Collar canker rot of Ink disease on sweet chestnut
Photo Gallery
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P. cambivora disease symptoms  |
P. alni lesion in alder, Illwald, France  P. alni lesion in alder, Illwald, France |
P. cambivora disease symptoms  Crown symptoms of Ink disease on sweet chestnut |
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P. ramorum on larch in the United Kingdom  Larch trees with P. ramorum in the UK |
P. pseudotsugae paragynous oogonium  P. pseudotsugae oogonium with paragynous antheridia, note the disrupted contents of the abortive oogonia |
P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
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P. lateralis colony morphology on PDA  Growth morphology on PDA of Phytophthora lateralis |
P. cryptogea hyphal swellings  Cluster of small, angular to globose hyphal swellings formed in water |
P. palmivora colony morphology on PDA  P. palmivora colony morphology on PDA |
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P. siskiyouensis canker on Italian alder  Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
P. cryptogea sporangium  Obpyriform non-papillate sporangia in water |