Ovoid, semipapillate sporangia showing sympodial development of sporangiophore
Photo Gallery
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P. pseudosyringae sporangia  |
P. alni subsp alni sporangium  Non-papillate, non caducous sporangium, photo used with permission from Q-bank |
P. frigida chlamydospore  Globose chlamydospores of P. frigida |
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P. cambivora disease symptoms  Ink disease impact in sweet chestnut forest in Italy |
P. lateralis on Port Orford cedar  Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France |
P. pluvialis sporangium  Sporangia showing typical ovoid shape and semi-papillate condition |
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P. pluvialis on Pinus radiata in New Zealand  Pinus radiata needles showing colour changes following infection with red needle cast disease. The tissues around the initial infection at the base or along the needle senesce, and change yellow and then brown as indicated by the arrows before the needles cast. |
P. pluvialis sporangia.  P. pluvialis sporangia on tape peel from infected Douglas-fir needle. |
P. kernoviae disease on European beech  Bleeding lesion on trunk of Fagus sylvatica |
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P. austrocedrae colony morphology on CMA  Colony morphology of P. austrocedrae at 16ºC after 4 weeks on CMA |
P. palmivora sporangia, chlamydospores, hyphae  Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |