Sanitary security of foodstuffs
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Sanitary quality of maize (corn) & Mycotoxins

Results of 5 years of studies

Impact of crop management practices

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View description of the study

The so-called "traceability" study, begun in 2001, includes over 400 plots of maize (corn) in real conditions each year. It provides valuable information on the impact of growing practices on the development of field mycotoxins. These results have led to the development of growing plans to limit the risk of the occurrence of Fusarium toxins on maize (corn) grains at the time of harvesting.

 

Effects of boring insects

 

 

 

In the areas where the effects of European corn borer or pink stalk borer are high, a clear increase in fusomins levels (produced by F. Liseola) is observed. This is shown on the graph opposite by a lower percentage of class A lots (with a low level of fumonisins, < 1.5 ppm).

However, the risk of DON and ZON is not increased by this factor.

 

Boring insects are a negative factor for fumonisins. Whatever the date of sowing, the occurrence of European corn borer heightens contamination by fumonisins. However, the later sowing takes place, the greater this phenomenon: maize (corn) plants sown late, which are more tender and palatable, would appear to be more sensitive to these boring insects, and are therefore attacked by them more frequently.

 

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