Swine Cluster 1

Mycotoxins content evaluations of corn hybrids adapted to Québec growth conditions 

Project leaders


  • Gilles Tremblay, CEROM, Saint-Mathieu-de Beloeil, Québec
  • Sylvie Rioux, Centre de recherche sur les grains inc. (CEROM), Québec, Québec


Project objective


The main objective of this research is to determine, under natural disease pressure, whether there are any differences between 

hybrids (Genotype effect, G) in grain content levels of four different mycotoxins (Deoxynivalenol, fumonisin, zearalenone and T-2 toxin) 

in 3 different environments (Environment effect, E). G x E interactions will also be evaluated.



Summary of the project


In collaboration with Réseau grandes cultures du Québec (RGCQ), corn trial managers will collect representative samples of grain corn at harvest and dry the samples before submitting them to the laboratory for analyses. After that, the relationship between mycotoxin contents and physiological maturity of the hybrids will be determined using the method developed by Tremblay et al. (2008).


The effectiveness of a fungicide application on mycotoxin grain content among 24 different hybrids will also be evaluated. This test will be carried out on 2 sites for the next 2 years. This test has been done before, in 2009. Grain samples from the 2009 plots are available and mycotoxin analyses on these grains will be of particular interest because climatic growing conditions in 2009 were highly conducive to the development of the fungi that eventually lead to mycotoxin contamination.


Because the weather in 2009 was conducive to the development of many diseases, it will be interesting to perform analyses on grain corn from that particular RGCQ harvest. The crop will be analyzed for mycotoxin content.



Significant achievements


A total of 1486 samples have been collected and analysis of the four (4) toxins (DON, FUM, ZEN and T-2) was performed for a total of 4058 analyses. Toxin analysis of 24 genotypes was performed for the 384 samples and the statistical analysis performed for 3 of 4 sets (288 samples). RGCQ corn samples collected in 2009 at Princeville site and St-Mathieu-de-Beloeil have been analyzed for the four (4) toxins and statistical analyses performed; no genotype effects were observed. Results of the 2010 experiment showed a significant genotype effect on DON at St-Mathieu-de-Beloeil trial and for DON, ZEN and T-2 at the Princeville trial.

   

Associated documents

Managing Mycotoxins Differently