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Red Oak - Diseased or Dying https://www.dirtdoctor.com/efl/dirtDoctor/red-oak-diseased-or-dying-t11233.html |
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Author: | Michael_B [ Thu Jul 01, 2010 6:11 am ] |
Post subject: | Red Oak - Diseased or Dying |
Hi, I have a large, established Red Oak in the back yard (along with lots of Live Oaks). A couple of weeks ago a lot of the leaves started turning brown and dying. One photo is attached below, and I've posted a small number of other photos that show the detail of what's happening here: http://picasaweb.google.com/110181772155578844823/Tree (Click on individual photos to magnify them.) Any diagnosis or recommendations? Recent activity: 1) Dead wood (quite a few lower branches) were pruned in late April. Wounds were sprayed. The company that did the work says they sterilize their equipment, etc. (That's why I chose them!) 2) In early April I cleared the mulch under the tree, spread a layer of compost, tilled it into the soil by hand, put fertilizer stakes around the perimeter, and reapplied a layer of mulch. Location: Austin, TX Thanks! Michael Attachment: P1040427.jpg [ 130.06 KiB | Viewed 4218 times ] |
Author: | LostCreek [ Tue Jul 06, 2010 11:08 am ] |
Post subject: | Re: Red Oak - Diseased or Dying |
I have no idea. I hope it's not oak wilt. What are your typical irrigation habits? Have they changed? One that large should be relatively immune from heat problems. |
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