Colony morphology on carrot agar at 20 days
Photo Gallery
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P. pluvialis colony morphology on carrot agar  |
P. pluvialis on Pinus radiata in New Zealand  A Pinus radiata needle showing faded olive- or khaki- coloured lesions consistent with the presence of red needle cast disease. Arrow shows resinous bands within the extended olive lesion. |
P. pluvialis sporangium  Sporangia showing typical ovoid shape and semi-papillate condition |
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P. pluvialis sporangia.  P. pluvialis sporangia on tape peel from infected Douglas-fir needle. |
P. pluvialis symptoms  Symptoms of red needle cast on Douglas-fir needles |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
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P. pluvialis on Pinus radiata  A Pinus radiata needle showing black resinous bands or marks consistent with the presence of red needle cast disease. |
P. pluvialis symptoms on Douglas-fir  P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
P. pluvialis on Pinus radiata in New Zealand  Pinus radiata needles showing colour changes following infection with red needle cast disease. The tissues around the initial infection at the base or along the needle senesce, and change yellow and then brown as indicated by the arrows before the needles cast. |
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P. pluvialis colony morphology on carrot agar  Colony morphology on carrot agar at 20 days |
P. pluvialis on Pinus radiata needle  Clusters of sporangia emerge from stomata of an infected radiata pine needle. |
P. pluvialis sporangium  Sporangium showing typical ovoid shape and semi-papillate condition |