Canker on Fagus sp. caused by Phytophthora cactorum.
Photo Gallery
Phytophthora cactorum canker on beech tree |
P. cambivora symptoms Dead beech in Germany |
Dying Port Orford Cedar trees Dead Chamaecyparis lawsoniana trees |
Stain from Port Orford Cedar root disease Stain from Chamaecyparis lawsoniana root disease on the Smith River |
P. arenaria sporangia Typical ovoid papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract |
Growth of P. palmivora on CMA Growth of P. palmivora on corn meal agar |
P. cryptogea sporangium Obpyriform non-papillate sporangia in water |
P. lateralis sporangia Sympodial sporangiophore with external proliferation |
P. cinnamomi in Australia Death of Xanthoria and other native vegetation, Victoria, Australia |
P. megasperma sporangium Ovoid, non-papillate sporangia |
P. tentaculata oospores and antheridia Paragynous antheridium attached to oogonium with oospore |
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 |