Fig. 1

Freezing treatment and physiological index determination of turnip KTRG-B49. a Freezing phenotypes. b Electrolyte leakage (%). Values are the mean of 5–8 biological replicates. Bars indicate SD. Different symbols indicate significant differences between treatments (P < 0.05) according to Tukey’s test. CK, C1, C4, C6, F2, F4, and R12 represent the samples from the untreated control; 4 °C at 1 h, 3 h, and 6 h; − 2 °C at 2 h; − 4 °C 1 h; and recovery for 12 h, respectively. c Survival rates. Asterisks indicate statistically significant differences (*P < 0.05, **P < 0.01, Student’s t test)