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Old 07-28-2014, 01:48 PM
 
49 posts, read 73,311 times
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Any American Elm expert here?

One of my big American Elm seems to be in big trouble. Many of the leaves are turning yellow and fall off this week, which is way too early.
I did some research on this and all points to possible Dutch Elm or Elm Yellows disease which in non-curable. The tree seems to be very healthy. The leaves just discolored and fell off, not wilting. I don't think it has the Dutch Elm disease as no wilting is observed. However, it's possible that it has Elm Yellows.

I'm contacting the local Arborist for consultation. While waiting for them to call back, I'm taking my panic here. Is there any possible reason (other than the 2 listed) that can cause the leaves to turn yellow this early? I have 3 big elms in my yard and this is the only one that turn yellow. However, if it is infected by elm yellows, the other 2 nearby may be in trouble as well.
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Old 07-30-2014, 05:45 PM
 
1,549 posts, read 1,539,666 times
Reputation: 1661
Quote:
Originally Posted by LanceD View Post
Any American Elm expert here?

One of my big American Elm seems to be in big trouble. Many of the leaves are turning yellow and fall off this week, which is way too early.
I did some research on this and all points to possible Dutch Elm or Elm Yellows disease which in non-curable. The tree seems to be very healthy. The leaves just discolored and fell off, not wilting. I don't think it has the Dutch Elm disease as no wilting is observed. However, it's possible that it has Elm Yellows.

I'm contacting the local Arborist for consultation. While waiting for them to call back, I'm taking my panic here. Is there any possible reason (other than the 2 listed) that can cause the leaves to turn yellow this early? I have 3 big elms in my yard and this is the only one that turn yellow. However, if it is infected by elm yellows, the other 2 nearby may be in trouble as well.
What's the drainage and irrigation system like there compared to the others? Is it heavily mulched? The only other thing I can think of of the top of my head is overwatering stress.
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