General Use Recommendations

(for 2017 no changes to previous recommendation)

Recommendations for cereals:

  • Apply Group 13 fungicides preventatively.
  • Apply a maximum of 2 Group 13 fungicides containing sprays per crop solo or in mixture (co-formulations or tank mixes) with effective mixture partners from different cross-resistance groups.
  • If a second application is needed, it should be in tank-mix with an effective powdery mildewicide with another mode of action.
  • Always follow product specific label recommendations for resistance management.

Recommendations for grapes:

  • Apply Group 13 fungicides preventatively.
  • Group 13 fungicides must be applied in spray programs with fungicides of a different mode of action.
  • Apply a maximum of 3 Group 13 fungicide containing sprays per season, solo or in mixture (co-formulations or tank mixes) with effective mixture partners from different cross-resistance groups.
  • Do not exceed 2 consecutive applications of Group 13 fungicides per season.
  • Always follow product specific label recommendations for resistance  management.

Recommendations for cucurbits, fruiting vegetables and strawberries:

  • Apply Group 13 fungicides preventatively.
  • Group 13 fungicides must be applied in spray programs with fungicides of a different mode of action.
  • The number of sprays of group 13 fungicide per crop should not exceed 50% of the total number of powdery mildew sprays per season, solo or in mixture (co-formulations or tank mixes) with effective mixture partner from different cross resistance groups.
  • Do not exceed 2 consecutive applications of Group 13 fungicides per season.
  • Always follow product specific label recommendations for resistance  management.

Monitoring Results and Recommendations

At the annual meeting, the working group reviews the current year's monitoring results and decides whether they require changes be made to the next year's use recommendations.  The minutes of those meetings are below.

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Dr. Greg Kemmitt
Chair

Dow AgroSciences
Crop Protection R&D European Development Centre
2nd Floor,
3 Milton Park,
Abingdon
Oxon, OX14 4RN
U.K.

Tel: +44 (0)1235 437946
Fax: +44 (0)1235 437998
gkemmitt@dow.com