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Welcome to the Resistance Action Groups (RAGs) website

The Resistance Action Groups are informal, UK-based groups consisting of experts from the Crop Protection Association (CPA) member companies and independent organisations.

Resistance highlight

Fungicide Resistance Management in Cereals

12 May 2008: FRAG-UK have published updated guidance on the management of fungicide resistance in cereal crops.

Fungicide Resistance Management in Oilseed Rape

15 April 2008: FRAG-UK have published new guidance on the management of fungicide resistance in oilseed rape crops.

Resistance News

  • HGCA Information Sheet
    26 August 2008: HGCA have published and information sheet on Managing the risk from herbicide resistant black-grass
  • IRAG guidelines
    26 August 2008: Two IRAG guidelines have been issued
  • UK WRAG Steering group meeting minutes 16 April 2008
    26 August 2008: The minutes of the April 2008 meeting of the Weed Resistance Action Group are now available.
  • Aphid Resistance Alert
    21 June 2007: IRAG Resistance Alert - insecticide-resistant peach-potato aphids on potatoes: So far in 2007 Peach-potato aphids (Myzus persicae) have been caught in unprecedented numbers. IRAG have published advice on insecticide use for this season.
  • IRAG - UK 17th Meeting Minutes
    13 March 2007: The minutes of the 17th meeting of the Insecticide Resistance Action group are now available.
  • Azole performance trials: Results
    18 September 2006: Summary results of the PSD funded trials assessing the response of Septoria tritici to azole fungicides are now available.

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