Colony morphology on PDA at 14 days
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P. cryptogea colony morpholgy on PDA  |
P. megakarya disease symptoms on Theobroma cacao fruit  Disease symptoms on a cocoa pod |
P. cambivora coralloid hyphae  Coralloid hyphae with hyphal swelling-like structures |
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P. katsurae disease symptoms  Infected chestnut tree with girdling canker on stem |
P. tentaculata disease symptoms on California mugwort  Outplanted California mugwort (Artemisia douglasiana) infected with P. tentaculata, 4.5 years after planting. Plant shows stunting and chlorosis. (P. cryptogea and P. lacustris were also baited from roots/soil of this plant). |
P. cambivora inactive lesion on chinquapin  Inactive lesion of P. cambivora on chinquapin |
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P. nicotianae oogonia  P. nicotianae oogonia 100x. Photo from Q-bank: www.q-bank.eu, Henk Brouwer (CBS-KNAW, Utrecht, The Netherlands) |
P. cambivora sporangia  Empty sporangia of P. cambivora showing nested internal proliferation |
P. cryptogea sporangium  Ovoid non-papillate sporangia in water. |
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P. pseudotsugae sporangia  Broadly ovoid, papillate sporangia in water |
P. cambivora colony morphology on MA  Appressed colony morphology at 14 days at 20°C on MA |
P. siskiyouensis canker on Italian alder  Bleeding canker at the base of a tree and a sprinkler emitter (arrow) adjacent to the trunk |