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Victoria plum tree stem has blister growth

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  • #1

    Victoria plum tree stem has blister growth

    Some of the small stems have strange blister like growths on them.
    If I had to describe it, I would say that that it looks like a cluster of small woodlice with clear resin over them, spread along the stem.

    I had a quick look for diseases of plum tree on the web.

    Any ideas please?
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  • #2
    Bacterial canker!
    The weeks and the years are fine. It's the days I can't cope with!

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    • #3
      Thank you for your prompt reply. I will have to prune carefully and surgically.



      Bye

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      • #4
        Canker shows itself in a purple/brown stain inside the branch. Our plum trees often produce resin like this on the bark where it has split and the sap leaks out. You often get the same sort of thing on damaged fruit. Before I started to look for Canker I would want to see more symptoms of it than just a few drops of resin.

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        • #5
          Aha,

          It was not bacterial canker, but, scale insect infestation.

          Look at http://www.ipm.ucdavis.edu/PMG/PESTNOTES/pn7408.html (main section of all scale insects)

          http://www.ipm.ucdavis.edu/PMG/E/I-HO-EKUN-AD.007.html (plum related)

          Had to remove some stems due to those things.


          bye

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