DNA methylation and histone acetylation: genotypic variations in hybrid poplars, impact of water deficit and relationships with productivityDelphine Gourcilleau, Marie-Béatrice Bogeat-Triboulot, Didier Le Thiec, Clément Lafon-Placette, Alain Delaunay, Walid Abu El-Soud, Franck Brignolas and Stéphane MauryAnn. For. Sci., 67 2 (2010) 208DOI: https://doi.org/10.1051/forest/2009101