In the published article, there was an error in Supplementary Figure 6. We used the wrong formula in the determination of polyamine (Put, Spd, Spm) content. The correct material statement appears below.
Supplementary Figure 6.
Determination of PAs contents in XS and GZ under cold stress. (A) Put content. (B) Spd content. (C) Spm content. (D) Chromatogram of mixed standard solution of PAs. (E) The regression equation and correlation coefficient of PAs.
The authors apologize for this error and state that this does not change the scientific conclusions of the article in any way. The original article has been updated.
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