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Improved modeling of fusarium to aid mycotoxin prediction in UK wheat.

Discussion of current procedures for modeling the deoxynivalenol content of UK wheat, and of an ongoing project to improve the prediction of fusarium mycotoxin risk at key stages of the growing season and at different scales by the incorporation of more detailed meteorological data.

Year of Publication2010

Fusarium mycotoxin legislation was introduced for cereals intended for human consumption in 2006. For wheat the limits are 1250 and 100 μg/ kg for deoxynivalenol (DON) and zearalenone (ZON) respectively. A combined limit for HT2 and T2 is currently under discussion. Previous projects have modelled the DON content of UK wheat using agronomic factors. The model identified the importance of year, region, previous crop, cultivation, host resistance and fungicides. A risk assessment was developed for UK wheat based on this model. All growers must complete the assessment and the result is provided to the grain buyer at the point of sale as part of UK crop assurance schemes. If the risk assessment result is “high”, then the grower must also provide a DON test result at the point of sale.

Citation

Edwards, S. G. (2010) "Improved modeling of fusarium to aid mycotoxin prediction in UK wheat."Bioforsk Fokus 5 (7) pp 20

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nordic baltic fusarium seminar norway 23 25 november
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Supporting the development of the national rural economy.

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