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What causes rand dead rings of grass?

Discussion in 'Turf Renovation' started by RLS 2010, Oct 1, 2012.

  1. RLS 2010

    RLS 2010 LawnSite Member
    Messages: 97

    Anyone have any ideas what would cause random dead rings of grass like in the attached picture? This is in one of the lawns I mow, I haven't seen anything like it before. Also any idea what would cause a dead ring of grass about 15 out from an oak tree?

    vance grass.jpg
     
  2. Dave does lawns

    Dave does lawns LawnSite Senior Member
    Messages: 257

    Beginning of fairy ring?
     
  3. R & R Yard Designs

    R & R Yard Designs LawnSite Senior Member
    Messages: 646

    NRS That looks to be
    Posted via Mobile Device
     
  4. grandview (2006)

    grandview (2006) LawnSite Gold Member
    Messages: 3,465

  5. RigglePLC

    RigglePLC LawnSite Fanatic
    Messages: 13,723

    Notice the more intense and sharper border on the opposite side of the ring. More diffuse on the near part of the circle. I suspect that someone was standing on the opposite side and tried to kill a weed in the center. Is that a clump of Bermuda in the center? Can you find a dead weed in the center. Maybe they were using a hollow cone nozzle.

    Do you have big dogs in Leonardtown? Is there any sign of intensified green?
     
  6. RLS 2010

    RLS 2010 LawnSite Member
    Messages: 97

    I'll have to check the center of the rings when I return Saturday. The customer did recently have a falling out with her Fert & Squirt company and was at one point spring dandelions as she saw them, so this is a very viable option. I'll try to get some better pictures too.
     

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