Cysts remain in sporangium after discharge, photo from Q-bank, used with permission
Photo Gallery
P. pinifolia sporangium |
P. megakarya oospore
P. megakarya oogonia, oospore, and antheridium
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P. chlamydospora hyphal swellings Phytophthora chlamydospora chlamydospore in agar. Bar is 20µm.
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Vehicle washing Truck washing to avoid spread of P. lateralis |
P. frigida oogonium Oogonium and oospore with amphigynous antheridium |
P. ramorum on larch in the United Kingdom Larch trees with P. ramorum in the UK |
P. pluvialis sporangia. P. pluvialis sporangia on tape peel from infected Douglas-fir needle. |
P. cactorum colony morphology on PDA Colony morphology on PDA at 14 days |
P. ramorum colony morphology on V8 P. ramorum colony morphology on V8 |
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). |
P. cactorum bleeding canker Bleeding canker on red oak (Quercus rubra) |
Phytophthora cactorum canker on beech tree Canker on Fagus sp. caused by Phytophthora cactorum. |