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How soon to mow after application of MSMA?

Discussion in 'Pesticide & Herbicide Application' started by thor20003, May 19, 2007.

  1. thor20003

    thor20003 LawnSite Member
    Messages: 4

    I applied MSMA Wednesday evening and had sunny but cool days since then with dew in the mornings. Is it ok to mow now on Saturday and still get good kill?
  2. indyturf

    indyturf LawnSite Bronze Member
    from Indy
    Messages: 1,901

    after 48hrs your ok to mow.
  3. txgrassguy

    txgrassguy LawnSite Gold Member
    Messages: 3,083

    Depends what the label states.
    Changes from area to area based upon turf type, climatic conditions, other additives in the spray mix, etc.
    Bear in mind C4 turf actively grows at night verse C3 turf which grows during the day. Cooler nights will inhibit the up-take of the organic arsenical compound common in MSMA which means you have to wait longer than the time stated on the label to ensure reasonable efficacy.

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