Agrochemicals

Fungicide resistance management strategies

  • Powdery mildew
  • Downy mildew
  • Botrytis (bunch rot)

  • Grape powdery mildew

    Fungicide activity group(s)

    Resistance Management Strategy

    Group C (DMI)

    Group E (morpholine)

    Group K (strobilurin)

    Group M (phenoxy quinoline)

    1. DO NOT apply more than two consecutive sprays of a Group C fungicide.
      DO NOT apply more than three Group C sprays per season.
      DO NOT use Group C fungicides curatively.

       

    2. DO NOT apply more than two consecutive sprays of a Group E fungicide.
      Do not apply more than three Group E sprays per season.

       

    3. DO NOT apply more than three sprays per season of Group K fungicides. If two or three consecutive applications of Group K fungicides are used, then they must be followed by at least the same number of applications of fungicide(s) from a different group(s), before a Group K fungicide is used again, either in the current or following season.
      DO NOT use Group K fungicides curatively.

       

    4. DO NOT apply more than two consecutive sprays of a Group M fungicide.
      Do not apply more than three Group M sprays per season.

       

    This information has been kindly provided by Avcare.