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Norway Maples, limb dieback "flagging", CAUSE?

Discussion in 'Fertilizers, Pesticides and Diseases' started by Trees Too, Aug 17, 2014.

  1. Trees Too

    Trees Too LawnSite Silver Member
    Posts: 2,180

    Random limb dieback in Norway Maples, causing canopy/crown "flagging" or "stag heading" This is in southern Michigan. Any thoughts... Verticillium Wilt? borers? Delayed environmental stress from past drought or winter injury??? :confused:

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