Weed killer and Preemergence question..

Discussion in 'Pesticide & Herbicide Application' started by Crocker21, Feb 27, 2009.

  1. Crocker21

    Crocker21 LawnSite Member
    Posts: 30

    I have recently received my pesticide license! I have two questions. I notice a lot of lawn care companies around NC using some type of weed killer that sprays blue. It almost looks like some kind of dye. I don't think its roundup but not sure. Anyone know the name of it?? Also, what is the best pre-emergent for centipedegrass and Bermudagrass??

    Thanks!
     
  2. Runner

    Runner LawnSite Fanatic
    Posts: 13,496

    Is it being sprayed over turf areas?
     
  3. ArizPestWeed

    ArizPestWeed LawnSite Bronze Member
    Posts: 1,457

    Doesn't matter where it's being used , it's a blue dye marker.

    I use Blazon
     
  4. Crocker21

    Crocker21 LawnSite Member
    Posts: 30

    so is it a dye mixed with roundup?? i guess to avoid missed spots?
     
  5. Runner

    Runner LawnSite Fanatic
    Posts: 13,496

    Yeah,...I would guess marker dye, is all.
     
  6. Jimmie

    Jimmie LawnSite Member
    Posts: 16

    Round up with blue dye marker
     
  7. Crocker21

    Crocker21 LawnSite Member
    Posts: 30

    question 2.
    what is the best pre-emergent for centipede grass and bermudagrass??
     

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