Frost stress evolution and winter pea ideotype in the context of climate warming at a regional scale Thierry Castel, Christophe Lecomte, Yves Richard, Isabelle Lejeune-Hénaut and Annabelle Larmure OCL, 24 1 (2017) D106 Published online: 27 February 2017 DOI: 10.1051/ocl/2017002