Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues
Photo Gallery
P. siskiyouensis canker on Italian alder |
P. lateralis sporangia Sympodial sporangiophore with external proliferation |
P. tentaculata disease symptoms on sticky monkey flower Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. cactorum bleeding canker Bleeding canker on red oak (Quercus rubra) |
P. palmivora sporangia
P. palmivora caducous papillate sporangia
|
Tāne Mahuta “Lord of the Forest” kauri tree Tāne Mahuta “Lord of the Forest” is a giant kauri tree (approximately 47 metres in height) in the Waipoua Forest of Northland Region, New Zealand. Its age is unknown but is estimated to be between 1,250 and 2,500 years |
Dead Port Orford Cedar trees Dead Chamaecyparis lawsoniana trees along road |
P. frigida symptoms 1 Symptoms of gummosis on black wattle |
P. kernoviae leaf wilt Wilted leaf of infected rhododendron |
Austrocedrus associated with Mal del ciprés. Austrocedrus with basal resin flow associated with Mal del ciprés. |
P. agathidicida oospores Oospores of P. agathidicida in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide, before being stained with Trypan Blue |
Necrotic lesion in phloem caused by P. austrocedrae Necrotic lesion in phloem with resin pocket caused by P. austrocedrae |