[CANUFNET] Dutch Elm Disease tolerance

[Meagan Hanna via CANUFNET]

Hi Alison,


Sounds like you've got quite the elm saga on your hands 😉


I'm not sure if the following references can be useful for you, but possibly a nudge in the right direction. I'd give it a shot.


I just saw Dr. Charles E. Flower, Research Ecologist with the USDAFS, present on his team's research of DED at the ISA Conference in Ohio this past week. Some sections of the following proceedings address condition but I'm sure there's a lot to say on the topic https://www.fs.fed.us/nrs/pubs/gtr/gtr_nrs-p-174.pdf


If I was in your position, I'd contact him directly with your query and maybe someone on the team could guide you further. https://www.fs.fed.us/research/people/profile.php?alias=charlesflower


Wishing you the best of luck with your case,

M




Meagan Hanna, MA.
meagan.hanna at mail.mcgill.ca
________________________________
From: CANUFNET <canufnet-bounces at list.web.net> on behalf of Alison Bond via CANUFNET <canufnet at list.web.net>
Sent: August 7, 2018 2:31:46 PM
To: canufnet at list.web.net
Subject: [CANUFNET] Dutch Elm Disease tolerance

Hello Canufnet:

Do you know of any research that indicates whether resistance to DED is affected by tree health/vigour?  Much of what I can find indicates that trees are being selected based on their resistance to DED but it isn't clear if the tree is just not susceptible to DED or whether it is actively fighting the disease.  If the latter, one would expect that the tree would be more prone to infection when it has been otherwise compromised (e.g., new sidewalk cut into its roots.)  Thoughts?

Thank you.
Alison

Alison Bond BSc MSc BLA   OALA  CSLA
Landscape Architect and Certified Arborist

ENVISION-TATHAM Inc.
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