Inactive lesion of P. cambivora on chinquapin
Photo Gallery
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P. cambivora inactive lesion on chinquapin  |
P. megakarya sporangia (photo from Q-bank, used with permission).  P. megakarya sporangia |
P. siskiyouensis bleeding canker  Bole lesions in the tissues under the bark of a bleeding canker: discoloration in the secondary phloem tissue |
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P. cambivora oogonium  P. cambivora oogonium with antheridium |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. siskiyouensis canker on Italian alder  Phytophthora collar rot on Italian alder trees: an isolated bleeding canker on the trunk |
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P. katsurae oogonia  Oogonia with ornamentation |
P. arenaria disease symptoms on Banksia  Dead Banksia sp. in a Kwongan heathland on mineral sand near Eneabba, Western Australia recently killed by root and collar rot caused by Phytophthora arenaria |
P. cinnamomi cork oak decline  Cork oak decline, Portugal |
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P. alni lesion in alder, Illwald, France  P. alni lesion in alder, Illwald, France |
P. katsurae disease symptoms  Infected chestnut (Castanea) with bleeding canker |
P. pluvialis on Pinus radiata in New Zealand  Pinus radiata needles showing colour changes following infection with red needle cast disease. The tissues around the initial infection at the base or along the needle senesce, and change yellow and then brown as indicated by the arrows before the needles cast. |