Port-Orford-cedar seedlings planted to test for Phytophthora lateralis resistance at the Dorena Genetic Resource Center
Photo Gallery
Dead and healthy Port-Orford cedar seedlings |
Growth of P. arenaria on MEA Colony morphology of Phytophthora arenaria after 7 days at 20°C on malt extract agar |
P. ramorum sporangia and chlamydospores Sporangia and chlamydospores of P. ramorum |
P. pluvialis symptoms on Douglas-fir P. pluvialis symptoms of red needle cast on Douglas-fir, western Oregon 2015 |
P. ramorum colony morphology on PDA P. ramorum colony morphology on PDA |
P. pluvialis oogonium and antheridium Oogonium and oospore with amphigynous antheridium |
Necrotic lesion in phloem caused by P. austrocedrae Necrotic lesion in phloem with resin pocket caused by P. austrocedrae |
P. lateralis colony morphology on PDA Growth morphology on PDA of Phytophthora lateralis |
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. cambivora on dead and dying chinquapin Dead and dying chinquapin infected with P. cambivora |
P. ramorum on larch in the United Kingdom Larch trees with P. ramorum in the UK |
P. agathidicia growth on V8 Colony morphology of ex-holotype ICMP 17027 after 10-days incubation at 20°C in the dark |