Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue
Photo Gallery
P. siskiyouensis bleeding canker |
P. lateralis on Port Orford cedar Collar lesion on Chaemacyparis lawsoniana in Landrévarzec, France |
P. cactorum oogonium Oogonium with paragynous antheridia close to oogonial stalk. Oospores are slightly aplerotic. |
P. katsurae growth morphology on β-CMA Growth morphology at 7 days on β-CMA |
P. alni sporangia Non-papillate sporangia of P. alni showing nested proliferation. |
P. siskiyouensis canker on Italian alder Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |
Healthy Port Orford Cedar tree Healthy Chamaecyparis lawsoniana trees |
P. siskiyouensis colony morphology on PDA Colony morphology on PDA at 14 days |
Dying Port Orford Cedar trees |
P. frigida symptoms 4 Black wattle timber with symptoms of gummosis |
P. pinifolia on Pinus radiata Pinus radiata, note Stem canker associated with necrotic needles. |
P. ramorum chlamydospores P. ramorum chlamydospores |