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Beetle or borers in Magnolia " Little Gem "

Discussion in 'Pesticide & Herbicide Application' started by Eastview Landscaping, Aug 28, 2002.

  1. Eastview Landscaping

    Eastview Landscaping LawnSite Member
    Posts: 21

    Have noticed die back of lots of branches on Magnolia Little Gems and until the other day was unsure what was goin on. I happened to break a branch off at the exact location of where a line of white eggs or larvae were present. Upon further investigation I found tunnels throughout all branches dieing off and a couple of small black beetles or boreres. Sent sample off to college but cant wait for more to die out. Need some help what to spray , or treat with ( about 20 trees affected) :blob2:
  2. Rob Spread & Spray

    Rob Spread & Spray LawnSite Member
    Posts: 205


    You could try a fall soil injection of Merit and I would mix it with a fertilizer to improve plant vigor, or a trunk and branch spray of Astro in the spring. Be sure to check labels.

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