Close-up of margin area of bole lesions under the bark of a bleeding canker
Photo Gallery
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P. siskiyouensis bleeding canker  |
P. cactorum sporangia  P. cactorum sporangia |
P. alni in riparian alder, Scotland  P. alni in riparian alder, Scotland |
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P. cambivora disease symptoms  Crown symptoms of Ink disease on sweet chestnut |
P. pinifolia hyphal growth  P. pinifolia pathogen growing from infected needle on selective agar |
P. alni oogonium  Bullate oogonium of P. alni (German variant) with oospore and amphigynous antheridium. |
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P. alni symptoms on European Alder  Mature, riparian common alder (A. glutinosa) stand with high impact of Phytophthora root and collar rot. |
P. katsurae disease symptoms  Infected chestnut tree with girdling canker on stem |
P. katsurae disease symptoms  Infected chestnut (Castanea) with bleeding canker |
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P. cambivora disease symptoms  Collar canker rot of Ink disease on sweet chestnut |
P. alni oogonia subspecies and variants  Fig. 40. P. alni subsp. uniformis. Fig. 41. P. alni subsp. multiformis German variant. Fig. 42. P. alni subsp. alni. Fig. 43. |
P. austrocedrae - sporangia  Sporangium with distorted shape, photo from Q-bank, used with permission. |