Canker on Fagus sp. caused by Phytophthora cactorum.
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Phytophthora cactorum canker on beech tree  |
P. cambivora sporangium with sympodial proliferation  Empty sporagium showing sympodial proliferation |
Tāne Mahuta “Lord of the Forest” kauri tree  Tāne Mahuta “Lord of the Forest” is a giant kauri tree (approximately 47 metres in height) in the Waipoua Forest of Northland Region, New Zealand. Its age is unknown but is estimated to be between 1,250 and 2,500 years |
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P. pseudotsugae colony morphology on PDA  P. pseudotsugae colony growth on PDA agar |
P. austrocedrae - sporangia drawings  Phytophthora austrocedrae. Morphology of sporangia. Bar: 25 mm. Greslebin et al. 2007 |
Dead Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees along road |
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P. cambivora sporangia  Empty sporangia of P. cambivora showing nested internal proliferation |
P. lateralis on Port Orford cedar  Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France. |
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. |
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P. palmivora oogonia  P. palmivora oogonia with antheridia |
P. pinifolia on Pinus radiata  Pinus radiata, note Infected needles at right angles to stem |
P. tentaculata hyphae  Looping hyphae commonly seen with P. tentaculata on PARP media |