Basal canker on Chamaecyparis lawsoniana
Photo Gallery
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Basal canker on Port-Orford cedar  |
P. katsurae disease symptoms  Infected chestnut tree with girdling canker on stem |
P. austrocedrae irregular sporangium  P. austrocedrae - irregular sporangium with lateral attachment and swelling in sporangiophore |
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P. tentaculata disease symptoms on sticky monkey flower  Crown and root rot (left) on sticky monkey flower (Diplacus aurantiacus) compared with a control (right) |
P. siskiyouensis colony morphology on PDA  Colony morphology on PDA at 14 days |
P. pseudotsugae colony morphology on V8  P. pseudotsugae colony growth on V8 agar |
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Phytophthora cactorum canker on beech tree  Canker on Fagus sp. caused by Phytophthora cactorum. |
P. palmivora oogonia  P. palmivora oogonia with antheridia |
Dead Port Orford Cedar  Dead Chamaecyparis lawsoniana, BLM Roseburg District in Oregon |
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P. pseudosyringae sporangia  Ovoid, semipapillate sporangia showing sympodial development of sporangiophore |
P. austrocedrae semipapillate sporangium  P. austrocedrae - semipapillate sporangium with off-center attachment. |
P. agathadicida disease symptom  Excavated lesion, with outer bark removed showing extent of disease-front |