Bole lesions in the tissues under the bark of a bleeding canker: distinct margin between healthy and disease tissues
Photo Gallery
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P. siskiyouensis canker on Italian alder  |
P. pinifolia colony morphology on PDA  Colony pattern after 7 days on PDA at 24C, photo from Q-bank, used with permission. |
P. megasperma sporangium  Ovoid, non-papillate sporangia |
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P. boehmeriae sporangium  Sporangium showing ovoid and ovoid to spherical shape and papillate condition |
P. cactorum bleeding canker  Bleeding canker on European beech (Fagus sylvatica) |
P. lateralis on Port Orford cedar  Small root lesions on Chaemacyparis lawsoniana |
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P. megasperma colony morphology on PDA  Colony morphology on PDA at 7 days |
P. palmivora oogonium  P. palmivora oogonium |
P. ramorum sporangium  P. ramorum sporangium |
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P. pluvialis - appearance of new growth  Tufted appearance of new growth from surviving buds on Douglas-fir, one year after defoliation. |
P. frigida symptoms 4  Black wattle timber with symptoms of gummosis |
P. frigida symptoms 1  Symptoms of gummosis on black wattle |