Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis
Photo Gallery
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P. ramorum Dieback and shoot blight on Grand fir  |
Stain from Port Orford Cedar root disease  Stain from Chamaecyparis lawsoniana root disease on the Smith River |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings in water |
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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. tentaculata hyphae  Looping hyphae commonly seen with P. tentaculata on PARP media |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
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P. katsurae oogonia  Oogonia with ornamentation |
P. cinnamomi on Banksia  Gretna Weste injecting Banksia with phosphonate |
Mal del ciprés, dead and dying trees along river  Mal del ciprés, dead and dying trees along river |
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P. pluvialis sporangium  Sporangium showing typical ovoid shape and semi-papillate condition |
P. siskiyouensis bleeding canker  Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
P. austrocedrae - Mal del ciprés, stages of decline  Mal del ciprés, stages of decline |