Lesions consistent with the presence of red needle cast disease are more abundant at the base of Pinus radiata needles as indicated by the arrow.
Photo Gallery
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P. pluvialis on Pinus radiata in New Zealand  |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
P. cinnamomi hyphal swelling  P. cinnamomi hyphal swelling (or thin walled chlamydospores) |
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P. pinifolia sporangia  Non- papillate and caducous sporangia of Phytophthora pinifolia isolated from the infected P. radiata needles. |
P. katsurae oogonium  Warty protuberances on oogonium |
P. alni in alder, Illwald, France  P. alni in alder, Illwald, France |
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P. cambivora tar spots  Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. pluvialis on Pinus radiata in New Zealand  A stand of Pinus radiata trees affected by red needle cast disease. Note that frequently only the lower part of the crown is affected. |
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P. cambivora oogonium  P. cambivora oogonium with antheridium |
Dying Port Orford Cedar trees  Dead Chamaecyparis lawsoniana trees |
P. alni lesion in alder, Illwald, France  P. alni lesion in alder, Illwald, France |