A Fumonisin Prevention Tool for Targeting and Ranking Agroclimatic Conditions Favoring Exposure in French Maize-Growing Areas

Roucou, Agathe; Bergez, Christophe; Méléard, Benoît; Orlando, Béatrice

doi:10.3390/toxins13030214

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A Fumonisin Prevention Tool for Targeting and Ranking Agroclimatic Conditions Favoring Exposure in French Maize-Growing Areas

Agathe Roucou

Christophe Bergez

Benoît Méléard

and

Béatrice Orlando

Arvalis—Institut du Végétal, Station Expérimentale, 91720 Boigneville, France

Author to whom correspondence should be addressed.

Toxins 2021, 13(3), 214; https://doi.org/10.3390/toxins13030214

Received: 18 February 2021 / Revised: 5 March 2021 / Accepted: 10 March 2021 / Published: 16 March 2021

(This article belongs to the Special Issue Occurrence and Risk Assessment of Mycotoxins)

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Abstract

The levels of fumonisins (FUMO)—mycotoxins produced by Fusarium verticillioides—in maize for food and feed are subject to European Union regulations. Compliance with the regulations requires the targeting of, among others, the agroclimatic factors influencing fungal contamination and FUMO production. Arvalis-Institut du végétal has created a national, multiyear database for maize, based on field survey data collected since 2003. This database contains information about agricultural practices, climatic conditions and FUMO concentrations at harvest for 738 maize fields distributed throughout French maize-growing regions. A linear mixed model approach highlights the presence of borers and the use of a late variety, high temperatures in July and October, and a water deficit during the maize cycle as creating conditions favoring maize contamination with Fusarium verticillioides. It is thus possible to target a combination of risk factors, consisting of this climatic sequence associated with agricultural practices of interest. The effects of the various possible agroclimatic combinations can be compared, grouped and classified as promoting very low to high FUMO concentrations, possibly exceeding the regulatory threshold. These findings should facilitate the creation of a national, informative and easy-to-use prevention tool for producers and agricultural cooperatives to manage the sanitary quality of their harvest. View Full-Text

Keywords: maize; Fusarium verticillioides; fumonisins; climate; agricultural practices; water deficit; tool management

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Roucou, A.; Bergez, C.; Méléard, B.; Orlando, B. A Fumonisin Prevention Tool for Targeting and Ranking Agroclimatic Conditions Favoring Exposure in French Maize-Growing Areas. Toxins 2021, 13, 214. https://doi.org/10.3390/toxins13030214

AMA Style

Roucou A, Bergez C, Méléard B, Orlando B. A Fumonisin Prevention Tool for Targeting and Ranking Agroclimatic Conditions Favoring Exposure in French Maize-Growing Areas. Toxins. 2021; 13(3):214. https://doi.org/10.3390/toxins13030214

Chicago/Turabian Style

Roucou, Agathe, Christophe Bergez, Benoît Méléard, and Béatrice Orlando. 2021. "A Fumonisin Prevention Tool for Targeting and Ranking Agroclimatic Conditions Favoring Exposure in French Maize-Growing Areas" Toxins 13, no. 3: 214. https://doi.org/10.3390/toxins13030214

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A Fumonisin Prevention Tool for Targeting and Ranking Agroclimatic Conditions Favoring Exposure in French Maize-Growing Areas

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