Colony morphology on PDA at 14 days
Photo Gallery
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P. siskiyouensis colony morphology on PDA  |
P. tentaculata disease symptoms on sticky monkey flower  Outplanted sticky monkey flower (Diplacus aurantiacus) infected with P. |
P. pseudotsugae colony morphology on V8  P. pseudotsugae colony growth on V8 agar |
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P. ramorum sporangia and chlamydospores  Sporangia and chlamydospores of P. ramorum |
P. pseudosyringae sporangium  Ovoid, semipapillate sporangia showing medium length pedicel |
Phytophthora cactorum disease symptoms on English walnut  Dieback of Juglans regia caused by Phytophthora cactorum |
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P. austrocedrae oogonium  Oogonia with and without brown pigment, photo from Q-bank, used with permission |
P. austrocedrae colony morphology on PDA  Colony morphology of P. austrocedrae at 16 C after four weeks on PDA |
Austrocedrus associated with Mal del ciprés.  Austrocedrus with basal resin flow associated with Mal del ciprés. |
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P. pluvialis symptoms on Douglas-fir  Red needle cast symptoms on Douglas-fir in western Oregon, 2015 |
P. pinifolia on Pinus radiata  Pinus radiata, note Infected needles at right angles to stem |
P. siskiyouensis sporangium  P. siskiyouensis sporangium with lateral semi-papilla and subterminal, sub-basal insertion in the sporangiophore |