On Thu, 23 Aug 2007 15:36:31 -0400, Leon Fisk
wrote:


Any chance you have crabapple trees planted close by? Some
of the Hybrid Poplars were planted with crabs and some in
another area more by themselves. Those amongst the crabs
faired the worst. The other group has much less problem with
the cankers. Most likely just a coincidence...

You're probably right about it being a coincidence.

We had one crabby but he died long before the popsters showed any
problems and it was far removed from them to boot.