Colony morphology on PDA at 14 days
Photo Gallery
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P. cambivora colony morphology on PDA  |
Phytophthora taxon Agathis bole canker  Canker on a Kauri tree, New Zealand |
P. pseudosyringae sporangia  Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
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P. megasperma colony morphology on PDA  Colony morphology on PDA at 7 days |
P. pinifolia on Pinus radiata  Pinus radiata needles, note “black line” symptom near needle bases |
P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
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P. pinifolia sporangia  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
Phytophthora chlamydospora sporangium  Phytophthora chlamydospora sporangia in water, showing internal proliferation. Bar is 20 µm. |
P. cinnamomi cork oak decline  Cork oak decline, Portugal |
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P. alni oogonia  Smooth-walled oogonium of P. alni (Swedish variant) with oospore and amphigynous antheridium. |
P. chlamydospora hyphal swellings  Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
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P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |