Ornamentals – Grey mould (π˜‰π˜°π˜΅π˜³π˜Ίπ˜΅π˜ͺ𝘴)

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Crop(s):Β  Β  Β  Β  Β  Ornamentals

Disease(s):Β  Β  Β Grey mould (Botrytis)

Resistance Management Strategy for:

Group 2Β  Β  Β  Β  Β  Dicarboximide;
Group 9Β  Β  Β  Β  Β  Anilinopyrimidine (AP);
Group 9+12Β  Β  AP + phenylpyrroles;
Group 11Β Β  Β  Β  Β Quinone outside inhibitor (QoI);
Group 11+3Β  Β  QoI + Demethylation inhibitors (DMI); and
Group 17Β  Β  Β  Β  Hydroxyanilide.

  1. If three or fewer Botrytis fungicide sprays are applied per season, use only one spray containing a Group 9 fungicide (including 9+12). If four to six sprays are applied per season, use a maximum of two sprays containing Group 9 fungicides. If seven or more sprays are applied per season use a maximum of three sprays containing Group 9 fungicides.
  2. Do not apply more than two consecutive sprays of a Group 2, 9, 11, 12 or 17 fungicides.
  3. No specific resistance management strategy has been developed for low-risk fungicides, including those in Group M and BM. These products should be included in a management strategy as per label recommendations.

Related fungicide Documents

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URL: https://croplife.org.au/resources/programs/resistance-management/ornamentals-grey-mould-3/
Content last updated: July 14, 2023

CropLife Australia’s Resistance Management Strategies provide a guide for crop protection product rotation through product groups. The strategies are a useful tool that supports farmers’ adoption of resistance management. All crop protection products must be handled and applied strictly as specified on the product label or APVMA permits.

These Resistance Management Strategies do not replace product labels. They are a guide only and do not endorse particular products, groups of products or cultural methods in terms of their performance. It is important to check with the Australian regulator’s (APVMA) product database for contemporary information on products and active constituents. The database can be sourced through www.apvma.gov.au

The information given in this strategy is provided in good faith and without any liability for loss or damage suffered as a result of its application and use. Advice given in this strategy is valid as at 14 July 2023. All previous versions of this strategy are now invalid.

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