Photo Gallery

P. cinnamomi on Fraser fir Frasier fir Christmas trees, North Carolina	P. pluvialis on Pinus radiata in New Zealand 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.	P. tentaculata disease symptoms on sticky monkey flower Outplanted sticky monkey flower (Diplacus aurantiacus) infected with P. tentaculata 1.5 years after outplanting. Plant shows severe stunting and dieback.
Port Orford cedar seedlings Raised beds for testing disease resistance of Port-Orford-cedar seedlings at the Dorena Genetic Resource Center	P. megakarya sporangia (photo from Q-bank, used with permission). P. megakarya sporangia	P. tentaculata oogonia and antheridia Oospores and oogonia with mostly paragynous but some amphigynous antheridia of P. tentaculata
Dead and healthy Port-Orford cedar trees Chamaecyparis lawsoniana trees	P. megakarya oospore P. megakarya oogonia, oospore, and antheridium	P. pluvialis hyphal swellings P. pluvialis hyphal swellings in water
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.	P. tentaculata hyphae Looping hyphae commonly seen with P. tentaculata on PARP media	P. arenaria oogonium Aplerotic oogonia of P. arenaria with paragynous antheridia. Scale bar = 20 μm

Pages