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How long are you willing to apply Merit?

Discussion in 'Pesticide & Herbicide Application' started by ChicagoLawn, Jul 18, 2011.

  1. ChicagoLawn

    ChicagoLawn LawnSite Member
    Messages: 126


    I have a question that I would love to hear your professional opinion on.

    How late in the growing season have you applied/sold a Merit application to a client to prevent the possibility of white grub infestation?

    With all the heat/drought we have been experiencing, actual calendar date(July 18) and the need to achieve pre-emergent control what would you do?

    Thank you in advance!

  2. GrandMaster

    GrandMaster LawnSite Member
    from Utah
    Messages: 217

    Never past June. Use biferin or sevin now water in right away.*trucewhiteflag*
  3. jfoxtrot9

    jfoxtrot9 LawnSite Senior Member
    Messages: 288

    I don't even begin to apply Merit until late June/early July...

    Merit can be applied anytime in July, just make sure it gets watered in!
  4. dgw

    dgw LawnSite Bronze Member
    from OH
    Messages: 1,008

    i use prosect (bifentrhin in 18-0-4 by andersons @4 lbs of product per k) on some of my round 2 apps , usually ones that dont purchase a grub control

    and i keep it with me for issues throughout the season

    but i was under the assumption that it has no effect on grubs or their prevention

    am i mistaken ?
  5. RigglePLC

    RigglePLC LawnSite Fanatic
    Messages: 13,570

    Bifenthrin does not penetrate into the soil.
  6. greendoctor

    greendoctor LawnSite Fanatic
    Messages: 9,766

    Just about all of the "thrins" stay at the top, bound to the organic layer. If something is actually chewing the grass right now, my vote goes to Dylox. Sevin cannot be applied to residential lawns except as a spot treatment. Which makes it totally useless to me. I do not like "thrins" because they are sold for use by homeowners at the HD and "landscapers" abuse Talstar. Which leaves me with insect populations that are either not targets of "thrins" or are less susceptible. In fact, I just asked my CPS branch to bring in some Dylox 420 SL for me. I need to drench some lawns that are getting eaten up by sod web worm. Dylox actually works very well for me because I acidify the make up water with LI 700 before dropping in the Dylox.
  7. lawn king

    lawn king LawnSite Silver Member
    Messages: 2,388

    Bayer recommends merit apps by august 15th in the northeast, im finishing the last of ours this week!
  8. ChicagoLawn

    ChicagoLawn LawnSite Member
    Messages: 126

    Thank you for your help and quick informative replies. You guys are the best!

    Take care,

  9. GrandMaster

    GrandMaster LawnSite Member
    from Utah
    Messages: 217

    Doesnt need to.
  10. GrandMaster

    GrandMaster LawnSite Member
    from Utah
    Messages: 217

    Differant zones.... No one on here form utah I guess.

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