Dead Chamaecyparis lawsoniana trees
Photo Gallery
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Dying Port Orford Cedar trees |
P. palmivora oogonia P. palmivora oogonia with antheridia |
P. arenaria disease symptoms on Banksia Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |
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P. ramorum colony morphology on PDA P. ramorum colony morphology on PDA |
P. ramorum Dieback and shoot blight on Grand fir Dieback and shoot blight symptoms caused by P. ramorum on Abies grandis |
P. cambivora symptoms P. cambivora on Fagus sylvatica bole |
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P. alni in alder, Illwald, France P. alni in alder, Illwald, France |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |
P. agathidicida lesion on kauri tree Close up of gum oozing out of lower trunk lesions of a young kauri tree at Maungaroa Ridge, Piha region of Waitakere Regional Park |
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Mal del ciprés, dead and dying trees along river Mal del ciprés, dead and dying trees along river |
Comparative gametangial morphology of Phytophthora Clade 5 species Comparative gametangial morphology of Phytophthora Clade 5 species, with SEM (top) and light microscopy (bottom). P. heveae has smooth walled oogonia with funnel-shaped, amphigynous antheridia. P. agathidicida has mildly stipulate oogonia with globose amphigynous antheridia. P.cocois has mildly bullate oogonia with reflexed amphigynous antheridia. P. castaneae has coarsely bullate oogonium with rugose protuberances and narrow amphigynous antheridia (Weir et al. 2015). |
P. cinnamomi on Fraser fir Frasier fir Christmas trees, North Carolina |


