TABLE 2 Results of two-way ANOVAs for the effects of CBF1–3 deficiency (cbf123 ) and growth conditions as well as the interaction of these effects (cbf123 × GC) on freezing tolerance of discs from fully expanded leaves (LT50; Fig. 8) and immature, whole plants of 6 to 8 leaves (% survival; Fig. 9) and expression of associated genes from mature leaves (Fig. 11) for the IT (i.e., IT and it:cbf123 ) and SW (i.e., SW and sw:cbf123 ) backgrounds.