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Go by label on rain?

Discussion in 'Pesticide & Herbicide Application' started by Athletic field, Jul 31, 2008.

  1. Athletic field

    Athletic field LawnSite Member
    Messages: 152

    I'm going to spray Drive on a football field for crabgrass. Label says not to have irrigation for 24 hrs. There is a threat of rain coming the evening I want to spray. Just wondering if you follow this strictly, or if some of you found that it could be a shorter time frame before an irrigation event and have good control. The field has a severe case of crabgrass.
  2. ICT Bill

    ICT Bill LawnSite Platinum Member
    Messages: 4,115

    Its that time of year, especially if there are bare spots, they seem to populate it overnight

    soil above 70??? crabgrass

    LIBERTYLANDSCAPING LawnSite Bronze Member
    from Indiana
    Messages: 1,283

    Thanks, Mr. Obvious!;)
  4. heritage

    heritage LawnSite Bronze Member
    Messages: 1,351


    IMO, I would NOT make the application unless the chance of rain is slim to none.

    It is all of OUR responsibility to use Best Management Practices, when using Pesticides.

    Don't chance wasting the app.

    Do it correctly Every Time :)


  5. JDUtah

    JDUtah LawnSite Silver Member
    from UT
    Messages: 2,636

    What he said...
  6. mngrassguy

    mngrassguy LawnSite Silver Member
    Messages: 2,167

    Follow the label. Why take the chance of wasting the money? 48 hours is even better.
  7. RigglePLC

    RigglePLC LawnSite Fanatic
    Messages: 13,562

    24 hours before irrigation--that is round numbers. A few hours of dry conditions should be fine. Crabgrass grows fast--you can't wait forever.

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