Photo Gallery

P. nemorosa hyphal swellings ‘Blistered’ hyphal swellings in agar	P. pseudotsugae sporangium Broadly ovoid, papillate sporangium in water	P. pseudotsugae colony morphology on V8 P. pseudotsugae colony growth on V8 agar
P. pluvialis on Pinus radiata in New Zealand Typical red needle cast symptoms along a twig. Lesions begin at the base of the needle which subsequently turns brown and is cast from the twig.	P. pluvialis colony morphology on carrot agar Colony morphology on carrot agar at 20 days	P. megakarya oospore P. megakarya oogonia, oospore, and antheridium
P. ramorum leaf symptoms on tan oak Tip symptoms on tanoak seedling (Notholithocarpus densiflorus).	P. pinifolia on Pinus radiata Pinus radiata, note grey and collapsed needle bases	P. agathidicia disease symptoms on kauri Crown decline of mature kauri, with branchlets with little or no leaves
P. ramorum zoospores Sporangium of P. ramorum releasing zoospores	P. megakarya sporangium Caducous papillate sporangium of P. megakarya	P. cambivora sporangium Ovoid non-papillate sporangia with well-rounded base and simple sporangiophore