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Pin Oak (I believe) leaves

Discussion in 'Plant Health' started by Bobby Kirbos, Dec 3, 2017.

  1. Bobby Kirbos

    Bobby Kirbos ArboristSite Operative

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    Any idea what causes leaves to pattern like this?
    Oak Leaves.jpg.jpg
     
  2. ATH

    ATH Addicted to ArboristSite

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    How did they look during the growing season?
     
  3. Bobby Kirbos

    Bobby Kirbos ArboristSite Operative

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    Don't know. The squirrel that lived in that tree is no longer available for questioning. He made a mistake on the bird feeder one day and somehow came down with a case of fast lead poisoning.
     
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  4. Del_

    Del_ I'm completely reformed.

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    My guess is systemic herbicide.
     
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  5. Jason Douglas

    Jason Douglas ArboristSite Operative

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    Herbicide looks good as does physiological leaf scorch or pretty extreme deficiency. Combo perhaps.
     
  6. Bobby Kirbos

    Bobby Kirbos ArboristSite Operative

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    1. We had a late fall season here in PA. A good number of trees still had their leaves until last week. They extended municipal leaf pickup by 1 week because of this. Could it just be a normal thing caused by the weather this season?
    2. The tree is on my neighbor's property but it is close to my property line. I did use a selective lawn weed killer this summer - one that kills clover in addition to the "normal" lawn weeds, and I did spray the area under that tree. I don't remember if it was a Bayer, Round-up, Spectricide, or Ortho brand, but it was 1 of those.
    It's not really a big deal, I was just wondering if there was a known reason as to why the leaves would look like this. They do look really cool IMHO - not just the solid brownish-red that they usually get.
     

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