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Buttercups in barley

Discussion in 'Direct Drilling Crops & Agronomy' started by 5312, May 23, 2018.

  1. 5312

    5312 Member

    We had 20 acres direct drilled about a month ago with spring barley. It should have been sown last autumn.

    Over the winter a lot of buttercups took hold. It was sprayed with Rodeo a week after drilling, it has killed the grass and thistles but not the buttercups.

    Is it worth spraying again to kill them or will they be harmless?
     
  2. neilo

    neilo Member

    Location:
    Montgomeryshire
    I don’t know about their effect in cereals, but in grassland they produce a hormone that reduces growth of surrounding plants IIRC.
    A (cheap) squirt of 2,4D will see them sorted, for this year anyway.
     
    5312 likes this.

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