Bleeding canker on European beech (Fagus sylvatica)
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P. cactorum bleeding canker  |
P. cactorum sporangia  Broadly ovoid, papillate sporangia in water. |
P. cactorum sporangium  P. cactorum sporangium |
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Phytophthora cactorum disease symptoms on English walnut  Dieback of Juglans regia caused by Phytophthora cactorum |
Phytophthora cactorum disease symptoms on English walnut  Mortality of Juglans regia caused by Phytophthora cactorum. |
P. cactorum bleeding canker  Bleeding canker on red oak (Quercus rubra) |