Crown decline of mature kauri, with branchlets with little or no leaves
Photo Gallery
P. agathidicia disease symptoms on kauri |
P. siskiyouensis colony morphology on V8 Colony morphology on V8 at 14 days |
P. cactorum bleeding canker Bleeding canker on red oak (Quercus rubra) |
P. nemorosa colony morphology on PDA Colony morphology on PDA at 14 days |
P. nicotianae chlamydospore Globose chlamydospore (Fitopatol. bras. 2005) |
P. katsurae disease symptoms Infected chestnut tree with girdling canker on stem |
P. palmivora sporangia, chlamydospores, hyphae Sporangia (sporangiospores), chlamydospores, and hyphae stained with Cotton Blue |
P. ramorum bleeding canker Bark cracks with black ooze in coast live oak, a symptom of P. ramorum canker. |
P. boehmeriae oogonia Oogonia and oospores with amphigynous antheridia |
P. pseudosyringae colony morphology on PDA Colony morphology on PDA at 14 days |
P. pseudosyringae sporangium Ovoid, semipapillate sporangia showing medium length pedicel |
P. cambivora tar spots Tar spots on European beech (Fagus sylvatica) with bark removed. Lesse, Germany |