P. palmivora caducous papillate sporangia
Photo Gallery
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P. palmivora sporangia
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P. agathidicida lesion on kauri tree  Gum oozing out of longitudinal lesion |
P. cambivora oogonium  P. cambivora oogonium with antheridium |
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P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. cactorum colony morphology on V8  Colony morphology on V8 at 14 days |
P. palmivora sporangia, chlamydospores, hyphae  Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
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P. pseudosyringae colony morphology on V8  Colony morphology on V8 at 14 days |
P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
P. pluvialis symptoms on Douglas-fir  P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
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P. chlamydospora colony morphology on carrot agar  P. chlamydospora colony morphology on carrot agar |
P. pinifolia on Pinus radiata  Pinus radiata, note Stem canker associated with necrotic needles. |
P. chlamydospora sporangium  Phytophthora chlamydospora sporangium in water. Bar is 20µm. |