Dieback of Juglans regia caused by Phytophthora cactorum
Photo Gallery
|
Dying Port Orford Cedar trees  |
Phytophthora cactorum disease symptoms on English walnut  |
Phytophthora cactorum canker on beech tree  Canker on Fagus sp. caused by Phytophthora cactorum. |
|
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. cambivora oogonium  P. cambivora oogonium with antheridium |
P. cinnamomi on Jarrah  Dieback in Jarrah, Western Australia |
|
P. lateralis on Port Orford cedar  Bole lesion on Chaemacyparis lawsoniana in Lopérec, France |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. kernoviae disease on beech  External lesion; 14 November 2003 |
|
P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
Vehicle washing  Truck washing to avoid spread of P. lateralis |
P. austrocedrae colony morphology on Tomato juice agar  Colony morphology of P. austrocedrae at 16 ºC after 4 weeks on Tomato juice agar |