Lower mycotoxin levels in Bt maize grain L. Folcher, M. Delos, E. Marengue, M. Jarry, A. Weissenberger, N. Eychenne and C. Regnault-Roger Agron. Sustain. Dev., 30 4 (2010) 711-719 Published online: 16 April 2010 DOI: 10.1051/agro/2010005