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pre-emergent test question

Discussion in 'Pesticide & Herbicide Application' started by lawn dawg, Dec 13, 2004.

  1. lawn dawg

    lawn dawg LawnSite Member
    Messages: 26

    had a question that stumped me today.
    what pre-emergent can be applied right after seeding new grass? common and chemical name would be appreciated.
  2. ArizPestWeed

    ArizPestWeed LawnSite Bronze Member
    Messages: 1,457

    Gallery ...................................................................
  3. hole in one lco

    hole in one lco LawnSite Bronze Member
    Messages: 1,793

    its not that good but bedder than nothing
  4. treedoc1

    treedoc1 LawnSite Senior Member
    Messages: 319

    tupersan won't affect grass seed germination
  5. only last 3 to 4 weeks
  6. Ray@LebanonTurf

    Ray@LebanonTurf LawnSite Member
    Messages: 57

    Here are the links to our products that contain this active. Control is short lived but very effective in new seeding situations where you are at risk of major crabgrass breakthrough. Other stratagies include letting the annual grasses come in and using a post like Acclaim or Drive. If you use Tupersan follow it up with a second application once the new seed is on it's way. I prefer Dimension [dithiopyr] as the follow up because of the early postemergent activity.

    Tupersan 4.6G

    ProScape 12-25-11 with Tupersan

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