Phytophthora chlamydospora sporangia in water, showing internal proliferation. Bar is 20 µm.
Photo Gallery
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Phytophthora chlamydospora sporangium  |
Sporangia showing ovoid and ovoid to spherical shape and papillate condition sporangia  Sporangia showing ovoid and ovoid to spherical shape and papillate condition |
P. pseudotsugae sporangia  Broadly ovoid, papillate sporangia in water |
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P. pinifolia on Pinus radiata  Pinus radiata, note grey and collapsed needle bases |
P. kernoviae canker  Bole lesion on Fagus sylvatica |
P. cryptogea sporangium  Ovoid non-papillate sporangia in water. |
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P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
P. cinnamomi hyphal swellings  P. cinnamomi hyphal swellings (or thin walled chlamydospores) |
P. megasperma oogonium  Oogonium with paragynous antheridia applied close to the ogonial stalk. |
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P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |
Stain from Port Orford Cedar root disease  Stain from Chamaecyparis lawsoniana root disease on the Smith River |
P. megakarya disease symptoms on Theobroma cacao fruit  Disease symptoms on a cocoa pod |