Crabgrass and late Dimension post emergent

Discussion in 'Pesticide & Herbicide Application' started by RigglePLC, Aug 19, 2012.

  1. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,343

    I treated some crabgrass with Dimension .13 percent on fertilizer very late: July 31. It was in the early stages of seed head production. I applied untreated control, regular strength, and double strength.

    I was surprised. The crabgrass began to turn brown to a mild degree, after 2 weeks. The double treatment had a more pronounced effect. No effect on control. Stay tuned.
     
  2. Duekster

    Duekster LawnSite Fanatic
    from DFW, TX
    Posts: 7,961

    Dimension will control early stage CG
     
  3. georgialawn88

    georgialawn88 LawnSite Bronze Member
    Posts: 1,075

    how did this turn out riggle?
     
  4. RigglePLC

    RigglePLC LawnSite Fanatic
    Posts: 12,343

    Last year...the late Dimension treatment in the end did not control the crabgrass--slowed it down slightly.
    This year it got darker. I was hopeful until I realized it was from the fertilizer in the Dimension which I applied. Iron at high rates seemed to have a mild burning effect on the crab. Turned it black.

    Drive is the product of choice for post emergent around here.
     

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