Crown symptoms of Ink disease on sweet chestnut
Photo Gallery
|
P. cambivora disease symptoms  |
P. katsurae growth morphology on β-CMA  Growth morphology at 7 days on β-CMA |
Port Orford Cedar Hedge row  Chamaecyparis lawsoniana residential hedge row with alive and dead trees |
|
P. ramorum zoospores  Sporangium of P. ramorum releasing zoospores |
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. pinifolia on Pinus radiata needles  Pinus radiata needles, note “black line” symptom near needle bases |
|
Dying Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees |
Basal canker on Port-Orford cedar  Basal canker on Chamaecyparis lawsoniana |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings in water |
|
Necrotic lesion in phloem caused by P. austrocedrae  Necrotic lesion in phloem with resin pocket caused by P. austrocedrae |
P. cambivora colony morphology on MA  Appressed stellate colony morphology at 14 days at 20°C on MA |
P. pinifolia sporangium  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |