Canker on a Kauri tree, New Zealand
Photo Gallery
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Phytophthora taxon Agathis bole canker  |
P. siskiyouensis canker on Italian alder  Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues |
P. boehmeriae oogonium  Oogonia and oospores with amphigynous antheridia |
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P. arenaria sporangia  Globose papillate sporangia of Phytophthora arenaria on V8 agar flooded with soil extract. (Scale bar = 20 μm) |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base |
P. cambivora colony morphology on MA  Appressed stellate colony morphology at 14 days at 20°C on MA |
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P. tentaculata microscopic characteristics  Hyphal swellings occuring at branching points of Mycelium (A), Intercalary hyphal swellings (B), Chlamydospore (C ), Sporangia (D) |
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. cambivora disease symptoms  Ink disease impact in sweet chestnut forest in Italy |
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P. lateralis on Port Orford Cedar  Horticultural planting of Port-Orford cedar, photo from USDA Forest Service, Dorena Genetic Resource Center |
P. nicotianae symptoms  Symptoms of gummosis on black wattle (Fitopatol. bras. 2005) |
P. cambivora sporangium  Ovoid non-papillate sporangia with well-rounded base and simple sporangiophore |