Basal canker on Chamaecyparis lawsoniana
Photo Gallery
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Basal canker on Port-Orford cedar  |
P. ramorum colony morphology on CMA PARP  P. ramorum colony morphology on CMA PARP |
Boot wash to station to control spread of P. agathidicida  Use of hypochlorite solution applied through a “livestock drench-gun”, integrated with a soil grate to allow potentially contaminated soil to be collected |
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P. cactorum sporangia  P. cactorum sporangia |
P. kernoviae oogonia  Mycol.Res 109, 853-859; Representative oogonia, antheridia and thick walled plerotic oospores of Phytophthora kernoviae. |
P. siskiyouensis oogonium with amphigynous antheridium  P. siskiyouensis oogonium with amphigynous antheridium |
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P. agathidicia oogonia  P. agathidicida oogonia with SEM (top) and light microscopy (bottom) |
P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. agathidicida oospores in planta  Oospores in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide before being stained with trypan blue (scale bar =100 µm). |
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Growth of P. megakarya on V8 agar  Growth of P. megakarya on V8 agar |
Phytophthora cactorum canker on beech tree  Canker on Fagus sp. caused by Phytophthora cactorum. |
P. pluvialis symptoms on Douglas-fir  P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |