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
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P. pluvialis on Pinus radiata in New Zealand  |
P. cambivora colony morphology on PDA  Cottony colony morphology at 14 days at 20°C on PDA |
P. katsurae sporangia  Papillate, non-caducous sporangium with differentiated content; photo used with permission from Q-bank |
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P. frigida sporangia  Noncaducous sporangia showing ovoid shape and papillate condition |
P. ramorum bleeding canker  Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. austrocedrae - Mal del ciprés in Argentina  Mal del ciprés looking toward Rio Grande, Chubut Province, Argentina |
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P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
P. ramorum sporangium  P. ramorum sporangium |
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
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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. ramorum sporangium  Deciduous sporangium, photo from Q-bank, used with permission |
P. frigida symptoms 4  Black wattle timber with symptoms of gummosis |