonium |
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P. tentaculata hyphae  Looping hyphae commonly seen with P. tentaculata on PARP media |
P. pluvialis on Pinus radiata  A Pinus radiata needle showing black resinous bands or marks consistent with the presence of red needle cast disease. |
P. pinifolia sporangia  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
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P. pseudosyringae colony morphology on V8  Colony morphology on V8 at 14 days |
P. tentaculata oogonia and antheridia  Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata |
Growth of P. arenaria on half-strength PDA  Colony morphology of Phytophthora arenaria after 7 days at 20°C on half-strength PDA |
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P. pinifolia on Pinus radiata  Pinus radiata impacted by DFP, note healthy new growth |
P. siskiyouensis canker on Italian alder  Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues |
P. pinifolia coenocytic hyphae  Coenocytic hyphae (from Duran et al. 2008). Scale bar = 20 μm. |