A stand of Pinus radiata trees affected by red needle cast disease. Note that frequently only the lower part of the crown is affected.
Photo Gallery
P. pluvialis on Pinus radiata in New Zealand |
P. lateralis on Port Orford Cedar Horticultural planting of Port-Orford cedar, photo from USDA Forest Service, Dorena Genetic Resource Center |
P. austrocedrae semipapillate sporangium P. austrocedrae - semipapillate sporangium with off-center attachment. |
P. cactorum bleeding canker Bleeding canker on European beech (Fagus sylvatica) |
P. pinifolia on Pinus radiata Dead needles on lower side of P. radiata branch. |
P. ramorum on larch in the United Kingdom Larch trees with P. ramorum in the UK |
Austrocedrus associated with Mal del ciprés. Austrocedrus with basal resin flow associated with Mal del ciprés. |
Healthy Port Orford Cedar tree Healthy Chamaecyparis lawsoniana tree |
P. nemorosa oogonium Oogonium with amphigynous antheridium |
P. ramorum bleeding canker Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. agathidicia oogonia P. agathidicida oogonia with SEM (top) and light microscopy (bottom) |
P. cambivora symptoms P. cambivora on Fagus sylvatica bole |