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Ortho® MAX Poison Ivy and Tough Brush Killer Concentrate Question

Discussion in 'Pesticide & Herbicide Application' started by Akita, Aug 18, 2009.

  1. Akita

    Akita LawnSite Member
    Messages: 25

    I recently purchased the 1 qt concentrate of this in hopes to rid of some poison ivy. My question is regarding application and mixing of this. The ready-to-use version of this only has 0.7% Triclopyr which from what I understand is rather weak and despite repeat applications may not get rid of poison ivy. The concentrate is 8% Triclopyr. The concentrate calls for 4oz of concentrate to 1 gallon of water. If I were to mix this according to the directions, wont this dilute it right back to the 0.7% of Triclopyr or come close? Could I just mix this either @ half of what the directions say or not mix it at all? I apologize for such a bonehead question but I wanted to make sure. If anybody has used this product or can recommend anything better please let me know. Thanks

    I will applying this by this tree(the name of this tree slips my memory right now). Newer sod about 3 ft in one direction while old lawn and hedges in the other direction if that helps.
  2. MarcSmith

    MarcSmith LawnSite Fanatic
    Messages: 7,157

    glyphosate aka roundup...2% solution...
  3. Akita

    Akita LawnSite Member
    Messages: 25

    Doesn't Glyphosate kill Grass?
  4. MarcSmith

    MarcSmith LawnSite Fanatic
    Messages: 7,157

    only if you spray it on it... o be honest. my concern would be for getting rid of the PI first. worrying about killing grass second...

    with fall comming up, you could spray now and then do a fall overseed. to fill in any patches or buy a few peices of sod/plugs depending on the type of grass.
  5. LushGreenLawn

    LushGreenLawn LawnSite Silver Member
    Messages: 2,120

    Ortho MAX Poison Ivy and Tough Brush Killer Concentrate also kills lawn grasses. Read the label.

    Don't mix above the labeled rate, its an environmental hazard, not to mention a felony.
  6. Think Green

    Think Green LawnSite Silver Member
    Messages: 2,746

    The beautiful thing about Glyphosate is its original design and its intended use.
    The product was intended to be a growth regulating herbicide, instead it was sold as a widely used non-selective herbicide. At lower concentrations, the product chemically translocates and controls the plant from within. Burn and or growth reduction is achieved. At higher label rates, total and complete control is achieved. The label on the professional use product has a vast chart for mixing round-up at different percentages for a desired rate of kill. Now, i am not telling the world to go out and apply gly to anything and everything, all i am saying is that yes--round up will kill everything it comes into contact with. It all depends on what percentage of the product that is mixed with water and surfactant.
    I control unwanted Bermuda grass excessive growth with glyphosate at my secret percentage. The grass will be stunted and will regain growth after the product wears out.

    From the looks of the photograph's above, I wouldn't hesitate to spray that three leaved vector. The tree in the background can be sprayed around without hurting the foliage. Round-up has no soil activity----meaning it will only control green vegetation. It can hurt young saplings and damaged roots through the xylem if it comes into contact.
    Just take care of not spraying it on damaged spots of live sapwood. I am referring to places like linetrimmer damage.
    If you are using glyphosate.........why not mix the two together and be done with it.
  7. RigglePLC

    RigglePLC LawnSite Fanatic
    Messages: 13,562

    Triclopyr is Ok to use on grass (maybe not bermuda, though).
    The EPA establishes a maximum rate per acre for triclopyr, and all other chemicals--so the final dilution is probably going to be the same. The ready-to-use is fine; it should work--no problem. The government won't say anything if you pull the trigger twice. Early June would have been the best time to spray poison ivy. Don't go nuts with this Ortho stuff, you could kill your tree. Repeat the spray in 7 days if you need to. Poison ivy has lots of underground roots and runners. Be ready to spray again next spring.
  8. Akita

    Akita LawnSite Member
    Messages: 25

    Thanks guys for your input. If you were in my position, would you keep the concentrate or take it back to the store and get the Roundup glyphosphate 2%? I do have bermuda if that helps. The photos that I posted above show the main area where I need to spray but I did see some random spots that I will also need to spray(spot treatment not a big area at all) that are either within the lawn or very close to the lawn. We're talking maybe 2 spots(appearing to be 1 vine or so each).
  9. 4.3mudder

    4.3mudder LawnSite Silver Member
    Messages: 2,227

    Doesn't look like you have hardly any poison ivy at all and that is a good thing, I hate that crap. I get it very easily.
  10. LushGreenLawn

    LushGreenLawn LawnSite Silver Member
    Messages: 2,120

    I would take it back and get the round up, keep in mind, you are not buying 2% round up, but mixing the concentrate at 2%. I think it works out to about 2oz per gallon, but check the label, it will tell you the exact amount to mix. Do not use more round up than specified, besides the downsides I mentioned earlier, on some plants it can be harder for them to translocate the AI if the mix is too strong.

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