Wilted leaf of infected rhododendron
Photo Gallery
|
P. kernoviae leaf wilt  |
P. pinifolia sporangia  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. pluvialis sporangium  Sporangium showing typical ovoid shape and semi-papillate condition |
|
P. cryptogea sporangia  Sporangiophore showing internal proliferation through empty sporangia after zoospore release |
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. siskiyouensis canker on Italian alder  Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues |
|
P. pluvialis sporangium  Sporangia showing typical ovoid shape and semi-papillate condition |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
P. chlamydospora colony morphology on carrot agar  P. chlamydospora colony morphology on carrot agar |
|
P. lateralis on Port Orford cedar  Collar lesion on Chaemacyparis lawsoniana in Landrévarzec, France |
P. alni oogonium  Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium. |
P. siskiyouensis colony morphology on PDA  Colony morphology on PDA at 14 days |