Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm)
Photo Gallery
|
P. arenaria sporangia  |
P. alni canker on gray alder  Grey alder (A. incana) with collar rot caused by P. alni |
P. siskiyouensis disease symptoms on Italian alder  Grove of dying trees in a commercial landscape in Foster City, CA |
|
P. boehmeriae chlamydospore  Globose chlamydospore of P. boehmeriae |
P. tentaculata sporangium  Papillate sporangium of P. tentaculata |
P. agathidicida lesion on kauri tree  Close up of gum oozing out of lower trunk lesions of a young kauri tree at Maungaroa Ridge, Piha region of Waitakere Regional Park |
|
P. palmivora sporangia, chlamydospores, hyphae  Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
Phytophthora taxon Agathis bole canker  Kauri tree in New Zealand with disease symptoms |
P. siskiyouensis colony morphology on V8  Colony morphology on V8 at 14 days |
|
P. chlamydospora colony morphology on V8 agar  P. chlamydospora colony morphology on V8 agar |
P. cinnamomi on Banksia  Gretna Weste injecting Banksia with phosphonate |
P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |