Raised beds for testing disease resistance of Port-Orford-cedar seedlings at the Dorena Genetic Resource Center
Photo Gallery
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Port Orford cedar seedlings  |
P. pluvialis symptoms on Douglas-fir needles  Symptoms of red needle cast on Douglas-fir needles |
P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
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P. cactorum sporangium  P. cactorum sporangium |
P. lateralis on Port Orford Cedar  Horticultural planting of Port-Orford cedar, photo from USDA Forest Service, Dorena Genetic Resource Center |
P. pinifolia on Pinus radiata  Dead needles on lower side of P. radiata branch. |
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P. kernoviae leaf wilt  Wilted leaf of infected rhododendron |
P. nicotianae colony morphology on CMA  Phytophthora nicotianae CBS 321.49 CMA after 7 days at 24 degrees. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. pluvialis hyphal swellings  P. pluvialis hyphal swellings on agar |
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P. palmivora sporangia, chlamydospores, hyphae  Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
P. cactorum colony morphology on PDA  Colony morphology on PDA at 14 days |
Growth of P. megakarya on V8 agar  Growth of P. megakarya on V8 agar |