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Fusarium species, infecting around flowering present the greatest risk to grain quality including reduced specific weight. Levels of DON (deoxynivalenol) and ZEA (zearalenone) are generally very low in UK barley. Risk factors are likely to be the same as those for wheat.
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Check that intended pesticide treatments are acceptable to your buyer. Certain export malt markets have specific requirements.
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If necessary, apply a T3 'earwash' spray (usually triazole based) to control ear diseases.
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Background to fusarium mycotoxins: legal limits, UK occurrence, risk factors and reduction, and testing methods.
Note that the assessment scheme in this publication only applies to wheat.
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The British Beer and Pub Association (BBPA) and Brewing Research International (BRI) list of acceptable chemicals is available from most merchants and consultants, or from BRI.
Note: BBPA replaces BLRA (Brewers' and Licensed Retailers'Association)
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www.food.gov.uk/ multimedia/pdfs/ fusariumcop.pdf
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A comprehensive list of all active ingredients registered in the UK for barley.
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Lists pesticides currently approved for use in both field and store.
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