Phytophthora chlamydospora sporangium in water. Bar is 20µm.
Photo Gallery
P. chlamydospora sporangium |
P. agathidicida oospores Oospores of P. agathidicida 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 |
P. lateralis on Port Orford cedar Small root lesions on Chaemacyparis lawsoniana |
P. pluvialis colony morphology on carrot agar Colony morphology on carrot agar at 20 days |
P. cambivora sporangium Ovoid non- papillate sporangia |
P. megakarya chlamydospore
Terminal chlamydospore of P. megakarya
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P. cryptogea hyphal swellings Cluster of small, angular to globose hyphal swellings formed in water |
P. megasperma oogonium Oogonium with paragynous antheridia applied close to the ogonial stalk. |
P. pluvialis symptoms Symptoms of red needle cast on Douglas-fir needles |
P. megakarya sporangia (photo from Q-bank, used with permission). P. megakarya sporangia |
P. ramorum oogonium Oogonium with thick oogonial wall, photo from Q-bank, used with permission |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |