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Mixing Grazon90 and roundup

  • 29-06-2018 6:39pm
    #1
    Dunedin
    Registered Users, Registered Users 2 Posts: 2,447 ✭✭✭


    Spraying weeds and some grass at the minute. Is it a good idea to mix them or not. It’s mainly weeds.


Comments

  • #2
    whelan2
    Registered Users, Registered Users 2 Posts: 30,219 ✭✭✭✭whelan2


    I have done it in the past. Wouldn't spray in this weather tbh


  • #3
    invicta
    Registered Users, Registered Users 2 Posts: 281 ✭✭invicta


    Dunedin wrote: »
    Spraying weeds and some grass at the minute. Is it a good idea to mix them or not. It’s mainly weeds.

    Why??
    Round-up will kill everything including grass,so is mixing Grazon with it a waste??


  • #4
    patsy_mccabe
    Registered Users, Registered Users 2 Posts: 11,128 ✭✭✭✭patsy_mccabe


    invicta wrote: »
    Why??
    Round-up will kill everything including grass,so is mixing Grazon with it a waste??

    Like mixing a hangover cure with the vodka.


  • #5
    tractorporn
    Registered Users, Registered Users 2 Posts: 1,460 ✭✭✭tractorporn


    invicta wrote:
    Why?? Round-up will kill everything including grass,so is mixing Grazon with it a waste??


    Some claim a 50/50 mix of grazing and roundup will kill Mares Tail.


  • #6
    pms7
    Registered Users, Registered Users 2 Posts: 483 ✭✭pms7


    invicta wrote: »
    Why??
    Round-up will kill everything including grass,so is mixing Grazon with it a waste??

    I find some weeds around the garden survive Roundup..


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  • #7
    invicta
    Registered Users, Registered Users 2 Posts: 281 ✭✭invicta


    pms7 wrote: »
    I find some weeds around the garden survive Roundup..

    If they “survive” Roundup, then Grazon90 won’t have much effect.
    I wonder,even,if one would counteract the other?


  • #8
    riemann
    Closed Accounts Posts: 1,063 ✭✭✭riemann


    tractorporn wrote: »
    Some claim a 50/50 mix of grazing and roundup will kill Mares Tail.

    Not anyone with a knowledge of chemistry.


  • #9
    poor farmer
    Registered Users, Registered Users 2 Posts: 446 ✭✭poor farmer


    invicta wrote:
    Why?? Round-up will kill everything including grass,so is mixing Grazon with it a waste??


    I mix round-up and Grazon.
    200 ml round-up 100 Grazon per can 17-18 litres
    I'm adding the Grazon to kill briars and whins (furze)


  • #10
    _Brian
    Registered Users, Registered Users 2 Posts: 18,721 ✭✭✭✭_Brian


    poor farmer wrote: »
    I mix round-up and Grazon.
    200 ml round-up 100 Grazon per can 17-18 litres
    I'm adding the Grazon to kill briars and whins (furze)

    We use the Grazon on its own and it kills them just fine. Also doesn’t kill any grass around so minimise the impact of spraying.


  • #11
    _Brian
    Registered Users, Registered Users 2 Posts: 18,721 ✭✭✭✭_Brian


    tractorporn wrote: »
    Some claim a 50/50 mix of grazing and roundup will kill Mares Tail.

    I used a mix of grazon amd mcpa amd it killed off the mairs tail without killing the whole grass on the entry, killing off the whole cover just opens up formfirther weeds to erupt and take over.


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