Elm Prognosis?

[guymayor]

Yellowish transition zone occurs with other conditions, right? That said it looks similar to these. I ID'd, what are the implications for management?
https://www.google.com/search?q=xyl...MKHb3aDS0Q9QEwAXoECAMQBg#imgrc=_S_jK63YppgURM:

 

[arthurj]

I think if I knew that's what it was I would take it down. I could send to a lab. Its dropping limbs now and even aside from the root pruning issue I'm starting to lean that way.