title: Reply to Letter to the Editor.
authors.affiliation: Belgian Nuclear Research Center, (SCK•CEN), Biosphere Impact Studies, 2400 Mol, Belgium. Electronic address: jvdwalle@sckcen.be.
authors.forename: Jorden
authors.initials: J
authors.lastname: van de Walle
mesh_terms: D001947:Breeding; D010944:Plants / Q000235:genetics; D013312:Stress, Physiological