Ulmus americana Princeton

treevet

treevet

Branched out member
Location
Cincinnati, Ohio
I have had at least half a dozen "Princeton" A. Elms die in the last year, one of which has been in the ground over 5 years and all very healthy. They (deaths) may have all been preceded by water stress to a small degree but with the number of them, I assume DED. One was on my own yard and I know the water deficiency was not enough to cause the death in and of itself.

We lost our Extension Agency recently so I am not pursuing a study on it but I wonder if anyone else has had disappointment with this plant....one of which is in a heartbreaking location and installation challenging spot. Uggh. They are supposed to be around 98% disease resistant I remember.

https://www.google.com/url?sa=t&rct...=esjSB_nu8QkGFoU67bdczw&bvm=bv.73231344,d.aWw
 
Dave, why not get a positive DED diagnosis first by inspecting sapwood for streaking?

O and sorry you missed that shingle oak job; 29 pound fruiting body, a record! The pruning went well though; it's a gorgeous tree.
 
I will probably check out the 2 current dead ones as the previous ones I just assumed water deficit. I will get involved with them next week likely.

Sorry I couldn't help you Guy, but was busy relaxing on a deck overlooking the La Jolla coast with a much needed vacay. ....love the NEW pict. system.get-attachment (1).webp
 
We planted several Princeton elms a few years ago that all wound up dying from DED. They were all grafted onto non DED resistant root stock. Beetle activity and fungal infection were primarily below the graft line in the root stock.
 
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