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Perennial target & other Cankers


David Humphries
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Not forgetting to mention the annual infection of the occluding tissues being the cause of the target like appearance, and lack of successful occlusion.
well yes indeedy.

 

David, I also can't recall seeing failure at a target canker, except for such a canker from Cronartium fusiforme on Pinus taeda.

 

Here's a Q robur in Brooklyn NY US

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On 27/02/2014 at 17:32, David Humphries said:

 

here's a roadside Prunus that would have me looking a bit closer if I was managing it.

 

 

.

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4 years on and the local LA have removed this cherry posted earlier in this thread. Although the outer canker was seemingly not eating away at a particularly fast rate the actual vitality of the tree was in significant decline. Hopefully will be replanted in the next round of replanting. 8F671545-253A-4AAC-8319-25B134206913.jpeg.75462f969217f408020d3ce0b423c7a3.jpeg13FEFF08-F176-4223-9D68-5075B843D23B.jpeg.1c9335aaf40e339e1b951abdc0164292.jpeg868E33B8-3503-4185-AB1C-CC23F36FB70F.thumb.jpeg.da7dc3bad905880c6553ddc9ecbce375.jpegD1C91853-C02A-401F-A7E2-A10394A54365.thumb.jpeg.86b10abe1952230defd22e6728212d86.jpeg

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