Poison Ivy Control??

Discussion in 'Pesticide & Herbicide Application' started by twomancrew, Jun 18, 2014.

  1. whiffyspark

    whiffyspark LawnSite Fanatic
    Messages: 6,384

    Would pulling the root out of the ground and soaking that work better than cutting and soaking?
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  2. larryinalabama

    larryinalabama LawnSite Fanatic
    Messages: 19,348

    That's why I asked, thanks for the info.
  3. twomancrew

    twomancrew LawnSite Senior Member
    Messages: 940

    If licensed Tordon RTU is a great treatment for anything woody that we cut. It's a pretty blue liquid that gets squirt from the bottle directly to fresh cut stumps. On large stumps a ring around the layer under the bark will be all that's needed. One shot, kills everytime. It's 2,4-d and Picloram. Picloram is a terrible product to use unless great care is taken and directions must be closely followed or it will come back to bite you in the p-two-d. Picloram is a federally restricted use pesticide. Picloram will not harm most turf grasses if used according to the label.

    What they are telling me to do is to cut and wait for new shoots to grow and treat the new growth. Young tender shoots love to drink up herbicides:drinkup:and are close enough to the root to actually do some damage. We are going to rinse and repeat this process and literally wear the plant out until the root is dead. I would be happy with a top kill or burn out, but if I can I would go for a root kill for the long haul. Either one is going to get me paid on this job.

    I hope that is all right and correct.
  4. greendoctor

    greendoctor LawnSite Fanatic
    Messages: 9,975

    You really do not want to apply Tordon in any form near desirable trees and shrubs. Even as a cut stump or trunk injection application, enough Tordon exudes from the killed plant roots to then affect whatever those roots coexist with. If I had to worry about surrounding plants, RoundUp or Crossbow applied as a cut stump or trunk treatment. Arsenal is just as bad about migrating as well.
  5. twomancrew

    twomancrew LawnSite Senior Member
    Messages: 940

    I never used RU on a cut stump, does that really work? It always seemed to me that RU wants to be sprayed on a leaf. Also I never had much luck killing P. Ivy with it. It burns it a little, but it always comes back later- this is only my experience and I couldn't tell you at this time what rate I applied the RU at. Probably 6 or 8 oz/gal. I get sold a lot of Tomahawk, Buckaneer, and Glystar but it is all 4 lb. of Glyphosate/ gal. Who knows which one I was using.

    I'm going to this place today around 3:30 to have a walk with the DNR- what rate Glyph when applied to stumps? I'll do a few up today and see how it works. Please and Thanks.

    I can't tell you folks how much I appreciate the help with this. I appreciate this. Thanks.
  6. twomancrew

    twomancrew LawnSite Senior Member
    Messages: 940

    I misspoke on Tordon RTU- the RTU formula is not a RUP.
  7. twomancrew

    twomancrew LawnSite Senior Member
    Messages: 940

    Met with rep on site this AM and we come up with Tordon RTU on the cut vines and spot and broadcast treat everything else with 1/4 lb. of Dicamba and 2 lbs. 2,4-d per acre. He told me not to let it run off when I spray. He has a nice nurse tank they are going to loan me to mix the Dicamba in because I never put that in mine and it is hard to rinse out after. I put all sorts of it through my sprayer so it won't matter. Normally I add it in the tank when I see clover or other tough stuff in lawns. Oracle is the label name I have. I've had great luck with it at 1 lb. per acre but never around trees like that. That's way off the label:) I'm doing some small areas at other accounts next week. I'll try to get pics, but my phone likes to fall out of my pocket when I ride anything and if I don't have it on me I won't stop working to go get it.

    The comment about 3-way stuck out to me yesterday and the rep today said since I already have Dicamba and 4lb. lovolester to go with that for the money it'll be enough he said. Years ago I bought a lot of Trimec and it seemed a bit spendy back then for what was in it. A high price for convenience I always thought. It used to have crabgrass control of some sort in it too I think. Trimec Classic or something IDK.
  8. White Gardens

    White Gardens LawnSite Fanatic
    Messages: 6,776

    I would apply either roundup concentrate or stump killer concentrate to the fresh cuts on the vines.

    As for lawns, I would use surge in the hotter parts of the summer, then speed zone in the cooler parts of the year.

    I'm a scorched earth type of guy when It comes to poison ivy. Roundup spiked with surge. If grass dies, then it's just collateral damage. Once controlled, it's can be easy to take care of.

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  9. americanlawn

    americanlawn LawnSite Fanatic
    from midwest
    Messages: 5,954

    Riggle is spot on (as usual). twoman -- do not try to pull poison ivy out by the roots, cuz you won't get 'em all, and the poison ivy will eventually regrow. Wait until more leaves appear & spray 'em again. This will allow the product to translocate throughout the root system.

  10. greendoctor

    greendoctor LawnSite Fanatic
    Messages: 9,975

    RoundUp concentrate applied to a number of tree and vine cut surfaces will kill them. If applied immediately after cutting.

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