Oogonia with ornamentation
Photo Gallery
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Basal canker on Port Orford Cedar stump  |
P. katsurae oogonia  |
P. cambivora active lesion on chinquapin  P. cambivora active lesion on chinquapin |
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P. lateralis on Port Orford cedar  Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France |
P. cactorum oogonium  Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic. |
P. siskiyouensis bleeding canker  Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
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P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |
P. megasperma sporangium  Ovoid, non-papillate sporangia |
P. megakarya sporangia (photo from Q-bank, used with permission).  P. megakarya sporangia |
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P. agathidicia oogonia  P. agathidicida oogonia with SEM (top) and light microscopy (bottom) |
P. ramorum colony morphology on V8  P. ramorum colony morphology on V8 |
P. cactorum colony morphology on PDA  Colony morphology on PDA at 14 days |