Clusters of sporangia emerge from stomata of an infected radiata pine needle.
Photo Gallery
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Basal canker on Port Orford Cedar stump  |
P. pluvialis on Pinus radiata needle  |
P. cambivora colony morphology on PDA  Rosaceous colony morphology at 14 days at 20°C on PDA |
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P. pinifolia colony morphology on V8  Colony pattern after 7 days on V8 at 24C, photo from Q-bank, used with permission |
P. lateralis on Port Orford cedar  Lesion caused by aerial infection on Chaemacyparis lawsoniana in Lopérec, France |
P. tentaculata disease symptoms on California mugwort  Nursery grown California mugwort plant (Artemisia douglasiana) infected with P. tentaculata and exhibiting severe root and crown rot |
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P. lateralis on Port Orford cedar  Typical decline of Chaemacyparis lawsoniana in Landrévarzec, France. |
P. agathidicida oospores  Oospores of P. agathidicida in the roots of kauri seedlings inoculated with P. agathidicida. The root has been cleared with potassium hydroxide and bleached with peroxide, before being stained with Trypan Blue |
P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
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Growth morphology on V8 of P. lateralis  Colony morphology on V8 at 14 days |
P. megakarya oospore
P. megakarya oogonia, oospore, and antheridium
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P. palmivora sporangia  Sporangia (sporangiospores) showing sympodial branching |