Syracuse

Phenolic acids composition of maize kernels modulates in planta fungal growth and Trichothecenes B production by F. graminearum?

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Pons, Sébastien | Pinson-Gadais, Laetitia, L. | Atanassova, Vessela | Boutigny, Anne-Laure | Roucolle, Joël | Carolo, Pierre | Richard-Forget, Florence, Forget

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International audience. Kinetics of fungal spread and Trichothecenes B (TCT B) contamination were achieved using four hybrids of Maize characterized by different levels of resistance. Inoculation was performed using a toxigenic Fusarium graminearum strain 5 days after flowering into the silk channel. In addition, phenolic acids composition was evaluated at the different grain filling stages for the four hybrids. Results are discussed with regards to a potential involvement of phenolic acids in limitation of toxins accumulation and resistance level.

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