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Fig. 6 | BMC Plant Biology

Fig. 6

From: Repair of sub-lethal freezing damage in leaves of Arabidopsis thaliana

Fig. 6

Proline content in unfrozen Arabidopsis leaves (UFC, 1D-UFC, 3D-UFC, 6D-UFC) and in leaves frozen to different temperatures right after thawing (RAT) or after recovery for 1 day (1D-REC), 3 days (3D-REC) or 6 days (6D-REC) at 4 °C for a non-acclimated plants and b cold acclimated plants. Please note the different scales of the y-axes. Shown is the mean with standard errors for five replicates from one experiment except for the non-acclimated UFC and non-acclimated samples at − 6 °C and − 8 °C with three experiments measured. Significance levels between values measured at UFC/RAT and at the subsequent time points determined by Student’s t-test are indicated as: ***, p < 0.001, **, p < 0.01, *, p < 0.05

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